Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: New => Confirmed
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The backslash is being treated as an escape character for the enclosing
string. Needs to be replaced with two backslashes to produce an actual
backslash IN the regex.
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downgrading python3-276 to python3-271 helped! since then GTK is opening
up again.
https://discourse.ubuntu.com/t/spec-apt-deb822-sources-by-default/29333
fthx
Feb 16
FYI I did revert to this one: