Merge pull request #670 from NixOS/release-0.19.2

Release 0.19.2

Merge pull request #661 from NixOS/release-0.19.1

Release 0.19.1

Merge pull request #653 from NixOS/release-0.19.0

Release 0.19.0

Release 0.15.5

I think this the last round of backports for now -- I see no other easy
and obviously-safe things to cherry-pick.

Fix version in change log

Cut release

Release 0.15.2

Very minor, just a build system thing. See change log.

Release 0.15.1

Merge #491

491: tests: use proper exit code to mark tests as skipped r=Mic92 a=Mic92



Co-authored-by: Jörg Thalheim <joerg@thalheim.io>

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