* Fix#15669: always populate instance map even if it was empty
* Fix some tests
* Fix more tests
* Newsfile
Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>
* CI fix: don't forget to update apt repository sources before installing olddeps deps
* Add test testing the backwards compatibility
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Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>
Additionally:
* Consistently use `freeze()` in test
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Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
Co-authored-by: 6543 <6543@obermui.de>