I didn't directly test this (no activity atm), but as in #1459, with the Tumblr language set to 繁體中文 (台灣), translate('Activity') yields 動態, but the activity button label is 活動心電圖, so the "Hide the Activity notification badge" tweak is ~almost certainly~ broken.
Platform
~untested~ MacOS 14.4.1 arm64
Browser
~untested~ Chrome 125.0.6422.77
Addon version
~untested~ 0.23.6 + dev commits
Details
I didn't directly test this (no activity atm), butas in #1459, with the Tumblr language set to 繁體中文 (台灣),translate('Activity')yields動態, but the activity button label is活動心電圖, so the "Hide the Activity notification badge" tweak is ~almost certainly~ broken.