Apple Releases Safari Technology Preview 6 With Bug Fixes and Feature Tweaks

I haven't downloaded any version of this, what are the main differences between this and regular Safari?

It's really fast and has the new JS6 commands

But if the version or build number is always outdated for sometimes more than a week it is only for people who are not using OS X betas. Or am I wrong? It even states it is only for 10.11.4 and 10.11.5 like I just posted. But there is always this second build number what looks newer...

I always switched back when a new OS X beta was released and had to wait for the new Technology Preview. The only difference I recognized was that it broke the 1Password extension in the third version I think.

Hoping for Safari 10 on Monday now. :) Or might there even be a new Browser like Edge? ;) The nightly version from webkit.org has still the same build number as the normal Safari. Normally it's always newer than the Technology Preview.

It should not be used as main browser. It is for us programmers and web designers to test web apps, to make sure they are compatible and working when it will be released and it is not guaranteed to be stable or work with password apps.
That said the version number XXWWW.Z the first two digits are 11 for El Capitan, next are the webkit version. The second number should start with 12WWW as it's compatible with next Mac OS X, but I don't know why it doesn't.

I haven't downloaded any version of this, what are the main differences between this and regular Safari?

There's not really any user facing changes, instead it's mainly better web standards support, for changes see:

Nearly 100% ES6 (or JS6, or ES2015, or whatever) - http://kangax.github.io/compat-table/es6/ (load this in Safari Technical Preview, and then look for Safari 9 which is at 53%)

and a general mix of web standards - http://caniuse.com/#compare=safari+9.1,safari+TP

I haven't downloaded any version of this, what are the main differences between this and regular Safari?

I think it's always just a newer build of Safari maybe with the Develop and/or Debug menu enabled by default. But it comes too late for the betas and I can enable those menus in the normal Safari too. It would be no problem to switch every time if the settings and extensions will sync too, but they don't. Only bookmarks and tabs over iCloud.


? o_O


I will install it now again and have a look at the version and build numbers.
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It's again just slightly newer build and comes too late for beta testers. The Develop menu is there by default, what you can enable in the normal Safari too. But the Debug menu is missing and all my settings and extensions.

Does any one know what the second build number means?