When a new version of Firefox comes out, I always like to find the oldest bug that it fixes. It looks like the winner this time is a 12-year-old bug affecting M

When a new version of Firefox comes out, I always like to find the oldest bug that it fixes. It looks like the winner this time is a 12-year-old bug affecting MathML: https://bugzilla.mozilla.org/show_bug.cgi?id=21479 https://bugzilla.mozilla.org/show_bug.cgi?id=21479 Also fixed is this 7-year-old bug that has annoyed me for years: https://bugzilla.mozilla.org/show_bug.cgi?id=254714 https://bugzilla.mozilla.org/show_bug.cgi?id=254714 (When you open a link in a new tab, the new page's URL doesn't appear in the Location Bar until the page loads.)