![]() How Do You Reset Safari’s Experimental Features? Another is “Link Sanitizer,” which would presumedly either remove bloat from hyperlink redirects or invalidate hyperlinks for security analysts to avoid opening up malicious content. I’m particularly excited about “Scroll to Text Fragment,” which would make Safari recognize links that highlight specific text within the webpage like Chrome currently does. Many experimental features are useful, like preloading responsive images for faster display, lazy-loading images to reduce bandwidth, and making jump links smoother. ![]() In contrast, the enabled ones are fair game for anyone. However, regular iPhone users can use all of the experimental features just the same.Įxperimental Safari WebKit flags that are disabled by default are still being tested internally by Apple and aren’t always ready for developer use. They can then provide feedback to Apple to help the company refine and eventually implement those features in a future Safari release. Web developers and WebKit engineers benefit the most from Safari’s experimental features menu since they can try out new features in development. Resetting the flags provides a fresh start, but it’s always been a massive headache - until now. If you use them on your iPhone, you can either improve your Safari experience or wreck it. Thus, as I believe Paul previously mentioned, the hang is happening because of a processing jam caused by the VoiceOver app.Safari’s advanced experimental features give you access to new browser initiatives, upcoming web tools, element changes, behavior adjustments, and other preliminary feature tests in development by Apple. I would be inclined to suspect that the not responding message is computer delay having nothing to do with VoiceOver except that there is no apparent change in the processing delay between a 2017 iMac Pro 8 core and a Mac Studio Ultra 16 core. Our sighted neighbors don't see not responding messages, right? Therefore, the message is inserted by VoiceOver. I suspect the not responding message is a courtesy offered by voiceOver for delay caused by voiceOver. Just off the top of my head, I've encountered: We're just no longer getting the "Safari is not responding" announcement. But VoiceOver still seems to lag, indicating that VoiceOver is still doing something horribly inefficient under the hood. I'm no longer able to see any visual content, so can't comment on what's happening visually now. I would think that switching to reader view would be an instantaneous operation, and, back when I could see, the visual switch was indeed instantaneous, even though VoiceOver was telling me "Safari is not responding". However, there does seem to be some lag after pressing Command+Shift+R before VoiceOver can access the reader view content. But I read multiple articles this morning and didn't get that message. Very often, that would generate a "Safari is not responding" message. I would go to the New York Times website, select an article to read, and immediately press Command+Shift+R to switch to reader mode. Here's a typical situation where I would have encountered the problem. But with these recent changes, I didn't receive the message once. After these changes, I did my usual morning web browsing calisthenics, during which I typically encounter "Safari is not responding" multiple times. I checked the enigmatic grouping checkbox, then also upgraded to Mac OS 15.5. ![]() Thanks for this thread, an issue that is near and dear to my heart. *Swap Processes on Cross-Site Navigation. ![]() Quirk to prevent delayed initial painting on sites using Google's Anti-Flicker optimization.*Prefer Page Rendering Updates near 60fps.ansferSize, encodedBodySize, and decodedBodySize.HTML model elements for stand-alone document.*Experimental MediaSource Inline Painting.*CoreImage-Accelerated Filter Rendering.*CSS Gradient Interpolation Color Spaces.Enable built-in WebKit managed notifications.Allow per media element speaker device selection.Some features are irrelevant to us such as animations or HDR media capabilities so no harm having them off. Ones I feel are important to have off and/or make a difference to the speed of safari with VO are marked with *. Ok it took me a while but here are all the experimental features I have turned off.
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