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No bug in the latest version (0.22) Rated 5 out of 5 stars
Finally, after disabling all add-ons, I have reactivated all, one by one (or more precisely two by two) starting with ImageTweak and the bug has mysteriously disappeared! --- (I remind you what was the original problem: "since the last update (version 0.22), it is impossible to close the first tab") --- Now, there is no problem.This review is for a previous version of the add-on (0.22.1-signed). This user has a previous review of this add-on.