They fixed the MV3 bug a while ago.

README.md

@@ -23,8 +23,3 @@ Icon from: https://iconarchive.com/show/100-flat-icons-by-graphicloads/download-
 - Use the <kbd>Inspect</kbd> badge in the filename field to easily grab text from the page and use it for the filename.
 - A red circle means that the network entry appeared after you filtered the list. A green circle means you have already downloaded the URL (it is in the history list).
 - If you use a Network filter regular expression that have capture groups, then you can reference those capture groups in the filename field with `$1`, `$2`, `$3`, etc.
-
-# MV3 issues
-
-- https://bugs.chromium.org/p/chromium/issues/detail?id=1173497
-- https://bugs.chromium.org/p/chromium/issues/detail?id=1288041