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Apple Releases Safari Technology Preview 117 With Bug Fixes and Performance Improvements

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Apple today released a new update for Safari Technology Preview, the experimental browser Apple first introduced four years ago in March 2016. Apple designed the Safari Technology Preview to test features that may be introduced into future release versions of Safari.

Safari Technology Preview release 117 includes bug fixes and performance improvements for Web Inspector, CSS, JavaScript, Web Assembly, Web API, Speech Recognition, WebRTC, Media, Web Animations, Scrolling, Scroll Nap, Private Click Measure, and Web Drivers.

The current Safari Technology Preview release is the built on the new Safari 14 update included in macOS Big Sur with support for Safari Web Extensions imported from other browsers, tab previews, password breach notifications, web authentication with Touch ID, and more.

The new Safari Technology Preview update is available for both macOS Catalina and macOS Big Sur, the newest version of the Mac operating system.

The Safari Technology Preview update is available through the Software Update mechanism in System Preferences to anyone who has downloaded the browser. Full release notes for the update are available on the Safari Technology Preview website.

Apple's aim with Safari Technology Preview is to gather feedback from developers and users on its browser development process. Safari Technology Preview can run side-by-side with the existing Safari browser and while designed for developers, it does not require a developer account to download.

Article Link: Apple Releases Safari Technology Preview 117 With Bug Fixes and Performance Improvements
 
Article Link
https://www.macrumors.com/2020/12/10/apple-releases-safari-technology-preview-117/
On my M1 Mac Mini the individual website names/directories on the Favourites Bar often "disappear" after clicking on them. So the black text turns the colour of the background after it's clicked, then you have to hover over it again to bring it back. Not the end of the world but an annoyance to be sure. Today's release of Safari Tech Preview did *not* fix this behaviour. In this screenshot there's a "Tech" directory hidden to the left of the arrow. Really, there is... ;)
 

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MikhailT said:
Looks like they fixed a bunch of scrolling issues finally, it was annoying in the last STP build.

Huh?

No one said otherwise.
Click to expand...
Oh, I was just responding to the last paragraph in the article (should have quoted before):
Apple's aim with Safari Technology Preview is to gather feedback from developers and users on its browser development process. Safari Technology Preview can run side-by-side with the existing Safari browser and while designed for developers, it does not require a developer account to download.
Click to expand...
 
MacRumors said:


safaripreviewicon.jpg
Apple today released a new update for Safari Technology Preview, the experimental browser Apple first introduced four years ago in March 2016. Apple designed the Safari Technology Preview to test features that may be introduced into future release versions of Safari.

Safari Technology Preview release 117 includes bug fixes and performance improvements for Web Inspector, CSS, JavaScript, Web Assembly, Web API, Speech Recognition, WebRTC, Media, Web Animations, Scrolling, Scroll Nap, Private Click Measure, and Web Drivers.

The current Safari Technology Preview release is the built on the new Safari 14 update included in macOS Big Sur with support for Safari Web Extensions imported from other browsers, tab previews, password breach notifications, web authentication with Touch ID, and more.

The new Safari Technology Preview update is available for both macOS Catalina and macOS Big Sur, the newest version of the Mac operating system.

The Safari Technology Preview update is available through the Software Update mechanism in System Preferences to anyone who has downloaded the browser. Full release notes for the update are available on the Safari Technology Preview website.

Apple's aim with Safari Technology Preview is to gather feedback from developers and users on its browser development process. Safari Technology Preview can run side-by-side with the existing Safari browser and while designed for developers, it does not require a developer account to download.

Article Link: Apple Releases Safari Technology Preview 117 With Bug Fixes and Performance Improvements
Click to expand...
I hope they fixed the bug where it warns me about my password being weak, and then shows the actual password on the screen. Bad, bad, bad idea.
 
Big Sur really hurt Safari's performance. I have web sites freezing now that never happened before plus it takes a while for bookmarks to drop because it is taking too long to draw the ugly new website icons
 
MikhailT said:
Looks like they fixed a bunch of scrolling issues finally, it was annoying in the last STP build.

Huh?

No one said otherwise.
Click to expand...
Hmmm...i wait that scrolling to be fixed for months now. I can't really tell that it's fixed.
To check that, go on facebook news feed...and scroll up with a chat opened on the right, and see the lag :)
 
Last edited:
maneta said:
Hmmm...i wait that scrolling to be fixed for months now. I can't really tell that it's fixed.
To check that, go on facebook news feed...and scroll up with a chat opened on the right, and see the lag :)
Click to expand...
I don't use Facebook.

For me, Feedly was stuttering and bounce back up top when I scroll down. This no longer happens in this build. It is possible they didn't fix all of the reported issues but for me, I haven't seen other scrolling issues, just yet.
 
steve333 said:
Big Sur really hurt Safari's performance. I have web sites freezing now that never happened before plus it takes a while for bookmarks to drop because it is taking too long to draw the ugly new website icons
Click to expand...
Really strange since majority of folks are saying Safari 14 on Big Sur was the fastest browser on their Macs (same for me), enough to convince them to switch away from Chrome.

It sounds like there's some kind of configuration in your setup that is harming the performance, rather than Big Sur itself. You've already tried resetting Safari to factory settings?
 
MikhailT said:
I don't use Facebook.

For me, Feedly was stuttering and bounce back up top when I scroll down. This no longer happens in this build. It is possible they didn't fix all of the reported issues but for me, I haven't seen other scrolling issues, just yet.
Click to expand...
looks like it works fine for me also...dunno' what happened, but in the first 5 minutes after the update, i had a bit of lag, but i cleared the cache and etc, seems to work good...for now.
 
Just installed it to see if it improves scrolling perf on sites like Reddit - and it does! In 14 and earlier, scrolling is janky as heck - but it's really nice in tech preview.
 
MikhailT said:
Really strange since majority of folks are saying Safari 14 on Big Sur was the fastest browser on their Macs (same for me), enough to convince them to switch away from Chrome.

It sounds like there's some kind of configuration in your setup that is harming the performance, rather than Big Sur itself. You've already tried resetting Safari to factory settings?
Click to expand...
I switched adblockers but didn't help. Safari was working fine before Big Sur so I see no logical reason for the performance hit, especially the bookmark issue. Click on Bookmark, get a spinning ball, then the icons finally load and I can scroll down to the bookmark I want.
It's killing my enjoyment of a year old Mini

This is in addition to constantly prodding me to sign in even though I already am signed in.
Never been so annoyed with a Mac before.
 
steve333 said:
I switched adblockers but didn't help. Safari was working fine before Big Sur so I see no logical reason for the performance hit, especially the bookmark issue. Click on Bookmark, get a spinning ball, then the icons finally load and I can scroll down to the bookmark I want.
It's killing my enjoyment of a year old Mini

This is in addition to constantly prodding me to sign in even though I already am signed in.
Never been so annoyed with a Mac before.
Click to expand...
You said Safari was working fine on previous macOS version, was that with Safari 14? They did ship it for Catalina too.

Also, you see this same issue with Safari Tech Preview?
 
MikhailT said:
You said Safari was working fine on previous macOS version, was that with Safari 14? They did ship it for Catalina too.

Also, you see this same issue with Safari Tech Preview?
Click to expand...
I don't do the safari tech.
I meant regular Safari, it worked fine before Big Sur
 
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