diff --git a/.gitmodules b/.gitmodules
index c09634ad..7093e588 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,9 @@
 [submodule "ics-openvpn"]
 	path = ics-openvpn
-	url = https://github.com/eduvpn/ics-openvpn
+	url = https://codeberg.org/eduVPN/ics-openvpn
 [submodule "common/libs/eduvpn-common"]
 	path = common/libs/eduvpn-common
 	url = https://github.com/eduvpn/eduvpn-common
 [submodule "wireguard"]
 	path = wireguard
-	url = https://codeberg.org/fkooman/wireguard-android
+	url = https://codeberg.org/eduVPN/wireguard-android
diff --git a/CHANGES.md b/CHANGES.md
index 5e4d6539..a8bdd19c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 3.3.4 (...)
+- update WireGuard, OpenVPN and "common" sub-modules
+- Move backend methods to background threads
+- More crash fixes
+- small README updates
+
 ## 3.3.3 (2024-10-04)
 - embed WireGuard for Android
 - fix crash when reconnecting
diff --git a/README.md b/README.md
index 5e25b39d..90c91754 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,8 @@ $ git clone --recurse-submodules https://codeberg.org/eduVPN/android
 
 # Download the app
 
+## Stores
+
 [<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
      alt="Get it on F-Droid"
      height="80">](https://f-droid.org/packages/nl.eduvpn.app/)
@@ -17,6 +19,11 @@ $ git clone --recurse-submodules https://codeberg.org/eduVPN/android
      alt="Get it on Google Play"
      height="80">](https://play.google.com/store/apps/details?id=nl.eduvpn.app)
 
+## APKs
+
+* [APKs for eduVPN](https://app.eduvpn.org/#android)
+* [APKs for Let's Connect!](https://app.letsconnect-vpn.org/#android)
+
 # Running with Android Studio
 
 First install the `swig` and `go` packages with your operating system package manager.
@@ -47,10 +54,10 @@ Anything lower was not tested, but 1GB of memory definitely does not work.
 The builder will spew a lot of backtraces/warnings, but does seem to complete 
 eventually.
 
-We last tested this on 2023-10-20 with Fedora 38.
+We last tested this on 2024-10-07 with Fedora 40.
 
 We removed the Debian instructions as building on Debian no longer works on 
-Debian 11 (as of 2023-03-06) and I have no desire to investigate fixing this.
+Debian 11 (as of 2023-03-06).
 
 ## Dependencies
 
@@ -68,22 +75,25 @@ $ sudo dnf -y install \
     ncurses-compat-libs \
     ninja-build \
     cmake \
-    pv
+    pv \
+    gcc-c++
 ```
 
 ## Key Store
 
 Generate a key store for signing the Android application:
 
-    $ keytool \
-        -genkey \
-        -keystore ${HOME}/android.jks \
-        -keyalg RSA \
-        -keysize 4096 \
-        -sigalg SHA256withRSA \
-        -dname "CN=eduVPN for Android" \
-        -validity 10000 \
-        -alias eduVPN
+```bash
+$ keytool \
+    -genkey \
+    -keystore ${HOME}/android.jks \
+    -keyalg RSA \
+    -keysize 4096 \
+    -sigalg SHA256withRSA \
+    -dname "CN=eduVPN for Android" \
+    -validity 10000 \
+    -alias eduVPN
+```
 
 Additional documentation 
 [here](https://developer.android.com/studio/publish/app-signing#signing-manually).
diff --git a/app/build.gradle b/app/build.gradle
index cf1d557b..964dbd86 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -15,8 +15,8 @@ android {
         applicationId "nl.eduvpn.app"
         minSdkVersion 21
         targetSdkVersion 34
-        versionCode 30
-        versionName "3.3.3"
+        versionCode 31
+        versionName "3.3.4"
         ndkVersion "26.1.10909125"
 
         vectorDrawables.useSupportLibrary = true
diff --git a/build_app_git.sh b/build_app_git.sh
index d315efea..f0e895c7 100755
--- a/build_app_git.sh
+++ b/build_app_git.sh
@@ -8,7 +8,7 @@ SDK_DIR=${HOME}/android-sdk
 KEY_STORE=${HOME}/android.jks
 
 GIT_REPO=https://codeberg.org/eduVPN/android
-#GIT_TAG=3.3.3
+#GIT_TAG=3.3.4
 GIT_TAG=master
 
 PROJECT_DIR=${HOME}/Projects
diff --git a/build_app_tar.sh b/build_app_tar.sh
index de42a04c..4c049bd3 100755
--- a/build_app_tar.sh
+++ b/build_app_tar.sh
@@ -7,7 +7,7 @@
 SDK_DIR=${HOME}/android-sdk
 KEY_STORE=${HOME}/android.jks
 
-V=3.3.3
+V=3.3.4
 DOWNLOAD_URL=https://codeberg.org/eduVPN/android/releases/download/${V}/eduvpn-android-${V}.tar.xz
 
 PROJECT_DIR=${HOME}/Projects
diff --git a/create_release_tar.sh b/create_release_tar.sh
index c7badd92..2858c62f 100755
--- a/create_release_tar.sh
+++ b/create_release_tar.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GIT_REPO=https://codeberg.org/eduVPN/android
-GIT_TAG=3.3.3
+GIT_TAG=3.3.4
 #GIT_TAG=master
 
 ###############################################################################
diff --git a/fastlane/metadata/android/en-US/changelogs/31.txt b/fastlane/metadata/android/en-US/changelogs/31.txt
new file mode 100644
index 00000000..787664e5
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/31.txt
@@ -0,0 +1,4 @@
+- update WireGuard, OpenVPN and "common" sub-modules
+- Move backend methods to background threads
+- More crash fixes
+- small README updates