notify-debouncer-full

debouncer-full 0.8.0-rc.2 (2026-05-02)

• CHANGE: upgrade notify to 9.0.0-rc.4
• CHANGE: emit remove events even if a file was created and then removed (because macOS repeats the "create" event) #900 breaking
• CHANGE: speed up debouncer root tracking for large numbers of watched paths while preserving recursive matching for overlapping roots #913

• CHANGE: upgrade notify to 9.0.0-rc.4
• CHANGE: emit remove events even if a file was created and then removed (because macOS repeats the "create" event) #900 breaking
• CHANGE: speed up debouncer root tracking for large numbers of watched paths while preserving recursive matching for overlapping roots #913

debouncer-full 0.8.0-rc.1 (2026-04-16)

• CHANGE: raise MSRV to 1.88
• CHANGE: upgrade notify to 9.0.0-rc.3
• CHANGE: add #[must_use] annotations to cache constructors and watcher kind accessors
• CHANGE: use HashMap::extract_if to reduce debouncer flush overhead
• CHANGE: speed up debouncer event flushing and file ID cache lookups while preserving stable path ordering for equal-timestamp events
• FEATURE: impl EventHandler for futures::channel::mpsc::UnboundedSender and tokio::sync::mpsc::UnboundedSender behind the futures and tokio feature flags #767
• FEATURE: add support of a watcher's method update_paths #705
• FEATURE: add Debouncer::watched_paths for Debouncer #710

• CHANGE: raise MSRV to 1.88
• CHANGE: upgrade notify to 9.0.0-rc.3
• CHANGE: add #[must_use] annotations to cache constructors and watcher kind accessors
• CHANGE: use HashMap::extract_if to reduce debouncer flush overhead
• CHANGE: speed up debouncer event flushing and file ID cache lookups while preserving stable path ordering for equal-timestamp events
• FEATURE: impl EventHandler for futures::channel::mpsc::UnboundedSender and tokio::sync::mpsc::UnboundedSender behind the futures and tokio feature flags #767
• FEATURE: add support of a watcher's method update_paths #705
• FEATURE: add Debouncer::watched_paths for Debouncer #710

• FEATURE: support wasm build #673
• FIX: events within the timeout were not deduplicated, causing event_handler to be called multiple times for events that should have been merged #711

[!IMPORTANT] The MSRV policy has been changed since this release. Check out README for details.

• FEATURE: support wasm build #673
• FIX: events within the timeout were not deduplicated, causing event_handler to be called multiple times for events that should have been merged #711

• FEATURE: allow FileIdCache trait implementations to choose ownership of the returned file-ids #664
• FEATURE: added support for the flume crate #680
• FIX: skip all Modify events right after a Create event, unless it's a rename event #701

• CHANGE: update notify to version 8.0.0
• CHANGE: pass web-time feature to notify-types

• CHANGE: update notify to version 7.0.0

• CHANGE: manage root folder paths for the file ID cache automatically #557 breaking

  debouncer.watcher().watch(path, RecursiveMode::Recursive)?;
  debouncer.cache().add_root(path, RecursiveMode::Recursive);
  

  becomes:

  debouncer.watch(path, RecursiveMode::Recursive)?;
  

• CHANGE: add RecommendedCache, which automatically enables the file ID cache on Windows and MacOS and disables it on Linux, where it is not needed #557

• FIX: ordering of debounced events could lead to a panic with Rust 1.81.0 and above #636

• CHANGE: remove serde binary experiment opt-out after it got removed #530

• CHANGE: opt-out of the serde binary experiment by restricting it to < 1.0.172 #528
• CHANGE: license changed to dual-license of MIT OR Apache-2.0 #520
• CHANGE: upgrade to file-id 0.2.0 for high resolution file IDs #494
• FEATURE: derive debug for the debouncer struct #510

• CHANGE: emit events as DebouncedEvents, each containing the original notify event and the time at which it occurred #488

Newly introduced alternative debouncer with more features. #480

• FEATURE: only emit a single rename event if the rename From and To events can be matched
• FEATURE: merge multiple rename events
• FEATURE: keep track of the file system IDs all files and stitches rename events together (FSevents, Windows)
• FEATURE: emit only one remove event when deleting a directory (inotify)
• FEATURE: don't emit duplicate create events
• FEATURE: don't emit Modify events after a Create event