- #Steam for mac os catalina how to
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Buy or renew your Apple Developer Program membership if needed. Log in to with your Apple ID and go to the "Membership" tab. There should be a panel at the top prompting you to enable 2FA. On the Mac, go into iCloud control panel in System Preferences. You can do this from your iDevice or from your Mac. If you don't have it yet, enable two-factor authentication for your Apple ID.
#Steam for mac os catalina free
If you don't have Xcode installed yet, 25 GB of free space to run the install.
#Steam for mac os catalina mac
So it's all kind of a paperwork metaphor.
#Steam for mac os catalina Offline
If notarization succeeds, you "staple" the notarization to your application, so that offline machines without access to the Internet can still verify the notarization. Notarization means that you send your signed application to Apple, who then run additional checks and make a record of your application. More recently, applications also need to be notarized. Signing has been in place for many years. If the contents of the bundle change, the checksum changes, and your signature will no longer match, warning the operating system that the bundle has been tampered with. The signature is a statement from you personally guaranteeing that the application is well-behaved. Signing a bundle means creating a cryptographic checksum of the bundle's content and then creating a cryptographic signature with a certificate that Apple issues to you. In macOS, applications are generally packaged up into bundles, which are folders containing the actual executable as well as additional resources and metadata. Getting a 64-bit executable of your program is the job of whatever compiler or development environment you're using. This article covers signing and notarization.
Please note that this is cobbled-together research to make things work for me and may not be 100% accurate. So here's what I learned about signing and notarization a Mac app that wasn't directly compiled by Xcode. Airships runs in Java and hence also has to bundle a JVM, but the rest of what I learned should be applicable in general.
#Steam for mac os catalina how to
I just went through figuring out how to comply with this for my game, Airships: Conquer the Skies. Until now, games launched from Steam didn't have to be signed or notarized, but now, they have to obey the same rules as everything else.
It's also especially relevant for game developers deploying Mac games on Steam. This is intended to make the experience safer for end-users and prevent the spread of malicious programs, but it does also make things more complicated, especially for people who aren't primarily Mac developers but would like to support or keep supporting Macs. Applications that don't satisfy these requirements will no longer run. With the newest version of macOS, Apple has made mandatory some requirements for applications that were previously recommended: 64-bit executables, signing, and notarization. Post is fully reproduced here - I want to spread the info, not drive traffic to my interwub presence. Feedback Friday Screenshot Saturday Soundtrack Sunday Marketing Monday WIP Wednesday Daily Discussion Quarterly Showcase Related communities 1 For questions, get in touch with mods, we're happy to help you. Free assets OK, be sure to specify license. If you need to use screenshots, that's ok so long as is illustrates your issues.ĭo not solicit employment. Use discord, /r/indiegames, /r/playmygame or /r/gamedevscreens.īe specific about your question. Feedback, praise, WIP, screenshots, kickstarters, blogs, memes, "play my game", twitch streams.