Zed Jun 29, 2020 @ 11:46am
macOS 11 Big Sur support
After updating to the beta of macOS 11 Big Sur, it seems Steam does not recognise it is running on macOS, and therefore refuses to run any game. I've tried running Parkitect from within the steamapps folder, and that does work, indicating the problem originates within the Steam client, not individual games. I hope Steam fixes this issue soon, which is why I've decided to bring it to light here. I hope this is the right place to do so.

p.s. Sadly, for many of my other games (Football Manager 2020, Euro Truck Simulator 2, Hearts of Iron IV), this method does not work as it requires starting the game from within Steam. Does anyone know a quick fix to circumvent this problem for these games, or does such a fix not exist?

UPDATE: fixed in the latest beta! Just enrol in Steam's beta program and force update your client, and play buttons will not be greyed out anymore.
Last edited by Zed; Jul 7, 2020 @ 2:19am
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Showing 16-30 of 63 comments
jlfrye63 Nov 16, 2020 @ 8:24am 
well, it's ok I might try to reinstall it after upgrade to big sur sadly I don't have Catalina os anymore which I already upgraded that from.
K4ri$ Nov 16, 2020 @ 10:19am 
+rep
jlfrye63 Nov 16, 2020 @ 11:36am 
Originally posted by K4ri$_Psychopata:
+rep
it's ok i just got mac mini but they are working on it with mac os big sur the latest operating system as they can.
jlfrye63 Nov 16, 2020 @ 1:58pm 
Originally posted by Cathulhu:
Yeah, they sure did. A job that good, it actually bricks Macbooks.
https://www.dailymail.co.uk/sciencetech/article-8954449/Apples-new-macOS-Big-Sur-bricking-older-MacBook-Pros.html
so the Macbook Pros are having issues? in the older ones that has scissor mechanism keyboards?
Cathulhu Nov 16, 2020 @ 2:03pm 
Not entirely sure which particular models are affected, but something like that should have never made it through QA.
jlfrye63 Nov 16, 2020 @ 2:05pm 
Originally posted by Cathulhu:
Not entirely sure which particular models are affected, but something like that should have never made it through QA.
ok thanks for letting me know we will see if apple or steam will sort it out.
Cathulhu Nov 16, 2020 @ 2:09pm 
Not sure what Valve can do about Apple bricking their own hardware.
jlfrye63 Nov 16, 2020 @ 3:44pm 
Originally posted by Cathulhu:
Not sure what Valve can do about Apple bricking their own hardware.
valve will work on the new update of apple's big sur while apple fix about bricking it's own hardware. my mac mini is 2018 model. just to let you know.
LegoFacsimile Nov 17, 2020 @ 1:05pm 
I also heard that macOS Big Sur tracks you more than macOS Catalina
jlfrye63 Nov 17, 2020 @ 1:46pm 
Originally posted by LegoFacsimile:
I also heard that macOS Big Sur tracks you more than macOS Catalina
hmm is that so i could find any answer to that about it though.
Nemesis Dec 1, 2020 @ 7:58am 
It is now the 1st of December and I am having the same issue. Has anyone found a solution for it?
Nisslbody Dec 8, 2020 @ 10:23pm 
I'm having the same issue, which is really frustrating because I just bought a new game through the website, and now I can't even play it.
Hallux Dec 10, 2020 @ 5:56am 
Originally posted by LegoFacsimile:
I also heard that macOS Big Sur tracks you more than macOS Catalina
That "tracking", from what I understand, is apps "calling home" to Apple when they're opened.

I have to wonder if Apple put that in so they could track app usage to determine when Intel support is no longer needed. What I mean is that when the app "phones home" it reports a signature indicating if it's running on an Intel-based or M1-based Mac and if the app is native Intel or is running emulation to run on Intel or is native Intel and running emulation to run on ARM.

This information would be useful to Apple. I have to wonder if there is any user identification in that reporting or if it's strictly to track developers not making progress on moving to supporting the new architecture.
Any word at all from Steam on when it will work on macOS 11?
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Date Posted: Jun 29, 2020 @ 11:46am
Posts: 63