diff --git a/changelog/best-practice/claude-skills/changelog.md b/changelog/best-practice/claude-skills/changelog.md
index 414dad6..191fa0d 100644
--- a/changelog/best-practice/claude-skills/changelog.md
+++ b/changelog/best-practice/claude-skills/changelog.md
@@ -141,3 +141,11 @@ No drift detected — frontmatter fields (13) and bundled skills (5) are fully s
 ## [2026-04-13 08:02 PM PKT] Claude Code v2.1.101
 
 No drift detected — frontmatter fields (13) and bundled skills (5) are fully synchronized with official docs.
+
+---
+
+## [2026-04-14 11:13 PM PKT] Claude Code v2.1.107
+
+| # | Priority | Type | Action | Status |
+|---|----------|------|--------|--------|
+| 1 | HIGH | New Field | Add `when_to_use` field to frontmatter table — additional context for when Claude should invoke the skill; appended to `description` in skill listing, counts toward 1,536-char cap | ✅ COMPLETE (added to frontmatter table after `description`, count updated 13→14) |