Add 3.21.5 release notes and update sidebar

Added release notes for version 3.21.5, including bug fixes for QdrantClient URL handling, Claude Code JSON parsing, and LM Studio model detection. Updated the update notes index and sidebar to include the new release.

Author: hannesrudolph

docs/update-notes/index.md

@@ -5,6 +5,7 @@ This section contains notes about recent updates to Roo Code, listed by version
 
 ## Version 3.21
 
+*   [3.21.5](/update-notes/v3.21.5) (2025-06-23)
 *   [3.21.4](/update-notes/v3.21.4) (2025-06-23)
 *   [3.21.3](/update-notes/v3.21.3) (2025-06-21)
 *   [3.21.2](/update-notes/v3.21.2) (2025-06-21)

docs/update-notes/v3.21.5.mdx

@@ -0,0 +1,9 @@
+# Roo Code 3.21.5 Release Notes (2025-06-23)
+
+This patch release fixes issues with QdrantClient URL handling, improves LM Studio model detection, and resolves Claude Code JSON parsing issues.
+
+## Bug Fixes
+
+* **Qdrant Vector Store**: Fixed URL prefix handling during QdrantClient initialization for deployments with path prefixes (thanks CW-B-W!) ([#5033](https://github.com/RooCodeInc/Roo-Code/pull/5033))
+* **Claude Code Provider**: Resolved JSON parsing issues and improved reasoning block display to show collapsible reasoning blocks instead of raw JSON (thanks hannesrudolph!) ([#5049](https://github.com/RooCodeInc/Roo-Code/pull/5049))
+* **LM Studio**: Improved model detection to display all downloaded models instead of only currently loaded models (thanks daniel-lxs!) ([#5047](https://github.com/RooCodeInc/Roo-Code/pull/5047))

docs/update-notes/v3.21.mdx

@@ -68,6 +68,9 @@ Added support for reading Excel (.xlsx) files in tools ([#4751](https://github.c
 
 ## Bug Fixes
 
+* **Qdrant Vector Store**: Fixed URL prefix handling during QdrantClient initialization for deployments with path prefixes (thanks CW-B-W!) ([#5033](https://github.com/RooCodeInc/Roo-Code/pull/5033))
+* **Claude Code Provider**: Resolved JSON parsing issues and improved reasoning block display to show collapsible reasoning blocks instead of raw JSON ([#5049](https://github.com/RooCodeInc/Roo-Code/pull/5049))
+* **LM Studio**: Improved model detection to display all downloaded models instead of only currently loaded models (thanks daniel-lxs!) ([#5047](https://github.com/RooCodeInc/Roo-Code/pull/5047))
 * **Apply Diff Accuracy**: Fixed start line parameter not working correctly when applying multiple file diffs (thanks samhvw8!) ([#5019](https://github.com/RooCodeInc/Roo-Code/pull/5019))
 * **Ollama Compatibility**: Resolved validation errors that prevented Ollama from working with certain models (thanks daniel-lxs, MartinHarding1998!) ([#5014](https://github.com/RooCodeInc/Roo-Code/pull/5014))
 *   **Ollama & LM Studio Context Length**: The context length for models served by Ollama and LM Studio is now automatically detected and displayed correctly, so you no longer need to configure it manually (thanks thecolorblue, Fade78!) ([#4314](https://github.com/RooCodeInc/Roo-Code/pull/4314)).

sidebars.ts

@@ -196,6 +196,7 @@ const sidebars: SidebarsConfig = {
           label: '3.21',
           items: [
             { type: 'doc', id: 'update-notes/v3.21', label: '3.21 Combined' },
+            { type: 'doc', id: 'update-notes/v3.21.5', label: '3.21.5' },
             { type: 'doc', id: 'update-notes/v3.21.4', label: '3.21.4' },
             { type: 'doc', id: 'update-notes/v3.21.3', label: '3.21.3' },
                         { type: 'doc', id: 'update-notes/v3.21.2', label: '3.21.2' },