Firefox 144 brings fixes, features, and farewells for 32-bit Linux die-hards

New versions of both Mozilla's browser and its subsidiary MZLA's messaging client are here – with some bad news for users of older kit.

Firefox 144 arrived yesterday, closely followed by its cousin, the messaging client Thunderbird 144. This version of the messaging app is primarily a bug fix release, with no new features mentioned but 28 listed fixes as well as a dozen security fixes.

The new version of Firefox, though, has multiple changes, some of which will be welcome, some you may barely notice, and at least one or two of which we suspect will be quite unpopular with a significant fraction of its users.

Tab groups was a new feature that appeared on April Fool's Day with Firefox 137. Mozilla has been improving the new feature with every release since – arguably ...