- queue and batch filesystem model updates on the main thread
- process directory-tree updates and worker-affine listeners asynchronously
- coalesce adjacent modified events for the same path
- preserve captured file metadata across delayed event delivery
- add event, path, and thread-affinity filters for listener subscriptions
- configure optimized per-plugin filesystem subscriptions
- make listener removal wait for active callbacks safely
- handle self-removal without deadlocking
- support allocation-free matching of moved source paths
- synchronize project directory-tree mutations with active searches
- centralize diff-view button visibility around find/replace state
- improve code editor wrap-content and scrollbar sizing
- add queue, listener, and filesystem-model regression tests
