Users are frustrated with frequent and unnecessary user interface changes, which complicate navigation and reduce usability. Approximately 15% of users express dissatisfaction with these changes, leading to a preference for more stable alternatives. Example: "The UI updates make the browser unusable, and there's no tutorial on the new button locations."

Many users experience problems with syncing bookmarks and passwords across devices, which undermines the browser's promise of seamless integration. This issue affects about 10% of users, causing them to lose important data and consider switching browsers. Example: "The new app version does not sync with my info, and I have lost all my passwords and bookmark history."

Users report difficulties with tab management, including accidental closures and cumbersome tab-switching, which disrupts their browsing experience. Around 12% of users are affected by these issues, leading to a decline in user satisfaction. Example: "Swiping to close a tab is now difficult, and the tab-switching experience is cumbersome."

Some users experience performance issues such as lagging, crashing, and slow loading times, particularly on iOS devices. These problems affect approximately 8% of users, prompting them to seek more reliable alternatives. Example: "The app keeps crashing when using Private Browsing, and pages keep being forced back to the top."