: Significant bugs in version 11.0.1 caused many browser extensions to break and led to frequent crashes, particularly on Windows systems.
: The transition to the Proton design refreshed the look of the browser, featuring updated typography, simplified menus, and a more modern tab design. tor-browser-11-0
Despite the version-specific UI changes, the fundamental security model remained unchanged: Tor Browser best practices - Security : Significant bugs in version 11