Highlights from the bug report[1][2]: - HTML spec allows it; says MAY, not MUST [3] - Affects only user pastes, not javascript edits - Affects all input

Highlights from the bug report[1][2]: - HTML spec allows it; says MAY, not MUST [3] - Affects only user pastes, not javascript edits - Affects all input boxes, not just password ones - New preference editor.truncate_user_pastes can restore old behavior As a developer, I personally find the inconsistent behavior of maxLength unintuitive and am surprised a potentially-breaking change like this didn't have more discussion (although, the original bug report was open for 4 years). But as a user, I have some empathy for the team's desire to fix "broken" websites (e.g. where the login page has a shorter limit than the account creation page or backend). [1] https://phabricator.services.mozilla.com/D71689 https://phabricator.services.mozilla.com/D71689 [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1320229 https://bugzilla.mozilla.org/show_bug.cgi?id=1320229 [3] https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#limiting-user-input-length:-the-maxlength-attribute https://html.spec.whatwg.org/multipage/form-control-infrastr...