You can read about it in the article from PCMag here. I've copied and pasted everything in the article here to save people a click. While this doesn't affect me personally I'm sure it affects some of you out there.

"Steam is the number one destination for digital PC games, so its support of Linux is key, but official support for Ubuntu is set to end with the release of Ubuntu 19.10.

As Engadget reports, news of support being dropped was made official by Pierre-Loup Griffais, a developer at Valve, by way of a tweet.

Ubuntu 19.10 and future releases will not be officially supported by Steam or recommended to our users. We will evaluate ways to minimize breakage for existing users, but will also switch our focus to a different distribution, currently TBD.

— Pierre-Loup Griffais (@Plagman2) June 22, 2019

The reason for support being dropped is due to Canonical's decision to cease 32-bit updates in the operating system. It was originally reported that support for 32-bit applications was ending in Ubuntu, but as OMG! Ubuntu! reports, Canonical has since clarified that updates are being dropped, not support, and that the i386 libraries will simply be frozen going forward.

As Griffais' tweet explains, Valve will attempt to minimize breakages when support ends, but Ubuntu users may end up with Steam games that no longer work correctly. However, there is the option of switching to an alternative Linux distribution which continues to support 32-bit updates, be that just for gaming or as a complete switch away from Ubuntu. It will be annoying to do so, but at least there's no cost involved. Valve will also be a guide as it intends to focus on an alternative Linux distribution, which will be revealed in the near future hopefully."

UPDATE

Valve has responded and they have stated that it seems likely that we will be able to continue to officially support Steam on Ubuntu. There's a lengthy post on the Steam discussion boards by Pierre-Loup Griffais one of the developers of Artifact. You can read it here

4 years ago*

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4 years ago
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That's sad, I know many people that use Ubuntu. I used a lot too, but now I'm with Arch Linux and use my notebook only for coding.

The best OS for gaming is still Windows, I hope Valve give us a good alternative soon (Gaben doesn't like Windows and most of the Linux distributions are not for beginners, hard challenge for Valve).

4 years ago
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Interesting. It's something we small "developers" will have to take in consideration, as so far Ubuntu was default Linux support offered, and many "engines" have tools to compile for Ubuntu only... and hope it will work on, let's say Arch (it usually does, might need to install libs).

For example, I think GMS2.x switched to 64bit only Linux binaries a while ago, not sure about GMS1.4. That means a new game you're making today will be 64bit... (or DX11 on Windows), but going back to update an older title, while keeping the system requirments the same, you're forced to use the older tool.. and old Ubuntu stable... and now with all of that... game might not work after all because new Ubuntu won't run 32bit? Afaik, it will, libs will just be frozen and not updated anymore, but that is the first step to remove them completely in the future (which I don't disagree all in all, it's a natural progression, PC's are 64bit for more than a decade now).

4 years ago
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the only game I have installed is 32bits is the rocket league

4 years ago
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As a Linux gamer, I'm reserving judgement and not panicking yet. Ubuntu has always been a fallback when some game that advertised Linux support didn't quite work properly. Since Valve endorsed SteamOS and Ubuntu I expect the game to work on one of those. I do not expect a developer to support the gazillion distros that are out there, nor do I think it is reasonable for others to do so.

If Ubuntu do not back-track on this decision, then I fully expect the community to step up (including Valve) and provide a solution.

4 years ago
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Install Gentoo

4 years ago
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Odd. I just read on slashdot on the newstitle just now saying:
Ubuntu Reverses Decision, Says It Will Continue To Support 32-bit Packages (due to feedback from gamers)
So it should stay as it was all along.

4 years ago
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Happy cake day!

Also, that is a nice bit of news!

4 years ago
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4 years ago
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I didn't get any notifications about this post or ones after it till Doshmaku posted about an hour ago or I would of updated. Thank you for posting though.

4 years ago
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I'm betting on Manjaro.

4 years ago
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It sure is somewhat sad, but was Ubuntu ever really supported anyway? I tried Steam on it once, it was just horrible.

4 years ago
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Yeah. It works perfectly and with Proton you can play 99% of Windows catalogue

4 years ago
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Apparently the decision has been reversed, however this kind of short-sighted "everybody must do exactly as we say, because we know better and never make mistakes" decision making is sadly typical of the Linux world, from Linus "I'm a genius, and so funny" Torvalds and down.

Signed, a Linux user in some capacity for longer than I care to share.

4 years ago
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Oh noes, an entire 0.27% of the user base may not be able to use Steam any more!

4 years ago
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Admittedly I chuckled. Well done.

4 years ago
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4 years ago
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😂 If there was a way to feature comments like you can on Disqus I would feature this one.

Now I must find me something to clean up the coffee I spewed when I was reading this and couldn't hold back the laughter.

4 years ago
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4 years ago
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I've updated the OP with the link, tyvm.

4 years ago
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well Ubuntu is my 2ndary OS, time to move to other distrib I guess

4 years ago
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Closed 1 year ago by FateOfOne.