diff --git a/guide/claude-code-releases.md b/guide/claude-code-releases.md
index db4d123..e544214 100644
--- a/guide/claude-code-releases.md
+++ b/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**: v2.1.19 | **Updated**: 2026-01-25
+**Latest**: v2.1.20 | **Updated**: 2026-01-27
 
 ---
 
@@ -19,6 +19,20 @@
 
 ## 2.1.x Series (January 2026)
 
+### v2.1.20 (2026-01-27)
+
+- **New**: TaskUpdate tool can delete tasks via `status="deleted"`
+- **New**: PR review status indicator in prompt footer — Shows PR state (approved, changes requested, pending, draft) as colored dot with clickable link
+- Arrow key history navigation in vim normal mode when cursor cannot move further
+- External editor shortcut (Ctrl+G) added to help menu
+- Support for loading CLAUDE.md from `--add-dir` directories (requires `CLAUDE_CODE_ADDITIONAL_DIRECTORIES_CLAUDE_MD=1`)
+- Fixed: Session compaction issues causing full history load instead of compact summary
+- Fixed: Agents ignoring user messages while actively working
+- Fixed: Wide character (emoji, CJK) rendering artifacts
+- Improved: Task list dynamically adjusts to terminal height
+- Changed: Background agents prompt for tool permissions before launching
+- Changed: Config backups timestamped and rotated (keeps 5 most recent)
+
 ### v2.1.19 (2026-01-25)
 
 - **New**: `CLAUDE_CODE_ENABLE_TASKS` environment variable — Set to `false` to temporarily revert to old task system
diff --git a/machine-readable/claude-code-releases.yaml b/machine-readable/claude-code-releases.yaml
index 6921145..d6b21fc 100644
--- a/machine-readable/claude-code-releases.yaml
+++ b/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: "2.1.19"
-updated: "2026-01-25"
+latest: "2.1.20"
+updated: "2026-01-27"
 
 # ════════════════════════════════════════════════════════════════
 # RELEASES (newest first, condensed highlights only)
@@ -15,6 +15,13 @@ releases:
   # 2.1.x Series (January 2026)
   # ─────────────────────────────────────────────────────────────
 
+  - version: "2.1.20"
+    date: "2026-01-27"
+    highlights:
+      - "TaskUpdate: status='deleted' for task removal"
+      - "PR review status indicator (colored dot + link)"
+    breaking: []
+
   - version: "2.1.19"
     date: "2026-01-25"
     highlights: