Hi Thomas,

Thanks for chiming in and providing the extra info.  Good to know.

I'd like to ask, however, the reasons for planning to remove support for
IE6/7/8?  Why would we do that?  It's already there and doesn't require too
much maintenance.

As of today, nearly 8% of my site's visitors are on IE8 and close to 1% are
still on IE7.  These are pretty big numbers for a high traffic website, and
would translate into lost revenue if the browsers weren't supported.  I
can't imagine Google pulling support for a browser with that kind of usage
for one of its products. .  Here's the full data:
https://docs.google.com/spreadsheet/ccc?key=0AvMlWdpkpAA6dGdpa3lsZTVQWl9qcFJrWmZCZ0ZZb0E#gid=0

Also, as you guys can see from the data, stack emulation is still required
for 54% of my site's traffic.

While I'd like to see users upgrading to the latest browsers as much as any
developer, let's be realistic: WinXP is not going away any time soon
(Microsoft dropping support for it isn't going to make people like my dad
go out and buy a new computer).  Google Analytics is shows that 80% of my
users are on Windows and 21% of those are still on Windows XP: that is a
very big number!



On Thu, May 23, 2013 at 5:13 AM, Thomas Broyer <t.bro...@gmail.com> wrote:

>
>
> On Wednesday, May 22, 2013 11:53:47 PM UTC+2, Alex Epshteyn wrote:
>>
>> Thanks for your comment.  Let me respond to your points:
>>
>> 1) I've seen this point discussed before, and the standard
>> counter-argument is that the spirit of OSS is free as in "freedom," not
>> "beer."  Lots of developers get paid to work on OSS projects.
>>
>> 2) This is actually one of the reasons I'm thinking about raising funds.
>>  I am already on the verge of using my patch inside my own GWT-based app,
>> but if I get some funding I'd be able to justify taking the extra time to
>> make sure the patch will pass the review process.
>>
>
> +1 to those 2 points.
>
>
>>  3) I must point out that your third argument is not in the spirit of
>> GWT, which aims to support as many browsers as possible.
>>
>
> That's not entirely true. GWT only ever supported the 4 major browser
> engines: Trident (IE), WebKit (SquirrelFish / V8; aka Safari / Chromium),
> Gecko (Firefox) and Presto (Opera).
>
> Jens is right: we'll soon remove support for IE6 and 7, and then for IE8
> (not long after MS drops support for WinXP).
> GWT never really "supported" Opera, and the level of support was only
> against the latest version. Now that Opera is moving from Presto to
> Chromium, that means one less platform to support in the very near future
> (by the next GWT release, but we'll probably keep the "opera" permutation
> along for one more release).
>
> As of today, you will not get good stack traces with GWT on any modern
>> browser, including WebKit.  By "relevant information", I assume you mean
>> sourcemaps support.  Well, Chrome is the only browser that currently
>> supports sourcemaps but GWT's existing support for generating stack traces
>> with that information is very buggy, and this is one of the things I'm
>> working on improving.  I'm also not optimistic that sourcemaps will achieve
>> universal support any time soon, if ever.
>>
>
> Chromium has it for a while (hence Chrome –all platforms–, Opera for
> Android –though what matters is the remote debugger, not the browser– and
> Opera.next), and Firefox is starting to roll it out [1,2] in 23 (currently
> Aurora channel) and I'm told the next Safari should have it too [3].
> Will IE ever have it? I believe so, particularly now that MS is pushing
> languages that compile to JS (TypeScript, which can generate sourcemaps).
> Obviously that would only be available in IE11 (or later), but it seems
> like it would be possible to have support in your IDE with the help of an
> IE plugin [4] for IE8/9/10 (would it work in Windows 8 though?)
>
> That said, source maps support in the browser is related to, but different
> from stack trace resymbolization.
>
> [1]
> https://hacks.mozilla.org/2013/05/firefox-developer-tool-features-for-firefox-23/
> [2]
> https://hacks.mozilla.org/2013/05/compiling-to-javascript-and-debugging-with-source-maps/
> [3]
> http://stackoverflow.com/questions/16446114/is-it-possible-to-enable-javascript-source-maps-in-safari-6
> [4] http://wiki.eclipse.org/JSDT/Debug/IE
>
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