There aren't substantial changes in this release but as it removes the use of a dependency, it could potentially be a breaking change for someone.
[Bugfix] Google QR Code generation seemed to no longer work due to problems with excessive encoding
[Bugfix] Google Charts have deprecated the use of their QR API, so I've moved to recommending the use of Endroid instead
[Bugfix] composer.json included the cache/filesystem-adapter dependency without actually using it. This has been removed