Update changelog and version

CHANGELOG.md

@@ -6,6 +6,8 @@ adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## [0.2.0]
+
 ### Added
 - Generic support for wrapping mutexes that implement the traits provided by the
   [`lock_api`][lock_api] crate. This can be used for creating support for other mutex providers that
@@ -16,6 +18,16 @@ adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 - Simple benchmark to track the rough performance penalty incurred by dependency tracking.
 
+### Breaking
+
+- The library now requires edition 2021.
+
+- The `Mutex`- and `RwLockGuards` now dereference to `T` rather than the lock guard they wrap. This
+  is technically a bugfix but can theoretically break existing code.
+
+- Self-cycles are no longer allowed for lock dependencies. They previously were because it usually
+  isn't a problem, but it can create RWR deadlocks with `RwLocks`.
+
 ### Changed
 
 - The project now targets edition 2021
@@ -43,8 +55,9 @@ adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 Initial release.
 
-[Unreleased]: https://github.com/bertptrs/tracing-mutex/compare/v0.1.2...HEAD
-[0.1.2]: https://github.com/bertptrs/tracing-mutex/compare/v0.1.2...v0.1.2
+[Unreleased]: https://github.com/bertptrs/tracing-mutex/compare/v0.2.0...HEAD
+[0.2.0]: https://github.com/bertptrs/tracing-mutex/compare/v0.1.2...v0.2.0
+[0.1.2]: https://github.com/bertptrs/tracing-mutex/compare/v0.1.1...v0.1.2
 [0.1.1]: https://github.com/bertptrs/tracing-mutex/compare/v0.1.0...v0.1.1
 [0.1.0]: https://github.com/bertptrs/tracing-mutex/releases/tag/v0.1.0
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "tracing-mutex"
-version = "0.1.2"
+version = "0.2.0"
 authors = ["Bert Peters <bert@bertptrs.nl>"]
 edition = "2021"
 license = "MIT OR Apache-2.0"