Build Identifier: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b10pre) Gecko/20110113 Firefox/4.0b10pre ID:20110113030355 After landing of Bug 585253 - Submenus in Firefox Button should be larger (localized strings are not fully displayed), Width of Bookmarks / History menupopup is too wide. I believe that this is not intentional. Reproducible: Always Steps to Reproduce: 1. Start Minefield with new profile 2. Add Bookmark with long name. 4. Pop up any bookmarks Actual Results: Bookmarks / History menu popup is too wide Expected Results: Width of Bookmarks / History menu popup should be as same as before (2011-01-12 nightly) Regression window(cached hourly): Works: http://hg.mozilla.org/mozilla-central/rev/f9537a28ce19 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b10pre) Gecko/20110112 Firefox/4.0b10pre ID:20110112150051 Fails: http://hg.mozilla.org/mozilla-central/rev/8b7333bb30b5 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b10pre) Gecko/20110112 Firefox/4.0b10pre ID:20110112155450 Pushlog: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=f9537a28ce19&tochange=8b7333bb30b5

If this change is intentional, The max width of menupopup should be localized.

This was intentional. I don't think we will fix it for Firefox 4.

Not a chance we'd block on this.