I've reproduced this issue using an affected Nightly build with STR from comment 0, on Win 11. The issue is still repo on latest Nightly 140.0a1 under Win 11.
Bug 1790063 Comment 1 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
I've reproduced this issue using an affected Nightly build with STR from comment 0, on Win 11. The issue is still repo on latest Nightly 140.0a1 (Strict mode - Normal Window) under Win 11. Edited: The issue is not repro with Standard mode in PBM. Seems to be fixed by smartblock.