Zero-copy rasterizer caused reproducible tab crashes on any page with <video> and GPU decoding enabled. This flag is dangerous for general use.
opera:flags is an internal testing menu. Because Opera is built on the Chromium engine, it inherits the "flags" system used by developers to test upcoming features before they are permanently baked into the browser. opera:flags experiments
Opera Software ASA, now a subsidiary of Kunlun Tech, maintains a Chromium-based browser (Opera One, version 100+). Like Google Chrome, Opera inherits the chrome://flags system but rebrands it as opera:flags . This interface exposes hundreds of experimental, deprecated, or in-development features. While intended for developers and testers, many end-users access opera:flags seeking performance gains or feature enablement. Zero-copy rasterizer caused reproducible tab crashes on any
If you enable five flags and Opera stops working, you won’t know which one caused the crash. Test one, browse for a few minutes, and if it works, try another. Because Opera is built on the Chromium engine,
performance-tuning flags for your browser? AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 8 sites Opera improving start-up time with experimental flags François Beaufort. unread, Mar 21, 2014, 10:26:07 AM3/21/14. to chromi...@chromium.org. Not sure everyone saw this but these flags... Google Groups How to Access the Hidden Experimental Settings (Flags) In ... Jul 3, 2025 —