You may want to check if you have one of the app listed here[1] on your system. Electron based apps cause a huge system wide lag on macOS 26 due to the use of

You may want to check if you have one of the app listed here[1] on your system. Electron based apps cause a huge system wide lag on macOS 26 due to the use of a private macOS API[2]. This bug has been fixed in Electron but not all Electron-based apps have been updated yet. [1] - https://avarayr.github.io/shamelectron/ https://avarayr.github.io/shamelectron/ [2] - https://github.com/electron/electron/issues/48311 https://github.com/electron/electron/issues/48311