docs: update Claude Code releases to v2.1.25

- Add v2.1.25: Fixed beta header validation for Bedrock/Vertex
- Add v2.1.23: Customizable spinner verbs, mTLS/proxy fixes, terminal performance

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

guide/claude-code-releases.md

@@ -4,7 +4,7 @@
 > **Full details**: [github.com/anthropics/claude-code/CHANGELOG.md](https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md)
 > **Machine-readable**: [claude-code-releases.yaml](../machine-readable/claude-code-releases.yaml)
 
-**Latest**: v2.1.22 | **Updated**: 2026-01-28
+**Latest**: v2.1.25 | **Updated**: 2026-01-30
 
 ---
 
@@ -19,6 +19,24 @@
 
 ## 2.1.x Series (January 2026)
 
+### v2.1.25 (2026-01-30)
+
+- Fixed beta header validation for Bedrock and Vertex gateway users — Ensures `CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=1` environment variable works correctly
+
+### v2.1.23 (2026-01-29)
+
+- **Customizable spinner verbs** — New `spinnerVerbs` setting allows personalization of spinner action words
+- mTLS and corporate proxy connectivity fixes — Improved support for users behind corporate proxies with client certificates
+- Per-user temp directory isolation — Prevents permission conflicts on shared systems
+- Improved terminal rendering performance — Optimized screen data layout for faster updates
+- Fixed: Prompt caching race condition causing 400 errors
+- Fixed: Async hooks not canceling when headless streaming ends
+- Fixed: Tab completion not updating input field
+- Fixed: Ripgrep search timeouts returning empty results instead of errors
+- Changed: Bash commands show timeout duration alongside elapsed time
+- Changed: Merged PRs show purple status indicator in prompt footer
+- [IDE] Fixed: Model options displaying incorrect region strings for Bedrock users in headless mode
+
 ### v2.1.22 (2026-01-28)
 
 - Improved task UI performance with virtualization — Task list now uses virtual scrolling for better responsiveness with many tasks

machine-readable/claude-code-releases.yaml

@@ -3,8 +3,8 @@
 # Purpose: Track Claude Code product releases for documentation sync
 # Maintained: Manual updates when new releases are announced
 
-latest: "2.1.22"
+latest: "2.1.25"
-updated: "2026-01-28"
+updated: "2026-01-30"
 
 # ════════════════════════════════════════════════════════════════
 # RELEASES (newest first, condensed highlights only)
@@ -15,6 +15,20 @@ releases:
   # 2.1.x Series (January 2026)
   # ─────────────────────────────────────────────────────────────
 
+  - version: "2.1.25"
+    date: "2026-01-30"
+    highlights:
+      - "Fixed beta header validation for Bedrock/Vertex gateway users"
+    breaking: []
+
+  - version: "2.1.23"
+    date: "2026-01-29"
+    highlights:
+      - "Customizable spinner verbs setting (spinnerVerbs)"
+      - "mTLS and corporate proxy connectivity fixes"
+      - "Improved terminal rendering performance"
+    breaking: []
+
   - version: "2.1.22"
     date: "2026-01-28"
     highlights: