I’ve been a long-time professional user of both Thunderbird and Firefox — going back to the Netscape era — and recent updates have introduced several frustrating regressions that slow down everyday workflow. 1. Thunderbird (macOS 15.7.1, v140.3.1 ESR) The long-standing ability to hold down the Delete key to continuously remove messages has been disabled. This was one of Thunderbird’s most practical time-savers when cleaning large folders or reviewing Trash mail. The new single-tap-onl...
