Backport of "Initialize debug categories before usage" into 1.16
Backport of !115 (merged) "Initialize debug categories before usage".
~~Needs manual intervention, cherry-picking failed!~~`
Commits:
Edited by Tim-Philipp Müller
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Backport of !115 (merged) "Initialize debug categories before usage".
~~Needs manual intervention, cherry-picking failed!~~`
Commits: