Can anybody provide some more details on what would be required to finish this 
work of getting XQuartz off libXplugin?  I would love to help, if I can.

Thanks,
John


> Begin forwarded message:
> 
> From: Filhol Alain <fil...@ill.eu>
> Subject: Re: Is XQuartz development abandoned?
> Date: August 30, 2018 at 2:51:01 PM PDT
> To: x11-us...@lists.apple.com
> Reply-To: fil...@ill.fr
> 
> Here the answer I got from Jeremy Huddleston Sequoia on 02 Feb 2017.
> I think we can be real pessimistic concerning X11 on macOS.
> 
>> [AF] A question about slow dialogues with OpenMotif and XQuartz (much slower 
>> than with Linux).
>> 
>> [JHS] <jerem...@freedesktop.org <mailto:jerem...@freedesktop.org>>
>> There is a known issue there, I believe with Yosemite and newer versions of 
>> macOS (maybe Mavericks+, maybe ElCap+, I forget exactly).  The issue is 
>> below us in CoreGraphics and won't really be fixed on Apple's side as doing 
>> so would fix this case but cause bad performance penalties for every single 
>> other case out there.  The real solution is to get XQuartz off of libXplugin 
>> and start using more modern macOS APIs (eg: finishing up libxcwm), but 
>> there's not really anyone actively working on that right now.
>> 
>> [AF] Are you the only one involved in XQuartz developments ?
>> 
>> [JHS] Yes, and I spend significantly less than 1% of my time on it ... 
>> barely enough to just pull in upstream changes, build, and ship.
>> 
>> [AF] [...] but people are reluctant in using them on Macintoshes because of 
>> that problem of slowness.
>> 
>> [JHS] If you're interested in working on the replacement, I can point you in 
>> the right direction.  It's maybe 60% done ... all by a group of college 
>> seniors at PSU.
>> 
>> --Jeremy
> 
> 
> Alain

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