Despite the version-specific UI changes, the fundamental security model remained unchanged: Tor Browser best practices - Security
: 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
While 11.0 brought modern features, its initial rollout faced several technical hurdles reported by users on the Tor Project Forum : Users were required to migrate to the more
: Some users experienced issues where settings like proxy configurations were not saved correctly or custom UI elements (like userChrome.css ) became garbled. Privacy and Security Context
: One of the most critical technical shifts in the 11.0 series was the complete removal of support for version 2 onion services. Users were required to migrate to the more secure version 3 onion addresses , which offer better encryption and authentication. Post-Launch Stability Issues
: Significant bugs in version 11.0.1 caused many browser extensions to break and led to frequent crashes, particularly on Windows systems.
: These critical stability issues were addressed in rapid follow-up releases, such as 11.0.2 , which focused on resolving the extension and tab crashing bugs identified by the community. Privacy and Security Context