A suspected YouTube interface bug spikes RAM usage above 7 gigabytes, users report severe lag and frozen tabs — bug might be trapping browsers in an endless layout loop

Users are reporting a YouTube interface bug that can push RAM usage past 7GB and cause severe lag or tab freezes.

The issue appears tied to the video controls’ responsive menu logic, which may be stuck in a repeated layout recalculation loop.

Reports on Reddit and browser forums say the problem affects Firefox, Brave, and Microsoft Edge.

A frontend bug on a major platform can strain system resources, disrupt playback, and destabilize popular browsers.