diff --git a/PROJECT_PLAN.md b/PROJECT_PLAN.md
index 94edcf8..d32ac4a 100644
--- a/PROJECT_PLAN.md
+++ b/PROJECT_PLAN.md
@@ -439,11 +439,11 @@ Implement `/` keybinding for search across all apps with similar UX:
 
 ### Phase 1: Critical/High Priority
 1. ~~Tasks App: Fix table display~~ (DONE)
-2. Sync: Parallelize message downloads
-3. Mail: Replace hardcoded RGB colors
-4. Mail: Remove envelope icon/checkbox gap
-5. Calendar: Current time hour line styling
-6. IPC: Implement cross-app refresh notifications
+2. ~~Sync: Parallelize message downloads~~ (DONE - connection pooling + batch size increase)
+3. ~~Mail: Replace hardcoded RGB colors~~ (DONE - already using theme variables)
+4. ~~Mail: Remove envelope icon/checkbox gap~~ (DONE)
+5. ~~Calendar: Current time hour line styling~~ (DONE - added surface background)
+6. ~~IPC: Implement cross-app refresh notifications~~ (DONE)
 
 ### Phase 2: Medium Priority
 1. Sync: Default to TUI mode