PBR viewer performance on Apple Silicon—even on high-end Macs—is objectively abysmal. Viewer often drops below 1fps—making it impossible to type, move, edit or select objects, adjust camera, etc.—even with low or absolutely lowest graphics settings. Scenes need not be very complicated for this to happen, but the more complex a scene is, the more likely users will encounter an unusable scenario. • Run a PBR-enabled LL viewer on Apple Silicon • Set graphics to LOW • For giggles, go to a Yavascript pod station and see the results of trying to ride a Pod on mainland roads. Here's one: https://maps.secondlife.com/secondlife/Monowai/8/146/71 . Sit on an available pod, then click it. It will depart in one minute. • Observe the world on LOW RESULT: On LOW, on an M2 Max with 12-core CPU, 38-core GPU (hardly a "potato"): • FPS in World > Improve Graphics Speed peaks at 12 fps • Entire viewer visibly freezes once a second, every second • Any text input (chat, inventory filter, etc.) is significantly delayed such that characters only appear many seconds after they have been typed. • Opening windows (map, inventory, World > Improve Graphics Speed, anything) takes several seconds * At no point are any of the Mac's efficiency or performance CPU cores straining. At all. The GPU, however, is pegged. I can easily direct folks to places where FPS will drop below 1, even if the viewer is somehow reporting 50+ fps. Here, try one: http://maps.secondlife.com/secondlife/Green/37/184/23 . For extra fun, set your graphics to, say, one notch above LOW and try to, I dunno. Walk. Type. Move your camera. I've tried these experiments on several machines, including stock configurations. Results are consistent. LL seems to have stopped permitting logins from its pre-PBR viewers. At this point it is effectively impossible for me to do my work or attend meetings/events in SL on an LL viewer. I doubt I am alone.
