* Better error management
* Logging improved
* Many dependencies updated
* Update of the documentation
* Remove the dependency on the local-encoding crate (and a few crates along the way)
* Update to clap 3
* Handle use of RUSTC_WORKSPACE_WRAPPER
* Various improvements on compiler supports
* Add ZIP archives to Windows Releases
* Compress toolchains in parallel fashion via gzp
* Increase the MSRV to 1.58
* Code coverage improvements
Many thanks to all contributors who worked on this release.
New Contributors
* bc-lee made their first contribution in https://github.com/mozilla/sccache/pull/1181
* aeiouaeiouaeiouaeiouaeiouaeiou made their first contribution in https://github.com/mozilla/sccache/pull/1185
* bsilver8192 made their first contribution in https://github.com/mozilla/sccache/pull/1179
* Alexei-Barnes made their first contribution in https://github.com/mozilla/sccache/pull/1205
* kianmeng made their first contribution in https://github.com/mozilla/sccache/pull/1222
* jspam made their first contribution in https://github.com/mozilla/sccache/pull/1244
* sad-sage made their first contribution in https://github.com/mozilla/sccache/pull/1257
* kateinoigakukun made their first contribution in https://github.com/mozilla/sccache/pull/1176
* drewkett made their first contribution in https://github.com/mozilla/sccache/pull/1273
* mdanilov made their first contribution in https://github.com/mozilla/sccache/pull/958
* majaeger made their first contribution in https://github.com/mozilla/sccache/pull/1292
* tofay made their first contribution in https://github.com/mozilla/sccache/pull/1280
* GMNGeoffrey made their first contribution in https://github.com/mozilla/sccache/pull/1385
**Full Changelog**: https://github.com/mozilla/sccache/compare/v0.3.0...v0.3.1