diff --git a/CHANGELOG.md b/CHANGELOG.md
index 64e7cdd75..7d0c953eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 ## Changelog
 
+### `@jupyter-lsp/jupyterlab-lsp 5.0.3`
+
+- bug fixes:
+  - fix nested transclusions in JupyterLab 4.0.7+ (#1045)
+  - fix completions when `type` is not defined (#1044)
+
 ### `@jupyter-lsp/jupyterlab-lsp 5.0.2`
 
 - bug fixes:
diff --git a/packages/jupyterlab-lsp/package.json b/packages/jupyterlab-lsp/package.json
index 9d8010fa9..d95cb3b98 100644
--- a/packages/jupyterlab-lsp/package.json
+++ b/packages/jupyterlab-lsp/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-lsp/jupyterlab-lsp",
-  "version": "5.0.2",
+  "version": "5.0.3",
   "description": "Language Server Protocol integration for JupyterLab",
   "keywords": [
     "jupyter",
diff --git a/packages/jupyterlab-lsp/src/features/completion/renderer.ts b/packages/jupyterlab-lsp/src/features/completion/renderer.ts
index b319f0f9b..35cd105d1 100644
--- a/packages/jupyterlab-lsp/src/features/completion/renderer.ts
+++ b/packages/jupyterlab-lsp/src/features/completion/renderer.ts
@@ -49,21 +49,22 @@ export class LSPCompletionRenderer
     );
   }
 
-  protected getExtraInfo(item: CompletionItem): string {
+  protected getExtraInfo(
+    item: CompletionItem | IExtendedCompletionItem
+  ): string | undefined {
     const labelExtra = this.options.settings.composite.labelExtra;
+    const detail = 'detail' in item ? item?.detail ?? '' : '';
     switch (labelExtra) {
       case 'detail':
-        return item?.detail || '';
+        return detail;
       case 'type':
         return item?.type?.toLowerCase?.();
       case 'source':
         return item?.source;
       case 'auto':
-        return [
-          item?.detail || '',
-          item?.type?.toLowerCase?.(),
-          item?.source
-        ].filter(x => !!x)[0];
+        return [detail, item?.type?.toLowerCase?.(), item?.source].filter(
+          x => !!x
+        )[0];
       default:
         this.options.console.warn(
           'labelExtra does not match any of the expected values',
@@ -73,7 +74,10 @@ export class LSPCompletionRenderer
     }
   }
 
-  public updateExtraInfo(item: CompletionItem, li: HTMLLIElement) {
+  public updateExtraInfo(
+    item: CompletionItem | IExtendedCompletionItem,
+    li: HTMLLIElement
+  ) {
     const extraText = this.getExtraInfo(item);
     if (extraText) {
       const extraElement = li.getElementsByClassName(this.EXTRA_INFO_CLASS)[0];
@@ -184,10 +188,11 @@ export class LSPCompletionRenderer
     }
   }
 
-  itemWidthHeuristic(item: CompletionItem): number {
+  itemWidthHeuristic(item: CompletionItem | IExtendedCompletionItem): number {
     let labelSize = item.label.replace(/<(\/)?mark>/g, '').length;
-    const extraTextSize = this.getExtraInfo(item).length;
-    const type = item.type.toLowerCase();
+    const extra = this.getExtraInfo(item);
+    const extraTextSize = extra?.length ?? 0;
+    const type = item.type?.toLowerCase();
     if (type === 'file' || type === 'path') {
       // account for elision
       const parts = item.label.split(/<\/mark>/g);
diff --git a/packages/jupyterlab-lsp/src/virtual/document.ts b/packages/jupyterlab-lsp/src/virtual/document.ts
index 44d601fef..b80603872 100644
--- a/packages/jupyterlab-lsp/src/virtual/document.ts
+++ b/packages/jupyterlab-lsp/src/virtual/document.ts
@@ -225,7 +225,6 @@ export class VirtualDocument extends VirtualDocumentBase {
       );
       if (extractor.standalone && unusedStandalone.length > 0) {
         foreignDocument = unusedStandalone.pop()!;
-        this.unusedDocuments.delete(foreignDocument);
       } else {
         // if (previous document does not exists) or (extractor produces standalone documents
         // and no old standalone document could be reused): create a new document
diff --git a/packages/metapackage/package.json b/packages/metapackage/package.json
index 063dd9d3c..6dd8449b2 100644
--- a/packages/metapackage/package.json
+++ b/packages/metapackage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-lsp/jupyterlab-lsp-metapackage",
-  "version": "5.0.2",
+  "version": "5.0.3",
   "description": "JupyterLab LSP - Meta Package. All of the packages used by JupyterLab LSP",
   "homepage": "https://github.com/jupyter-lsp/jupyterlab-lsp",
   "bugs": {
diff --git a/setup.cfg b/setup.cfg
index f3dea7b29..8f87d9330 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,7 +26,8 @@ show_contexts = True
 [flake8]
 exclude = .git,__pycache__,envs,.ipynb_checkpoints,.mypy_cache
 max-line-length = 88
-ignore = E203,W503
+# E704 conflicts with black (https://github.com/PyCQA/pycodestyle/issues/1036)
+ignore = E203,W503,E704
 
 [isort]
 profile = black