This is being worked on through other bugs and in testing in the experimental Nightly ```.deb```s. (Normal Nightly doesn't have this issue to begin with because it uses our own updater which won't overwrite the in-use files...)
Bug 1705217 Comment 30 Edit History
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This is being worked on for Linux through other bugs and in testing in the experimental Nightly ```.deb```s. (Normal Nightly doesn't have this issue to begin with because it uses our own updater which won't overwrite the in-use files...)