Update CHANGELOG

CHANGELOG.md

@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 # Unreleased
 ## backhand
+### Changes
+- Following changes were done to allow multi-threaded applications
+  - Change `RefCell<Box<T>>` into `Arc<Mutex<T>>`
+  - Change `RefCell<T>` into `Mutex<T>`
+  - Change `Rc<T>` into `Arc<T>`
+  - Change `dyn CompressionAction` to `dyn CompressionAction + Send + Sync` for `Kind` uses
+  - Change `BufReadSeek: BufRead + Seek {}` to `BufReadSeek: BufRead + Seek + Send {}`
+
 ### Bug Fix
 - When creating an empty image using `FilesystemWriter::default()`, correctly create the ID table for UID and GID entries. Reported: ([@hwittenborn](https://github.com/hwittenborn)) ([!250](https://github.com/wcampbell0x2a/backhand/issues/275)), Fixed: ([#275](https://github.com/wcampbell0x2a/backhand/pull/275))
 - Remove manual `Clone` impl for `FilesystemReaderFile` ([#277](https://github.com/wcampbell0x2a/backhand/pull/277))
@@ -16,8 +24,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `strip` and `LTO` are enabled for release binaries
 
 ## unsquashfs 
-- Add progress bar for a cleaner output when extracting files
-- Add `--quiet` for not displaying progress bar and RUST_LOG output
+- Add progress bar for a cleaner output when extracting files ([#272](https://github.com/wcampbell0x2a/backhand/pull/272))
+- Add `--quiet` for not displaying progress bar and RUST_LOG output ([#272](https://github.com/wcampbell0x2a/backhand/pull/272))
+- Add multiple threads for extracing files, giving us the same performance in most cases as `squashfs-tools/unsquashfs`!
 
 ## ci
 - Fix libc calls, add testing and release binaries for the following platforms:([#259](https://github.com/wcampbell0x2a/backhand/pull/259))