[SOLVED] Recent Thunderbird Update May Have Incorrect UI Scaling

Due to a maintainer oversight, the recent Thunderbird (thunderbird) v115.2.2 update may come with excessively small and dense UI. This was caused by incorrect font and layout configuration overrides in the package. We will release a v115.2.2-1 update in short order to address this issue, you would not need to change any settings.

— Mingcong Bai