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 Post subject: High Sierra
PostPosted: Fri Sep 22, 2017 2:33 am 
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Joined: Fri Jul 13, 2012 7:21 pm
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Anyone know if SheepShaver works under MacOS High Sierra?


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 Post subject: Re: High Sierra
PostPosted: Fri Sep 22, 2017 9:13 pm 
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I don't know, but I will in 3 days :)

I'm pretty sure we would have heard from beta testers by now if it didn't though. And it's possible we've already had a thread on this from when the DP1 came out.


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 Post subject: Re: High Sierra
PostPosted: Sat Sep 23, 2017 9:59 am 
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If it will work, the existing builds here will only work in 32-bit mode.

I wonder if there will be differences in behaviour on HFS+ or APFS drives, especially regarding preservation or loss of classic Mac file properties when files are moved between guest and host systems. Will things like resource forks or Type an Creator metadata survive on a APFS file system?

(On a Mac with SSD boot drive, the upgrade to High Sierra will convert that drive from HFS+ to APFS.)


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 Post subject: Re: High Sierra
PostPosted: Sat Sep 23, 2017 1:23 pm 
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The beta is public, so there's no reason not to post this image. You can draw your own conclusions, though it may be worth making clear that files dragged from the unix folder to the emulated disk image run as ordinary OS 9 files, with their filetypes recognized. You can also infer this from the fact that they show the correct icons in the unix folder, which is only possible if the resource fork is present.

(The OS 9 system in the picture is my Mac OS 9 app described in the Other SheepShaver Configurations forum.)

Image


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 Post subject: Re: High Sierra
PostPosted: Mon Sep 25, 2017 4:38 pm 
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Yeah; APFS still supports named forks, so resource handling should still work just fine.


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 Post subject: Re: High Sierra
PostPosted: Mon Sep 25, 2017 7:12 pm 
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Quote:
High Sierra will, in Apple's own words, be the last macOS release that can support 32-bit macOS apps “without compromise.” And for apps distributed through the Mac App Store, there are two new dates to add to the timeline:

January 2018: All new apps submitted to the Mac App Store need to be 64-bit only.
June 2018: All new apps and updates to existing apps submitted to the Mac App Store need to be 64-bit only.

Apple hasn’t clarified what “without compromise” means, and presumably 32-bit apps from outside the Mac App Store will continue to run for at least the next year or two (if only via some kind of Rosetta-esque downloadable compatibility layer). But sooner rather than later, Apple is going to strip all the 32-bit libraries, apps, and codes out of macOS, just like it already did in iOS 11 this year.


Looks like October 2018 may be the end of the line for 32-bit SheepShaver on OS X, or it may be the beginning of the end, depending on how Apple handles things.

So we may want to put more energy into either the 64-bit build, or QEMU feature parity, or both.


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