I've only read the first dozen of so entries of that thread but it's so depressing…
We've been waiting for Apple to include support for the W3C Navigation Timing for a long time so their pissing match over multi-VM support in WebKit because it doesn't conform to standards rings hollow.
A long time? The working draft is dated January this year.
The multi vm discussion was in 2011. If you think supporting dart natively in a browser is a good thing you're either a google employee or have your head too far up googles ass to see they are the new Microsoft and this is/was an attempt no different than vbscript in ie
We've been waiting for Apple to include support for the W3C Navigation Timing for a long time so their pissing match over multi-VM support in WebKit because it doesn't conform to standards rings hollow.