diff --git a/README.md b/README.md
index b52189e482..cd25935988 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ We provide optimized model servers for some of the most popular Deep Learning an
 You only have to upload your model binaries into your preferred object store, in this case we have a trained scikit-learn iris model in a Google bucket:
 
 ```console
-gs://seldon-models/v1.18.0/sklearn/iris/model.joblib
+gs://seldon-models/v1.19.0-dev/sklearn/iris/model.joblib
 ```
 
 Create a namespace to run your model in:
@@ -91,7 +91,7 @@ spec:
   predictors:
   - graph:
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
     name: default
     replicas: 1
diff --git a/components/alibi-detect-server/Dockerfile b/components/alibi-detect-server/Dockerfile
index f4825dacaa..2dd3889453 100644
--- a/components/alibi-detect-server/Dockerfile
+++ b/components/alibi-detect-server/Dockerfile
@@ -5,7 +5,7 @@ FROM ${BASE_IMAGE}:${VERSION} as base
 ARG VERSION
 LABEL name="Seldon Alibi Detect Server" \
       vendor="Seldon Technologies" \
-      version="1.18.0" \
+      version="1.19.0-dev" \
       release="1" \
       summary="Alibi Detect Server for Seldon Core" \
       description="The Alibi Detect Server provides outlier, drift and adversarial detection services for Seldon Core"
diff --git a/components/alibi-explain-server/Dockerfile b/components/alibi-explain-server/Dockerfile
index 282396babb..724567fe7c 100644
--- a/components/alibi-explain-server/Dockerfile
+++ b/components/alibi-explain-server/Dockerfile
@@ -5,7 +5,7 @@ FROM ${BASE_IMAGE}:${VERSION} as base
 ARG VERSION
 LABEL name="Seldon Alibi Wrapper" \
       vendor="Seldon Technologies" \
-      version="1.18.0" \
+      version="1.19.0-dev" \
       release="1" \
       summary="Alibi Explainer Wrapper for Seldon Core" \
       description="Allows Seldon Core inference models to run with a black box model explanation model from the Alibi:Explain project"
diff --git a/doc/source/graph/protocols.md b/doc/source/graph/protocols.md
index 3d947f0f78..4e1b292684 100644
--- a/doc/source/graph/protocols.md
+++ b/doc/source/graph/protocols.md
@@ -66,7 +66,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
       parameters:
         - name: method
diff --git a/doc/source/python/python_wrapping_s2i.md b/doc/source/python/python_wrapping_s2i.md
index 37ec398dc3..19f3b08a47 100644
--- a/doc/source/python/python_wrapping_s2i.md
+++ b/doc/source/python/python_wrapping_s2i.md
@@ -16,7 +16,7 @@ In this guide, we illustrate the steps needed to wrap your own python model in a
 To check everything is working you can run
 
 ```bash
-s2i usage seldonio/seldon-core-s2i-python3:1.18.0
+s2i usage seldonio/seldon-core-s2i-python3:1.19.0-dev
 ```
 
 
@@ -100,13 +100,13 @@ Use `s2i build` to create your Docker image from source code. You will need Dock
 Using s2i you can build directly from a git repo or from a local source folder. See the [s2i docs](https://github.com/openshift/source-to-image/blob/master/docs/cli.md#s2i-build) for further details. The general format is:
 
 ```bash
-s2i build <src-folder> seldonio/seldon-core-s2i-python3:1.18.0 <my-image-name>
+s2i build <src-folder> seldonio/seldon-core-s2i-python3:1.19.0-dev <my-image-name>
 ```
 
 An example invocation using the test template model inside seldon-core:
 
 ```bash
-s2i build https://github.com/seldonio/seldon-core.git --context-dir=wrappers/s2i/python/test/model-template-app seldonio/seldon-core-s2i-python3:1.18.0 seldon-core-template-model
+s2i build https://github.com/seldonio/seldon-core.git --context-dir=wrappers/s2i/python/test/model-template-app seldonio/seldon-core-s2i-python3:1.19.0-dev seldon-core-template-model
 ```
 
 The above s2i build invocation:
@@ -121,13 +121,13 @@ For building from a local source folder, an example where we clone the seldon-co
 ```bash
 git clone https://github.com/seldonio/seldon-core.git
 cd seldon-core
-s2i build wrappers/s2i/python/test/model-template-app seldonio/seldon-core-s2i-python3:1.18.0 seldon-core-template-model
+s2i build wrappers/s2i/python/test/model-template-app seldonio/seldon-core-s2i-python3:1.19.0-dev seldon-core-template-model
 ```
 
 For more help see:
 
 ```bash
-s2i usage seldonio/seldon-core-s2i-python3:1.18.0
+s2i usage seldonio/seldon-core-s2i-python3:1.19.0-dev
 s2i build --help
 ```
 
@@ -172,7 +172,7 @@ s2i build \
    -e EXTRA_INDEX_URL=https://<pypi-user>:<pypi-auth>@mypypi.example.com/simple \
    -e PIP_TRUSTED_HOST=mypypi.example.com \
    <src-folder> \
-   seldonio/seldon-core-s2i-python3:1.18.0 \
+   seldonio/seldon-core-s2i-python3:1.19.0-dev \
    <my-image-name>
 ```
 
@@ -265,7 +265,7 @@ The allowable `type` values for the parameters are defined in the [proto buffer
 To use a private repository for installing Python dependencies use the following build command:
 
 ```bash
-s2i build -i <python-wheel-folder>:/whl <src-folder> seldonio/seldon-core-s2i-python3:1.18.0 <my-image-name>
+s2i build -i <python-wheel-folder>:/whl <src-folder> seldonio/seldon-core-s2i-python3:1.19.0-dev <my-image-name>
 ```
 
 This command will look for local Python wheels in the `<python-wheel-folder>` and use these before searching PyPI.
diff --git a/doc/source/reference/upgrading.md b/doc/source/reference/upgrading.md
index 623fe750bd..9605de590f 100644
--- a/doc/source/reference/upgrading.md
+++ b/doc/source/reference/upgrading.md
@@ -54,7 +54,7 @@ The label on services pointing to containers for each node in your inference gra
 ### OpenShift default storage initializer
 
 In this patch release we fixed the default storage initializer used on OpenShift (both Community and Certified operators).
-The image used now is `seldonio/rclone-storage-initializer:1.18.0` which is the same as one used for the non-OpenShift releases (*).
+The image used now is `seldonio/rclone-storage-initializer:1.19.0-dev` which is the same as one used for the non-OpenShift releases (*).
 
 For Certified operator you will find this image defined as
 ```yaml
@@ -175,7 +175,7 @@ In Seldon Core 1.8 the rclone-based [storage initializer](https://github.com/Sel
 The storage initailizer image that is being used is controlled by the helm value:
 ```yaml
 storageInitializer:
-  image: seldonio/rclone-storage-initializer:1.18.0
+  image: seldonio/rclone-storage-initializer:1.19.0-dev
 ```
 and can be customised on per-deployment basis as described in [Prepackaged Model Servers](../servers/overview.md) documentation by setting value of `storageInitializerImage` variable in the graph definition.
 
diff --git a/doc/source/rollouts/abtests.md b/doc/source/rollouts/abtests.md
index d676e7712c..d1b3352313 100644
--- a/doc/source/rollouts/abtests.md
+++ b/doc/source/rollouts/abtests.md
@@ -46,7 +46,7 @@ spec:
     traffic: 100
     graph:
       name: classifier
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       implementation: SKLEARN_SERVER
   - name: candidate
     traffic: 0
@@ -360,7 +360,7 @@ spec:
   - name: default
     graph:
       name: classifier
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       implementation: SKLEARN_SERVER
 ```
 
diff --git a/doc/source/servers/overview.md b/doc/source/servers/overview.md
index 444a194cd9..b4a30c9237 100644
--- a/doc/source/servers/overview.md
+++ b/doc/source/servers/overview.md
@@ -23,7 +23,7 @@ spec:
       graph:
         name: classifier
         implementation: SKLEARN_SERVER
-        modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+        modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
 ```
 
 By default only public models published to Google Cloud Storage will be accessible.
@@ -37,7 +37,7 @@ Seldon Core uses [Init Containers](https://kubernetes.io/docs/concepts/workloads
 
 ```yaml
 storageInitializer:
-  image: seldonio/rclone-storage-initializer:1.18.0
+  image: seldonio/rclone-storage-initializer:1.19.0-dev
 ```
 in our default [helm values](../charts/seldon-core-operator.html#values).
 See the [Dockerfile](https://github.com/SeldonIO/seldon-core/blob/master/components/rclone-storage-initializer/Dockerfile
@@ -79,7 +79,7 @@ spec:
 
         initContainers:
         - name: classifier-model-initializer
-          image: seldonio/rclone-storage-initializer:1.18.0
+          image: seldonio/rclone-storage-initializer:1.19.0-dev
           imagePullPolicy: IfNotPresent
           args:
             - "s3://sklearn/iris"
@@ -130,7 +130,7 @@ spec:
       name: classifier
       implementation: SKLEARN_SERVER
       modelUri: s3://sklearn/iris
-      storageInitializerImage: seldonio/rclone-storage-initializer:1.18.0  # Specify custom image here
+      storageInitializerImage: seldonio/rclone-storage-initializer:1.19.0-dev  # Specify custom image here
       envSecretRefName: seldon-init-container-secret                          # Specify custom secret here
 ```
 Note that image and secret used by Storage Initializer can be customised per-deployment.
@@ -160,7 +160,7 @@ spec:
     graph:
       name: classifier
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
 ```
 
 The image name and other details will be added when this is deployed automatically.
diff --git a/doc/source/servers/sklearn.md b/doc/source/servers/sklearn.md
index 652aa0f148..a32e094b10 100644
--- a/doc/source/servers/sklearn.md
+++ b/doc/source/servers/sklearn.md
@@ -40,7 +40,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
     name: default
     replicas: 1
@@ -68,7 +68,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
       parameters:
         - name: method
@@ -104,7 +104,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
       parameters:
         - name: method
@@ -152,7 +152,7 @@ spec:
     graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
     name: default
     replicas: 1
diff --git a/doc/source/workflow/overview.md b/doc/source/workflow/overview.md
index 96a4192220..da37f69cb7 100644
--- a/doc/source/workflow/overview.md
+++ b/doc/source/workflow/overview.md
@@ -111,7 +111,7 @@ To complete containerisation process you need two more components:
 
 Once these are in place you can use a simple s2i command
 ```bash
-s2i build . seldonio/seldon-core-s2i-python3:1.18.0 model:0.1
+s2i build . seldonio/seldon-core-s2i-python3:1.19.0-dev model:0.1
 ```
 to create ready to use Docker image.
 
diff --git a/doc/source/workflow/quickstart.md b/doc/source/workflow/quickstart.md
index 9e58de2b2d..d5024a9f2b 100644
--- a/doc/source/workflow/quickstart.md
+++ b/doc/source/workflow/quickstart.md
@@ -82,9 +82,9 @@ You can upload your models into any of the object stores supported by our pre-pa
 For simplicity we have already uploaded it to the bucket so you can just proceed to the next step and run your model on Seldon Core.
 
 ```console
-$ gsutil cp model.joblib gs://seldon-models/v1.18.0/sklearn/iris/model.joblib
+$ gsutil cp model.joblib gs://seldon-models/v1.19.0-dev/sklearn/iris/model.joblib
 
-[ Saved into gs://seldon-models/v1.18.0/sklearn/iris/model.joblib ]
+[ Saved into gs://seldon-models/v1.19.0-dev/sklearn/iris/model.joblib ]
 ```
 
 **3. Deploy to Seldon Core in Kubernetes**
@@ -103,7 +103,7 @@ spec:
   predictors:
   - graph:
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
     name: default
     replicas: 1
@@ -217,7 +217,7 @@ Now we can use the Seldon Core utilities to convert our python class into a full
 The result below is a container with the name `sklearn_iris` and the tag `0.1` which we will be able to deploy using Seldon Core.
 
 ```console
-s2i build . seldonio/seldon-core-s2i-python3:1.18.0 sklearn_iris:0.1
+s2i build . seldonio/seldon-core-s2i-python3:1.19.0-dev sklearn_iris:0.1
 ```
 
 **5. Deploy to Kubernetes**
diff --git a/doc/source/wrappers/s2i.md b/doc/source/wrappers/s2i.md
index da53da6701..f18b6ed71f 100644
--- a/doc/source/wrappers/s2i.md
+++ b/doc/source/wrappers/s2i.md
@@ -16,7 +16,7 @@ The general work flow is:
 
     ```bash
     s2i build https://github.com/seldonio/seldon-core.git \
-        --context-dir=wrappers/s2i/python/test/model-template-app seldonio/seldon-core-s2i-python3:1.18.0 \
+        --context-dir=wrappers/s2i/python/test/model-template-app seldonio/seldon-core-s2i-python3:1.19.0-dev \
         seldon-core-template-model
     ```
 
diff --git a/examples/batch/argo-workflows-batch/helm-charts/seldon-batch-workflow/values.yaml b/examples/batch/argo-workflows-batch/helm-charts/seldon-batch-workflow/values.yaml
index be0a6814f9..33a834054d 100644
--- a/examples/batch/argo-workflows-batch/helm-charts/seldon-batch-workflow/values.yaml
+++ b/examples/batch/argo-workflows-batch/helm-charts/seldon-batch-workflow/values.yaml
@@ -19,7 +19,7 @@ seldonDeployment:
   # Prepackaged model server to use [see https://docs.seldon.io/projects/seldon-core/en/latest/servers/overview.html]
   server: SKLEARN_SERVER
   # The URL for the model that is to be used
-  modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+  modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
   # The number of seldon deployment replicas to launch
   replicas: 2
   # Waiting time before checks for deployment to ensure kubernetes cluster registers create
diff --git a/examples/batch/hdfs-argo-workflows/deployment.yaml b/examples/batch/hdfs-argo-workflows/deployment.yaml
index db427a7b32..1de35b7bef 100644
--- a/examples/batch/hdfs-argo-workflows/deployment.yaml
+++ b/examples/batch/hdfs-argo-workflows/deployment.yaml
@@ -9,7 +9,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
       logger:
         mode: all
diff --git a/examples/batch/hdfs-argo-workflows/hdfs-batch.ipynb b/examples/batch/hdfs-argo-workflows/hdfs-batch.ipynb
index a9971e8984..36b30eb4f3 100644
--- a/examples/batch/hdfs-argo-workflows/hdfs-batch.ipynb
+++ b/examples/batch/hdfs-argo-workflows/hdfs-batch.ipynb
@@ -237,7 +237,7 @@
     "  - graph:\n",
     "      children: []\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "      name: classifier\n",
     "      logger:\n",
     "        mode: all\n",
@@ -536,7 +536,7 @@
     "\n",
     "  - name: process-batch-inputs\n",
     "    container:\n",
-    "      image: seldonio/seldon-core-s2i-python37:1.18.0\n",
+    "      image: seldonio/seldon-core-s2i-python37:1.19.0-dev\n",
     "\n",
     "      volumeMounts:\n",
     "      - mountPath: /assets\n",
diff --git a/examples/batch/kubeflow-pipelines-batch/README.ipynb b/examples/batch/kubeflow-pipelines-batch/README.ipynb
index cdcab804e9..c3d1c82081 100644
--- a/examples/batch/kubeflow-pipelines-batch/README.ipynb
+++ b/examples/batch/kubeflow-pipelines-batch/README.ipynb
@@ -222,7 +222,7 @@
     "def nlp_pipeline(\n",
     "        namespace=\"kubeflow\",\n",
     "        seldon_server=\"SKLEARN_SERVER\",\n",
-    "        model_path=\"gs://seldon-models/v1.18.0/sklearn/iris\",\n",
+    "        model_path=\"gs://seldon-models/v1.19.0-dev/sklearn/iris\",\n",
     "        gateway_endpoint=\"istio-ingressgateway.istio-system.svc.cluster.local\",\n",
     "        retries=3,\n",
     "        replicas=10,\n",
@@ -284,7 +284,7 @@
     "\n",
     "    batch_process_step = dsl.ContainerOp(\n",
     "        name='data_downloader',\n",
-    "        image='seldonio/seldon-core-s2i-python37:1.18.0        command=\"seldon-batch-processor\",\n",
+    "        image='seldonio/seldon-core-s2i-python37:1.19.0-dev        command=\"seldon-batch-processor\",\n",
     "        arguments=[\n",
     "            \"--deployment-name\", \"{{workflow.name}}\",\n",
     "            \"--namespace\", namespace,\n",
diff --git a/examples/batch/kubeflow-pipelines-batch/README.md b/examples/batch/kubeflow-pipelines-batch/README.md
index d2877e0119..108737d1ff 100644
--- a/examples/batch/kubeflow-pipelines-batch/README.md
+++ b/examples/batch/kubeflow-pipelines-batch/README.md
@@ -126,7 +126,7 @@ from kubernetes import client as k8s
 def nlp_pipeline(
         namespace="kubeflow",
         seldon_server="SKLEARN_SERVER",
-        model_path="gs://seldon-models/v1.18.0/sklearn/iris",
+        model_path="gs://seldon-models/v1.19.0-dev/sklearn/iris",
         gateway_endpoint="istio-ingressgateway.istio-system.svc.cluster.local",
         retries=3,
         replicas=10,
diff --git a/examples/batch/kubeflow-pipelines-batch/assets/seldon-batch-pipeline.py b/examples/batch/kubeflow-pipelines-batch/assets/seldon-batch-pipeline.py
index b884dc98e5..3c1e3a5f39 100644
--- a/examples/batch/kubeflow-pipelines-batch/assets/seldon-batch-pipeline.py
+++ b/examples/batch/kubeflow-pipelines-batch/assets/seldon-batch-pipeline.py
@@ -9,7 +9,7 @@
 def nlp_pipeline(
     namespace="kubeflow",
     seldon_server="SKLEARN_SERVER",
-    model_path="gs://seldon-models/v1.18.0/sklearn/iris",
+    model_path="gs://seldon-models/v1.19.0-dev/sklearn/iris",
     gateway_endpoint="istio-ingressgateway.istio-system.svc.cluster.local",
     retries=3,
     replicas=10,
diff --git a/examples/cicd/sig-mlops-jenkins-classic/models/image_classifier/seldon_custom_server_README.ipynb b/examples/cicd/sig-mlops-jenkins-classic/models/image_classifier/seldon_custom_server_README.ipynb
index fd07563fc9..c31a69b061 100644
--- a/examples/cicd/sig-mlops-jenkins-classic/models/image_classifier/seldon_custom_server_README.ipynb
+++ b/examples/cicd/sig-mlops-jenkins-classic/models/image_classifier/seldon_custom_server_README.ipynb
@@ -494,7 +494,7 @@
    ],
    "source": [
     "%%bash\n",
-    "SELDON_BASE_WRAPPER=\"seldonio/seldon-core-s2i-python37:1.18.0
+    "SELDON_BASE_WRAPPER=\"seldonio/seldon-core-s2i-python37:1.19.0-dev
     "s2i build src/. $SELDON_BASE_WRAPPER sklearn-server:0.1 \\\n",
     "    --environment-file src/seldon_model.conf"
    ]
diff --git a/examples/cicd/sig-mlops-jenkins-classic/models/news_classifier/seldon_custom_server_README.ipynb b/examples/cicd/sig-mlops-jenkins-classic/models/news_classifier/seldon_custom_server_README.ipynb
index fd07563fc9..c31a69b061 100644
--- a/examples/cicd/sig-mlops-jenkins-classic/models/news_classifier/seldon_custom_server_README.ipynb
+++ b/examples/cicd/sig-mlops-jenkins-classic/models/news_classifier/seldon_custom_server_README.ipynb
@@ -494,7 +494,7 @@
    ],
    "source": [
     "%%bash\n",
-    "SELDON_BASE_WRAPPER=\"seldonio/seldon-core-s2i-python37:1.18.0
+    "SELDON_BASE_WRAPPER=\"seldonio/seldon-core-s2i-python37:1.19.0-dev
     "s2i build src/. $SELDON_BASE_WRAPPER sklearn-server:0.1 \\\n",
     "    --environment-file src/seldon_model.conf"
    ]
diff --git a/examples/cicd/sig-mlops-jenkins-classic/servers/torchserver/Makefile b/examples/cicd/sig-mlops-jenkins-classic/servers/torchserver/Makefile
index 4e9a51f689..d64e0e6db5 100644
--- a/examples/cicd/sig-mlops-jenkins-classic/servers/torchserver/Makefile
+++ b/examples/cicd/sig-mlops-jenkins-classic/servers/torchserver/Makefile
@@ -3,13 +3,13 @@ FOLDER=torchserver
 IMAGE_BASE=seldonio/${FOLDER}
 
 build_rest:
-	s2i build -E environment_rest ./${FOLDER} seldonio/seldon-core-s2i-python37:1.18.0 ${IMAGE_BASE}_rest:${VERSION}
+	s2i build -E environment_rest ./${FOLDER} seldonio/seldon-core-s2i-python37:1.19.0-dev ${IMAGE_BASE}_rest:${VERSION}
 
 push_rest:
 	docker push ${IMAGE_BASE}_rest:${VERSION}
 
 build_grpc:
-	s2i build -E environment_grpc ./${FOLDER} seldonio/seldon-core-s2i-python37:1.18.0 ${IMAGE_BASE}_grpc:${VERSION}
+	s2i build -E environment_grpc ./${FOLDER} seldonio/seldon-core-s2i-python37:1.19.0-dev ${IMAGE_BASE}_grpc:${VERSION}
 
 push_grpc:
 	docker push ${IMAGE_BASE}_grpc:${VERSION}
diff --git a/examples/cicd/sig-mlops-jenkins-classic/servers/torchserver/test/sklearn_iris.ipynb b/examples/cicd/sig-mlops-jenkins-classic/servers/torchserver/test/sklearn_iris.ipynb
index d3c7ddfe85..d6a3286213 100644
--- a/examples/cicd/sig-mlops-jenkins-classic/servers/torchserver/test/sklearn_iris.ipynb
+++ b/examples/cicd/sig-mlops-jenkins-classic/servers/torchserver/test/sklearn_iris.ipynb
@@ -89,7 +89,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "s2i build -E environment_rest ./sklearnserver seldonio/seldon-core-s2i-python37:1.18.0 seldonio/sklearnserver_rest:0.1\n",
+      "s2i build -E environment_rest ./sklearnserver seldonio/seldon-core-s2i-python37:1.19.0-dev seldonio/sklearnserver_rest:0.1\n",
       "---> Installing application source...\n",
       "---> Installing dependencies ...\n",
       "Looking in links: /whl\n",
@@ -284,7 +284,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "s2i build -E environment_grpc ./sklearnserver seldonio/seldon-core-s2i-python37:1.18.0 seldonio/sklearnserver_grpc:0.1\n",
+      "s2i build -E environment_grpc ./sklearnserver seldonio/seldon-core-s2i-python37:1.19.0-dev seldonio/sklearnserver_grpc:0.1\n",
       "---> Installing application source...\n",
       "---> Installing dependencies ...\n",
       "Looking in links: /whl\n",
diff --git a/examples/cicd/sig-mlops-seldon-jenkins-x/seldon_custom_server_README.ipynb b/examples/cicd/sig-mlops-seldon-jenkins-x/seldon_custom_server_README.ipynb
index 99500c8755..ddfc80ecc6 100644
--- a/examples/cicd/sig-mlops-seldon-jenkins-x/seldon_custom_server_README.ipynb
+++ b/examples/cicd/sig-mlops-seldon-jenkins-x/seldon_custom_server_README.ipynb
@@ -494,7 +494,7 @@
    ],
    "source": [
     "%%bash\n",
-    "SELDON_BASE_WRAPPER=\"seldonio/seldon-core-s2i-python37:1.18.0
+    "SELDON_BASE_WRAPPER=\"seldonio/seldon-core-s2i-python37:1.19.0-dev
     "s2i build src/. $SELDON_BASE_WRAPPER sklearn-server:0.1 \\\n",
     "    --environment-file src/seldon_model.conf"
    ]
diff --git a/examples/explainers/imagenet/resources/transformer/Makefile b/examples/explainers/imagenet/resources/transformer/Makefile
index 0095456c46..19f6534e2f 100644
--- a/examples/explainers/imagenet/resources/transformer/Makefile
+++ b/examples/explainers/imagenet/resources/transformer/Makefile
@@ -2,7 +2,7 @@ IMAGE_VERSION=0.3
 IMAGE_NAME=docker.io/seldonio/imagenet-transformer
 
 build:
-	s2i build -E environment . seldonio/seldon-core-s2i-python37:1.18.0 $(IMAGE_NAME):$(IMAGE_VERSION)
+	s2i build -E environment . seldonio/seldon-core-s2i-python37:1.19.0-dev $(IMAGE_NAME):$(IMAGE_VERSION)
 
 push_to_dockerhub:
 	docker push $(IMAGE_NAME):$(IMAGE_VERSION)
diff --git a/examples/feedback/feedback-metrics-server/README.ipynb b/examples/feedback/feedback-metrics-server/README.ipynb
index 17b4655455..d8ff2913f0 100644
--- a/examples/feedback/feedback-metrics-server/README.ipynb
+++ b/examples/feedback/feedback-metrics-server/README.ipynb
@@ -290,7 +290,7 @@
     "  - graph:\n",
     "      children: []\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "      name: classifier\n",
     "      logger:\n",
     "        url: http://broker-ingress.knative-eventing.svc.cluster.local/seldon-logs/default\n",
diff --git a/examples/feedback/feedback-metrics-server/README.md b/examples/feedback/feedback-metrics-server/README.md
index fb4cc34f13..2d865001fc 100644
--- a/examples/feedback/feedback-metrics-server/README.md
+++ b/examples/feedback/feedback-metrics-server/README.md
@@ -173,7 +173,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
       logger:
         url: http://broker-ingress.knative-eventing.svc.cluster.local/seldon-logs/default
diff --git a/examples/feedback/metrics-server/README.ipynb b/examples/feedback/metrics-server/README.ipynb
index f0e775f169..f7e7f21322 100644
--- a/examples/feedback/metrics-server/README.ipynb
+++ b/examples/feedback/metrics-server/README.ipynb
@@ -111,7 +111,7 @@
     "  - graph:\n",
     "      children: []\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "      name: classifier\n",
     "      logger:\n",
     "        url: http://seldon-multiclass-model-metrics.seldon.svc.cluster.local:80/\n",
@@ -212,7 +212,7 @@
     "          runAsUser: 8888\n",
     "      containers:\n",
     "      - name: user-container\n",
-    "        image: seldonio/alibi-detect-server:1.18.0\n",
+    "        image: seldonio/alibi-detect-server:1.19.0-dev\n",
     "        imagePullPolicy: IfNotPresent\n",
     "        args:\n",
     "        - --model_name\n",
@@ -236,7 +236,7 @@
     "        - name: \"PREDICTIVE_UNIT_ID\"\n",
     "          value: \"classifier\"\n",
     "        - name: \"PREDICTIVE_UNIT_IMAGE\"\n",
-    "          value: \"seldonio/alibi-detect-server:1.18.0\"\n",
+    "          value: \"seldonio/alibi-detect-server:1.19.0-dev\"\n",
     "        - name: \"PREDICTOR_ID\"\n",
     "          value: \"default\"\n",
     "---\n",
diff --git a/examples/feedback/metrics-server/README.md b/examples/feedback/metrics-server/README.md
index c81e84da47..74c623f0cc 100644
--- a/examples/feedback/metrics-server/README.md
+++ b/examples/feedback/metrics-server/README.md
@@ -65,7 +65,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
       logger:
         url: http://seldon-multiclass-model-metrics.seldon.svc.cluster.local:80/
diff --git a/examples/feedback/reward-accuracy/README.ipynb b/examples/feedback/reward-accuracy/README.ipynb
index 154ab2ff44..6037011e23 100644
--- a/examples/feedback/reward-accuracy/README.ipynb
+++ b/examples/feedback/reward-accuracy/README.ipynb
@@ -264,7 +264,7 @@
     }
    ],
    "source": [
-    "!s2i build . seldonio/seldon-core-s2i-python37:1.18.0 metrics_model:0.1 \\\n",
+    "!s2i build . seldonio/seldon-core-s2i-python37:1.19.0-dev metrics_model:0.1 \\\n",
     "        --env MODEL_NAME=\"MetricsModel\" --env API_TYPE=REST --env SERVICE_TYPE=MODEL --env PERSISTENCE=0"
    ]
   },
diff --git a/examples/init_containers/custom_init_container.ipynb b/examples/init_containers/custom_init_container.ipynb
index 3eb6f1fc76..c5a35d2eb8 100644
--- a/examples/init_containers/custom_init_container.ipynb
+++ b/examples/init_containers/custom_init_container.ipynb
@@ -101,7 +101,7 @@
     "  predictors:\n",
     "  - graph:\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "      envSecretRefName: seldon-init-container-secret      \n",
     "      name: classifier\n",
     "    name: default\n",
@@ -142,7 +142,7 @@
     "          image: kfserving/storage-initializer:v0.6.1\n",
     "          imagePullPolicy: IfNotPresent\n",
     "          args:\n",
-    "          - gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "          - gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "          - /mnt/models\n",
     "\n",
     "          envFrom:\n",
@@ -163,7 +163,7 @@
     "    graph:\n",
     "      children: []\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "      name: classifier\n",
     "    name: default\n",
     "    replicas: 1\n",
diff --git a/examples/iter8/progressive_rollout/separate_sdeps/abtest.ipynb b/examples/iter8/progressive_rollout/separate_sdeps/abtest.ipynb
index 490ce4ff55..f173edd2db 100644
--- a/examples/iter8/progressive_rollout/separate_sdeps/abtest.ipynb
+++ b/examples/iter8/progressive_rollout/separate_sdeps/abtest.ipynb
@@ -66,7 +66,7 @@
       "  - name: default\r\n",
       "    graph:\r\n",
       "      name: classifier\r\n",
-      "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+      "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
       "      implementation: SKLEARN_SERVER\r\n"
      ]
     }
diff --git a/examples/iter8/progressive_rollout/separate_sdeps/baseline.yaml b/examples/iter8/progressive_rollout/separate_sdeps/baseline.yaml
index fad1d1372e..f30d3b73ad 100644
--- a/examples/iter8/progressive_rollout/separate_sdeps/baseline.yaml
+++ b/examples/iter8/progressive_rollout/separate_sdeps/baseline.yaml
@@ -13,5 +13,5 @@ spec:
   - name: default
     graph:
       name: classifier
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       implementation: SKLEARN_SERVER
diff --git a/examples/iter8/progressive_rollout/single_sdep/abtest.ipynb b/examples/iter8/progressive_rollout/single_sdep/abtest.ipynb
index db74c3ee2f..bd2049900e 100644
--- a/examples/iter8/progressive_rollout/single_sdep/abtest.ipynb
+++ b/examples/iter8/progressive_rollout/single_sdep/abtest.ipynb
@@ -68,7 +68,7 @@
       "    traffic: 100    \r\n",
       "    graph:\r\n",
       "      name: classifier\r\n",
-      "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+      "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
       "      implementation: SKLEARN_SERVER\r\n",
       "  - name: candidate\r\n",
       "    traffic: 0\r\n",
diff --git a/examples/iter8/progressive_rollout/single_sdep/abtest.yaml b/examples/iter8/progressive_rollout/single_sdep/abtest.yaml
index b3bacd0280..2e6c261783 100644
--- a/examples/iter8/progressive_rollout/single_sdep/abtest.yaml
+++ b/examples/iter8/progressive_rollout/single_sdep/abtest.yaml
@@ -14,7 +14,7 @@ spec:
     traffic: 100    
     graph:
       name: classifier
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       implementation: SKLEARN_SERVER
   - name: candidate
     traffic: 0
diff --git a/examples/iter8/progressive_rollout/single_sdep/promote-v1.yaml b/examples/iter8/progressive_rollout/single_sdep/promote-v1.yaml
index 03fa62898d..31ff3f2b6a 100644
--- a/examples/iter8/progressive_rollout/single_sdep/promote-v1.yaml
+++ b/examples/iter8/progressive_rollout/single_sdep/promote-v1.yaml
@@ -8,5 +8,5 @@ spec:
   - name: default
     graph:
       name: classifier
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       implementation: SKLEARN_SERVER
diff --git a/examples/kubeflow/kubeflow_seldon_e2e_pipeline.ipynb b/examples/kubeflow/kubeflow_seldon_e2e_pipeline.ipynb
index 76121eaa27..ac47ab04ab 100644
--- a/examples/kubeflow/kubeflow_seldon_e2e_pipeline.ipynb
+++ b/examples/kubeflow/kubeflow_seldon_e2e_pipeline.ipynb
@@ -305,7 +305,7 @@
      "text": [
       "#!/bin/bash\n",
       "\n",
-      "s2i build . seldonio/seldon-core-s2i-python3:1.18.0 clean_text_transformer:0.1\n",
+      "s2i build . seldonio/seldon-core-s2i-python3:1.19.0-dev clean_text_transformer:0.1\n",
       "\n"
      ]
     }
@@ -476,7 +476,7 @@
       "ERROR: No matching distribution found for en-core-web-sm==2.3.1 (from -r requirements.txt (line 5))\n",
       "WARNING: Url '/whl' is ignored. It is either a non-existing path or lacks a specific scheme.\n",
       "Build failed\n",
-      "ERROR: An error occurred: non-zero (13) exit code from seldonio/seldon-core-s2i-python37:1.18.0\n",
+      "ERROR: An error occurred: non-zero (13) exit code from seldonio/seldon-core-s2i-python37:1.19.0-dev\n",
       "---> Installing application source...\n",
       "---> Installing dependencies ...\n",
       "Looking in links: /whl\n",
diff --git a/examples/models/alibaba_ack_deep_mnist/alibaba_cloud_ack_deep_mnist.ipynb b/examples/models/alibaba_ack_deep_mnist/alibaba_cloud_ack_deep_mnist.ipynb
index 30182922cb..1338acfbd2 100644
--- a/examples/models/alibaba_ack_deep_mnist/alibaba_cloud_ack_deep_mnist.ipynb
+++ b/examples/models/alibaba_ack_deep_mnist/alibaba_cloud_ack_deep_mnist.ipynb
@@ -288,7 +288,7 @@
     }
    ],
    "source": [
-    "!s2i build . seldonio/seldon-core-s2i-python37:1.18.0 deep-mnist:0.1"
+    "!s2i build . seldonio/seldon-core-s2i-python37:1.19.0-dev deep-mnist:0.1"
    ]
   },
   {
diff --git a/examples/models/aws_eks_deep_mnist/aws_eks_deep_mnist.ipynb b/examples/models/aws_eks_deep_mnist/aws_eks_deep_mnist.ipynb
index 4d9982f3a0..faa254d9bf 100644
--- a/examples/models/aws_eks_deep_mnist/aws_eks_deep_mnist.ipynb
+++ b/examples/models/aws_eks_deep_mnist/aws_eks_deep_mnist.ipynb
@@ -185,7 +185,7 @@
     }
    ],
    "source": [
-    "!s2i build . seldonio/seldon-core-s2i-python37:1.18.0 deep-mnist:0.1"
+    "!s2i build . seldonio/seldon-core-s2i-python37:1.19.0-dev deep-mnist:0.1"
    ]
   },
   {
diff --git a/examples/models/azure_aks_deep_mnist/azure_aks_deep_mnist.ipynb b/examples/models/azure_aks_deep_mnist/azure_aks_deep_mnist.ipynb
index 554988e8dc..c62cf83516 100644
--- a/examples/models/azure_aks_deep_mnist/azure_aks_deep_mnist.ipynb
+++ b/examples/models/azure_aks_deep_mnist/azure_aks_deep_mnist.ipynb
@@ -218,7 +218,7 @@
     }
    ],
    "source": [
-    "!s2i build . seldonio/seldon-core-s2i-python37:1.18.0 deep-mnist:0.1"
+    "!s2i build . seldonio/seldon-core-s2i-python37:1.19.0-dev deep-mnist:0.1"
    ]
   },
   {
diff --git a/examples/models/mean_classifier/image_metadata.json b/examples/models/mean_classifier/image_metadata.json
index 05bbd24a37..9890599139 100644
--- a/examples/models/mean_classifier/image_metadata.json
+++ b/examples/models/mean_classifier/image_metadata.json
@@ -1 +1 @@
-{"labels": [{"name": "Seldon Mock Model"}, {"vendor": "Seldon Technologies"}, {"version": "1.18.0"}, {"release": "1"}, {"summary": "A mock model for testing Seldon Core"}, {"description": "A mock REST model for testing Seldon Core"}]}
\ No newline at end of file
+{"labels": [{"name": "Seldon Mock Model"}, {"vendor": "Seldon Technologies"}, {"version": "1.19.0-dev"}, {"release": "1"}, {"summary": "A mock model for testing Seldon Core"}, {"description": "A mock REST model for testing Seldon Core"}]}
\ No newline at end of file
diff --git a/examples/models/metrics/metrics.ipynb b/examples/models/metrics/metrics.ipynb
index 68ea9c4367..cac640ddd5 100644
--- a/examples/models/metrics/metrics.ipynb
+++ b/examples/models/metrics/metrics.ipynb
@@ -275,7 +275,7 @@
     "    componentSpecs:\n",
     "    - spec:\n",
     "        containers:\n",
-    "        - image: seldonio/echo-model:1.18.0\n",
+    "        - image: seldonio/echo-model:1.19.0-dev\n",
     "          name: classifier"
    ]
   },
diff --git a/examples/models/resnet/Makefile b/examples/models/resnet/Makefile
index bcf79cd28c..311a2a9989 100644
--- a/examples/models/resnet/Makefile
+++ b/examples/models/resnet/Makefile
@@ -1,7 +1,7 @@
 
 
 build_image:
-	s2i build -E environment_grpc . seldonio/seldon-core-s2i-python37:1.18.0 seldon-resnet2.4
+	s2i build -E environment_grpc . seldonio/seldon-core-s2i-python37:1.19.0-dev seldon-resnet2.4
 
 
 clean:
diff --git a/examples/models/resnet/reset.ipynb b/examples/models/resnet/reset.ipynb
index 88d3983e82..43ffb0f9c7 100644
--- a/examples/models/resnet/reset.ipynb
+++ b/examples/models/resnet/reset.ipynb
@@ -110,7 +110,7 @@
     }
    ],
    "source": [
-    "!s2i build -E environment_grpc . seldonio/seldon-core-s2i-python37:1.18.0 seldon-resnet2.4"
+    "!s2i build -E environment_grpc . seldonio/seldon-core-s2i-python37:1.19.0-dev seldon-resnet2.4"
    ]
   },
   {
diff --git a/examples/security/ssl_requests/README.ipynb b/examples/security/ssl_requests/README.ipynb
index 2ab59d2eb0..8231de1999 100644
--- a/examples/security/ssl_requests/README.ipynb
+++ b/examples/security/ssl_requests/README.ipynb
@@ -235,7 +235,7 @@
     "  - graph:\n",
     "      children: []\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "      name: classifier\n",
     "    name: default\n",
     "    replicas: 1\n",
@@ -274,7 +274,7 @@
     "  - graph:\n",
     "      children: []\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "      name: classifier\n",
     "    name: default\n",
     "    replicas: 1\n",
@@ -731,7 +731,7 @@
     "  - graph:\n",
     "      children: []\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "      name: classifier\n",
     "    name: default\n",
     "    replicas: 1\n",
diff --git a/examples/security/ssl_requests/README.md b/examples/security/ssl_requests/README.md
index 6e84cd44ee..3f2cdd20c7 100644
--- a/examples/security/ssl_requests/README.md
+++ b/examples/security/ssl_requests/README.md
@@ -138,7 +138,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
     name: default
     replicas: 1
@@ -163,7 +163,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
     name: default
     replicas: 1
@@ -387,7 +387,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
     name: default
     replicas: 1
diff --git a/examples/streaming/knative-eventing/README.ipynb b/examples/streaming/knative-eventing/README.ipynb
index da6a90a323..72ac08a20d 100644
--- a/examples/streaming/knative-eventing/README.ipynb
+++ b/examples/streaming/knative-eventing/README.ipynb
@@ -58,7 +58,7 @@
     "  predictors:\n",
     "  - graph:\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "      name: simple-iris-model\n",
     "      children: []\n",
     "    name: default\n",
diff --git a/examples/streaming/knative-eventing/README.md b/examples/streaming/knative-eventing/README.md
index 9f9cd631ec..f390604da2 100644
--- a/examples/streaming/knative-eventing/README.md
+++ b/examples/streaming/knative-eventing/README.md
@@ -29,7 +29,7 @@ spec:
   predictors:
   - graph:
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: simple-iris-model
       children: []
     name: default
diff --git a/examples/streaming/knative-eventing/assets/simple-iris-deployment.yaml b/examples/streaming/knative-eventing/assets/simple-iris-deployment.yaml
index c52961c870..0a09ef1495 100644
--- a/examples/streaming/knative-eventing/assets/simple-iris-deployment.yaml
+++ b/examples/streaming/knative-eventing/assets/simple-iris-deployment.yaml
@@ -7,7 +7,7 @@ spec:
   predictors:
   - graph:
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: simple-iris-model
       children: []
     name: default
diff --git a/examples/upgrade-to-rclone/global-rclone-upgrade.ipynb b/examples/upgrade-to-rclone/global-rclone-upgrade.ipynb
index d795f68ae3..d88ead5b67 100644
--- a/examples/upgrade-to-rclone/global-rclone-upgrade.ipynb
+++ b/examples/upgrade-to-rclone/global-rclone-upgrade.ipynb
@@ -666,7 +666,7 @@
     "    --repo https://storage.googleapis.com/seldon-charts \\\n",
     "    --version 1.9.1 \\\n",
     "    --namespace seldon-system \\\n",
-    "    --set storageInitializer.image=\"seldonio/rclone-storage-initializer:1.18.0\" \\\n",
+    "    --set storageInitializer.image=\"seldonio/rclone-storage-initializer:1.19.0-dev\" \\\n",
     "    --reuse-values"
    ]
   },
diff --git a/examples/upgrade-to-rclone/rclone-upgrade.ipynb b/examples/upgrade-to-rclone/rclone-upgrade.ipynb
index 78c7c2d2a1..a5a6b20c83 100644
--- a/examples/upgrade-to-rclone/rclone-upgrade.ipynb
+++ b/examples/upgrade-to-rclone/rclone-upgrade.ipynb
@@ -264,7 +264,7 @@
     "spec:\n",
     "  containers:\n",
     "  - name: rclone\n",
-    "    image: seldonio/rclone-storage-initializer:1.18.0\n",
+    "    image: seldonio/rclone-storage-initializer:1.19.0-dev\n",
     "    command: [ \"/bin/sh\", \"-c\", \"--\", \"sleep 3600\"]\n",
     "    envFrom:\n",
     "    - secretRef:\n",
@@ -359,7 +359,7 @@
     "      implementation: SKLEARN_SERVER\n",
     "      modelUri: s3://sklearn/iris\n",
     "      envSecretRefName: seldon-rclone-secret\n",
-    "      storageInitializerImage: seldonio/rclone-storage-initializer:1.18.0"
+    "      storageInitializerImage: seldonio/rclone-storage-initializer:1.19.0-dev"
    ]
   },
   {
diff --git a/helm-charts/seldon-abtest/values.yaml b/helm-charts/seldon-abtest/values.yaml
index 934ad3155f..3ad748c24e 100644
--- a/helm-charts/seldon-abtest/values.yaml
+++ b/helm-charts/seldon-abtest/values.yaml
@@ -2,13 +2,13 @@ separate_pods: true
 modela:
   image:
     name: seldonio/mock_classifier
-    version: 1.18.0
+    version: 1.19.0-dev
   name: classifier-1
 #  resources: { "requests": { "memory": "1Mi" }}
 modelb:
   image:
     name: seldonio/mock_classifier
-    version: 1.18.0
+    version: 1.19.0-dev
   name: classifier-2
 traffic_modela_percentage: 0.5
 replicas: 1
diff --git a/helm-charts/seldon-core-analytics/Chart.yaml b/helm-charts/seldon-core-analytics/Chart.yaml
index 8cb3a73f76..37af8b1e6d 100644
--- a/helm-charts/seldon-core-analytics/Chart.yaml
+++ b/helm-charts/seldon-core-analytics/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: 1.18.0
+appVersion: 1.19.0-dev
 dependencies:
 - condition: grafana.enabled
   name: grafana
@@ -27,4 +27,4 @@ name: seldon-core-analytics
 sources:
 - https://github.com/SeldonIO/seldon-core
 - https://github.com/SeldonIO/seldon-core/tree/master/helm-charts/seldon-core-analytics
-version: 1.18.0
+version: 1.19.0-dev
diff --git a/helm-charts/seldon-core-operator/Chart.yaml b/helm-charts/seldon-core-operator/Chart.yaml
index 98817d3ef3..440b603930 100644
--- a/helm-charts/seldon-core-operator/Chart.yaml
+++ b/helm-charts/seldon-core-operator/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v1
-appVersion: 1.18.0
+appVersion: 1.19.0-dev
 description: Seldon Core CRD and controller helm chart for Kubernetes.
 keywords:
 - kubernetes
@@ -9,4 +9,4 @@ sources:
 - https://github.com/SeldonIO/seldon-core
 - https://github.com/SeldonIO/seldon-core/tree/master/helm-charts/seldon-core-operator
 - https://docs.seldon.io/projects/seldon-core/en/latest/workflow/install.html
-version: 1.18.0
+version: 1.19.0-dev
diff --git a/helm-charts/seldon-core-operator/values.yaml b/helm-charts/seldon-core-operator/values.yaml
index f5c4f48be3..b6aeb787f4 100644
--- a/helm-charts/seldon-core-operator/values.yaml
+++ b/helm-charts/seldon-core-operator/values.yaml
@@ -52,7 +52,7 @@ executor:
     pullPolicy: IfNotPresent
     registry: docker.io
     repository: seldonio/seldon-core-executor
-    tag: 1.18.0
+    tag: 1.19.0-dev
   resources:
     cpuLimit: 500m
     cpuRequest: 500m
@@ -78,7 +78,7 @@ image:
   pullPolicy: IfNotPresent
   registry: docker.io
   repository: seldonio/seldon-core-operator
-  tag: 1.18.0
+  tag: 1.19.0-dev
 manager:
   cpuLimit: 500m
   cpuRequest: 100m
@@ -105,7 +105,7 @@ singleNamespace: false
 storageInitializer:
   cpuLimit: "1"
   cpuRequest: 100m
-  image: seldonio/rclone-storage-initializer:1.18.0
+  image: seldonio/rclone-storage-initializer:1.19.0-dev
   memoryLimit: 1Gi
   memoryRequest: 100Mi
 usageMetrics:
@@ -131,7 +131,7 @@ predictor_servers:
   MLFLOW_SERVER:
     protocols:
       seldon:
-        defaultImageVersion: "1.18.0"
+        defaultImageVersion: "1.19.0-dev"
         image: seldonio/mlflowserver
       v2:
         defaultImageVersion: "1.3.5-mlflow"
@@ -139,7 +139,7 @@ predictor_servers:
   SKLEARN_SERVER:
     protocols:
       seldon:
-        defaultImageVersion: "1.18.0"
+        defaultImageVersion: "1.19.0-dev"
         image: seldonio/sklearnserver
       v2:
         defaultImageVersion: "1.3.5-sklearn"
@@ -147,7 +147,7 @@ predictor_servers:
   TENSORFLOW_SERVER:
     protocols:
       seldon:
-        defaultImageVersion: "1.18.0"
+        defaultImageVersion: "1.19.0-dev"
         image: seldonio/tfserving-proxy
       tensorflow:
         defaultImageVersion: 2.1.0
@@ -155,7 +155,7 @@ predictor_servers:
   XGBOOST_SERVER:
     protocols:
       seldon:
-        defaultImageVersion: "1.18.0"
+        defaultImageVersion: "1.19.0-dev"
         image: seldonio/xgboostserver
       v2:
         defaultImageVersion: "1.3.5-xgboost"
@@ -200,5 +200,5 @@ kubeflow: false
 
 # Explainer image
 explainer:
-  image: seldonio/alibiexplainer:1.18.0
+  image: seldonio/alibiexplainer:1.19.0-dev
   image_v2: seldonio/mlserver:1.3.5-alibi-explain
diff --git a/helm-charts/seldon-mab/values.yaml b/helm-charts/seldon-mab/values.yaml
index 5d250540a1..8555be4371 100644
--- a/helm-charts/seldon-mab/values.yaml
+++ b/helm-charts/seldon-mab/values.yaml
@@ -1,17 +1,17 @@
 modela:
   image:
     name: seldonio/mock_classifier
-    version: 1.18.0
+    version: 1.19.0-dev
   name: classifier-1
 modelb:
   image:
     name: seldonio/mock_classifier
-    version: 1.18.0
+    version: 1.19.0-dev
   name: classifier-2
 mab:
   image:
     name: seldonio/mab_epsilon_greedy
-    version: 1.18.0
+    version: 1.19.0-dev
   name: eg-router
   branches: 2
   epsilon: 0.2
@@ -22,7 +22,7 @@ sdepLabels:
   app: "seldon"
 
 predictorLabels:
-  version: 1.18.0
+  version: 1.19.0-dev
   fluentd: "true"
 
 engine:
diff --git a/notebooks/explainer_examples.ipynb b/notebooks/explainer_examples.ipynb
index 0db4da81be..14ec85456d 100644
--- a/notebooks/explainer_examples.ipynb
+++ b/notebooks/explainer_examples.ipynb
@@ -316,7 +316,7 @@
     "  - graph:\n",
     "      children: []\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: \"gs://seldon-models/v1.18.0/sklearn/moviesentiment\"\n",
+    "      modelUri: \"gs://seldon-models/v1.19.0-dev/sklearn/moviesentiment\"\n",
     "      name: classifier\n",
     "    explainer:\n",
     "      type: AnchorText\n",
diff --git a/notebooks/resources/istio_shadow.yaml b/notebooks/resources/istio_shadow.yaml
index 93617b0f11..72b520badd 100644
--- a/notebooks/resources/istio_shadow.yaml
+++ b/notebooks/resources/istio_shadow.yaml
@@ -9,12 +9,12 @@ spec:
       graph:
         name: iris-default
         implementation: SKLEARN_SERVER
-        modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+        modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       replicas: 1
     - name: shadow
       graph:
         name: iris-shadow
         implementation: SKLEARN_SERVER
-        modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+        modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       replicas: 1
       shadow: true
diff --git a/notebooks/resources/moviesentiment_explainer.yaml b/notebooks/resources/moviesentiment_explainer.yaml
index a8b7e62095..1ab0a8f453 100644
--- a/notebooks/resources/moviesentiment_explainer.yaml
+++ b/notebooks/resources/moviesentiment_explainer.yaml
@@ -10,7 +10,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: "gs://seldon-models/v1.18.0/sklearn/moviesentiment"
+      modelUri: "gs://seldon-models/v1.19.0-dev/sklearn/moviesentiment"
       name: classifier
     explainer:
       type: AnchorText
diff --git a/notebooks/server_examples.ipynb b/notebooks/server_examples.ipynb
index 7a932f2ef0..cd0525789d 100644
--- a/notebooks/server_examples.ipynb
+++ b/notebooks/server_examples.ipynb
@@ -108,7 +108,7 @@
     "  - graph:\n",
     "      name: classifier\n",
     "      implementation: SKLEARN_SERVER\n",
-    "      modelUri: gs://seldon-models/v1.18.0/sklearn/iris\n",
+    "      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris\n",
     "    name: default\n",
     "    replicas: 1\n",
     "    svcOrchSpec:\n",
diff --git a/operator/config/manager/configmap.yaml b/operator/config/manager/configmap.yaml
index 579a2c3bef..28a51d9187 100644
--- a/operator/config/manager/configmap.yaml
+++ b/operator/config/manager/configmap.yaml
@@ -25,7 +25,7 @@ data:
               },
             "seldon": {
               "image": "seldonio/tfserving-proxy",
-              "defaultImageVersion": "1.18.0"
+              "defaultImageVersion": "1.19.0-dev"
               }
             }
         },
@@ -33,7 +33,7 @@ data:
           "protocols" : {
             "seldon": {
               "image": "seldonio/sklearnserver",
-              "defaultImageVersion": "1.18.0"
+              "defaultImageVersion": "1.19.0-dev"
               },
             "v2": {
               "image": "seldonio/mlserver",
@@ -45,7 +45,7 @@ data:
           "protocols" : {
             "seldon": {
               "image": "seldonio/xgboostserver",
-              "defaultImageVersion": "1.18.0"
+              "defaultImageVersion": "1.19.0-dev"
               },
             "v2": {
               "image": "seldonio/mlserver",
@@ -57,7 +57,7 @@ data:
           "protocols" : {
             "seldon": {
               "image": "seldonio/mlflowserver",
-              "defaultImageVersion": "1.18.0"
+              "defaultImageVersion": "1.19.0-dev"
               },
             "v2": {
               "image": "seldonio/mlserver",
@@ -100,6 +100,6 @@ data:
     }
   explainer: |-
     {
-        "image" : "seldonio/alibiexplainer:1.18.0",
+        "image" : "seldonio/alibiexplainer:1.19.0-dev",
         "image_v2" : "seldonio/mlserver:1.3.5-alibi-explain"
     }
diff --git a/operator/config/manager/kustomization.yaml b/operator/config/manager/kustomization.yaml
index 9dc69e7342..c31ba59145 100644
--- a/operator/config/manager/kustomization.yaml
+++ b/operator/config/manager/kustomization.yaml
@@ -7,4 +7,4 @@ kind: Kustomization
 images:
 - name: controller
   newName: docker.io/seldonio/seldon-core-operator
-  newTag: 1.18.0
+  newTag: 1.19.0-dev
diff --git a/operator/config/manager/manager.yaml b/operator/config/manager/manager.yaml
index 3b3704c653..a931b35857 100644
--- a/operator/config/manager/manager.yaml
+++ b/operator/config/manager/manager.yaml
@@ -117,7 +117,7 @@ spec:
         - name: USE_EXECUTOR
           value: "true"
         - name: EXECUTOR_CONTAINER_IMAGE_AND_VERSION
-          value: seldonio/seldon-core-executor:1.18.0
+          value: seldonio/seldon-core-executor:1.19.0-dev
         - name: EXECUTOR_CONTAINER_IMAGE_PULL_POLICY
           value: IfNotPresent
         - name: EXECUTOR_PROMETHEUS_PATH
diff --git a/python/seldon_core/version.py b/python/seldon_core/version.py
index 6cea18d86c..28f0171c39 100644
--- a/python/seldon_core/version.py
+++ b/python/seldon_core/version.py
@@ -1 +1 @@
-__version__ = "1.18.0"
+__version__ = "1.19.0-dev"
diff --git a/python/setup.py b/python/setup.py
index 8cef93af57..3e06dfc03a 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -12,7 +12,7 @@
     name="seldon-core",
     author="Seldon Technologies Ltd.",
     author_email="hello@seldon.io",
-    version="1.18.0",
+    version="1.19.0-dev",
     description="Seldon Core client and microservice wrapper",
     url="https://github.com/SeldonIO/seldon-core",
     license="Business Source License 1.1",
diff --git a/servers/mlflowserver/mlflowserver/image_metadata.json b/servers/mlflowserver/mlflowserver/image_metadata.json
index bca6c8b49a..8d05dfaeba 100644
--- a/servers/mlflowserver/mlflowserver/image_metadata.json
+++ b/servers/mlflowserver/mlflowserver/image_metadata.json
@@ -1 +1 @@
-{"labels": [{"name": "Seldon MLFlow Server"}, {"vendor": "Seldon Technologies"}, {"version": "1.18.0"}, {"release": "1"}, {"summary": "An MLFlow Model Server for Seldon Core"}, {"description": "The model server for MLFlow models"}]}
\ No newline at end of file
+{"labels": [{"name": "Seldon MLFlow Server"}, {"vendor": "Seldon Technologies"}, {"version": "1.19.0-dev"}, {"release": "1"}, {"summary": "An MLFlow Model Server for Seldon Core"}, {"description": "The model server for MLFlow models"}]}
\ No newline at end of file
diff --git a/servers/sklearnserver/samples/iris.yaml b/servers/sklearnserver/samples/iris.yaml
index 70aa379323..6c20573cec 100644
--- a/servers/sklearnserver/samples/iris.yaml
+++ b/servers/sklearnserver/samples/iris.yaml
@@ -7,7 +7,7 @@ spec:
   - graph:
       name: classifier
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
     name: default
     replicas: 1
     svcOrchSpec:
diff --git a/servers/sklearnserver/samples/iris_custom.yaml b/servers/sklearnserver/samples/iris_custom.yaml
index feec0a7dc8..1331ab001c 100644
--- a/servers/sklearnserver/samples/iris_custom.yaml
+++ b/servers/sklearnserver/samples/iris_custom.yaml
@@ -15,7 +15,7 @@ spec:
     graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
     name: default
     replicas: 1
diff --git a/servers/sklearnserver/samples/iris_predict.yaml b/servers/sklearnserver/samples/iris_predict.yaml
index ae056b783b..68f55bc2ab 100644
--- a/servers/sklearnserver/samples/iris_predict.yaml
+++ b/servers/sklearnserver/samples/iris_predict.yaml
@@ -8,7 +8,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/iris
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/iris
       name: classifier
       parameters:
         - name: method
diff --git a/servers/sklearnserver/sklearnserver/image_metadata.json b/servers/sklearnserver/sklearnserver/image_metadata.json
index 3f4a4857b7..eef89fac32 100644
--- a/servers/sklearnserver/sklearnserver/image_metadata.json
+++ b/servers/sklearnserver/sklearnserver/image_metadata.json
@@ -1 +1 @@
-{"labels": [{"name": "Seldon SKLearn Server"}, {"vendor": "Seldon Technologies"}, {"version": "1.18.0"}, {"release": "1"}, {"summary": "A SKLearn Model Server for Seldon Core"}, {"description": "The model server for sklearn models saved as pickles."}]}
\ No newline at end of file
+{"labels": [{"name": "Seldon SKLearn Server"}, {"vendor": "Seldon Technologies"}, {"version": "1.19.0-dev"}, {"release": "1"}, {"summary": "A SKLearn Model Server for Seldon Core"}, {"description": "The model server for sklearn models saved as pickles."}]}
\ No newline at end of file
diff --git a/servers/tfserving/Dockerfile.redhat b/servers/tfserving/Dockerfile.redhat
index 8514f655ed..2994b0536d 100644
--- a/servers/tfserving/Dockerfile.redhat
+++ b/servers/tfserving/Dockerfile.redhat
@@ -5,7 +5,7 @@ FROM ${TF_SERVING_BUILD_IMAGE} as build_image
 FROM registry.access.redhat.com/ubi8/ubi-minimal
 LABEL name="Seldon Tensorflow Serving Server" \
       vendor="Seldon Technologies" \
-      version="1.18.0" \
+      version="1.19.0-dev" \
       release="1" \
       summary="Tensorflow serving for Seldon Core" \
       description="Tensorflow serving for Seldon Core to server Tensorflow models"
diff --git a/servers/tfserving_proxy/image_metadata.json b/servers/tfserving_proxy/image_metadata.json
index 06f58fcf1a..0836793089 100644
--- a/servers/tfserving_proxy/image_metadata.json
+++ b/servers/tfserving_proxy/image_metadata.json
@@ -1 +1 @@
-{"labels": [{"name": "Seldon Tensorflow Proxy Server"}, {"vendor": "Seldon Technologies"}, {"version": "1.18.0"}, {"release": "1"}, {"summary": "A Tensorflow Proxy Server for Seldon Core"}, {"description": "A proxy for Tensorflow Serving to allow Seldon data plane to call a Tensorflow Server"}]}
\ No newline at end of file
+{"labels": [{"name": "Seldon Tensorflow Proxy Server"}, {"vendor": "Seldon Technologies"}, {"version": "1.19.0-dev"}, {"release": "1"}, {"summary": "A Tensorflow Proxy Server for Seldon Core"}, {"description": "A proxy for Tensorflow Serving to allow Seldon data plane to call a Tensorflow Server"}]}
\ No newline at end of file
diff --git a/servers/xgboostserver/xgboostserver/image_metadata.json b/servers/xgboostserver/xgboostserver/image_metadata.json
index d7a3ecc59b..f021e49ed2 100644
--- a/servers/xgboostserver/xgboostserver/image_metadata.json
+++ b/servers/xgboostserver/xgboostserver/image_metadata.json
@@ -1 +1 @@
-{"labels": [{"name": "Seldon XGBoost Server"}, {"vendor": "Seldon Technologies"}, {"version": "1.18.0"}, {"release": "1"}, {"summary": "A XGBoost Model Server for Seldon Core"}, {"description": "The model server for XGBoost models"}]}
\ No newline at end of file
+{"labels": [{"name": "Seldon XGBoost Server"}, {"vendor": "Seldon Technologies"}, {"version": "1.19.0-dev"}, {"release": "1"}, {"summary": "A XGBoost Model Server for Seldon Core"}, {"description": "The model server for XGBoost models"}]}
\ No newline at end of file
diff --git a/testing/benchmarking/automated-benchmark/README.ipynb b/testing/benchmarking/automated-benchmark/README.ipynb
index 1788e507a0..7767d182ec 100644
--- a/testing/benchmarking/automated-benchmark/README.ipynb
+++ b/testing/benchmarking/automated-benchmark/README.ipynb
@@ -94,7 +94,7 @@
     "    --set seldonDeployment.replicas=\"1\" \\\n",
     "    --set seldonDeployment.serverWorkers=\"5\" \\\n",
     "    --set seldonDeployment.serverThreads=1 \\\n",
-    "    --set seldonDeployment.modelUri=\"gs://seldon-models/v1.18.0/sklearn/iris\" \\\n",
+    "    --set seldonDeployment.modelUri=\"gs://seldon-models/v1.19.0-dev/sklearn/iris\" \\\n",
     "    --set seldonDeployment.server=\"SKLEARN_SERVER\" \\\n",
     "    --set seldonDeployment.apiType=\"rest|grpc\" \\\n",
     "    --set seldonDeployment.requests.cpu=\"2000Mi\" \\\n",
diff --git a/testing/resources/adserver-cifar10-od-rclone.yaml b/testing/resources/adserver-cifar10-od-rclone.yaml
index d3a56352fd..0489db2110 100644
--- a/testing/resources/adserver-cifar10-od-rclone.yaml
+++ b/testing/resources/adserver-cifar10-od-rclone.yaml
@@ -25,7 +25,7 @@ spec:
     spec:
       containers:
       - name: server
-        image: seldonio/alibi-detect-server:1.18.0
+        image: seldonio/alibi-detect-server:1.19.0-dev
         imagePullPolicy: IfNotPresent
         args:
         - --model_name
diff --git a/testing/resources/adserver-cifar10-od.yaml b/testing/resources/adserver-cifar10-od.yaml
index 33c46ebfaf..bd939c7582 100644
--- a/testing/resources/adserver-cifar10-od.yaml
+++ b/testing/resources/adserver-cifar10-od.yaml
@@ -14,7 +14,7 @@ spec:
     spec:
       containers:
       - name: server
-        image: seldonio/alibi-detect-server:1.18.0
+        image: seldonio/alibi-detect-server:1.19.0-dev
         imagePullPolicy: IfNotPresent
         args:
         - --model_name
diff --git a/testing/resources/movies-text-explainer.yaml b/testing/resources/movies-text-explainer.yaml
index 667e347854..96397fe56f 100644
--- a/testing/resources/movies-text-explainer.yaml
+++ b/testing/resources/movies-text-explainer.yaml
@@ -8,7 +8,7 @@ spec:
   - graph:
       children: []
       implementation: SKLEARN_SERVER
-      modelUri: gs://seldon-models/v1.18.0/sklearn/moviesentiment
+      modelUri: gs://seldon-models/v1.19.0-dev/sklearn/moviesentiment
       name: classifier
     explainer:
       type: AnchorText
diff --git a/testing/scripts/test_benchmark.py b/testing/scripts/test_benchmark.py
index dc7726ce7b..fcd59266e6 100644
--- a/testing/scripts/test_benchmark.py
+++ b/testing/scripts/test_benchmark.py
@@ -112,7 +112,7 @@ def test_python_wrapper_v1_vs_v2_iris():
         protocol="seldon",
         server_list=["SKLEARN_SERVER"],
         benchmark_concurrency_list=benchmark_concurrency_list,
-        model_uri_list=["gs://seldon-models/v1.18.0/sklearn/iris"],
+        model_uri_list=["gs://seldon-models/v1.19.0-dev/sklearn/iris"],
         benchmark_data={"data": {"ndarray": [[1, 2, 3, 4]]}},
     )
     df_pywrapper = df_pywrapper.sort_values(sort_by)
diff --git a/version.txt b/version.txt
index 84cc529467..ff32b92aad 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.18.0
+1.19.0-dev