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  1. #5
    Join Date
    Jul 2020
    Posts
    1,925
    Thanks for the detailed reply!

    Ventura has Rosetta2, just as Monterey and Big Sur do. Rosetta2 is the Intel->ARM translation layer. I don’t think Rosetta2 is going away this decade. It’s only an issue for Apple SOC/ARM Macs (currently the M1 and M2 machines), you do not have nor do you have any use for Rosetta2 in Catalina. Unlike Rosetta (the PowerPC->Intel translation layer), Rosetta2 is an Apple product, not a licensed product from a third party. Apple dropped old Rosetta beginning with 10.7 Lion because they didn’t want to pay royalties and that’s a big reason why every OS upgrade since then has been free.

    Perhaps you meant something other than Rosetta? If you meant 32-bit support, that was dropped after 10.14 Mojave. Again, you’ve been on Catalina for a long time so you already don’t have the ability to run old 32-bit bit Mac applications. Unless you’re thinking of something else, I don’t think there is a specific capability or technology you’re going to lose by going to Ventura. That doesn’t mean there may not be some software incompatibilities, that’s why it’s a good idea to set up a test volume to try out a major new OS (especially if that new OS is 3 upgrades past your current OS) before applying the new OS as an update to your current boot volume.

    edit: 32-bit support is why I keep a boot volume with MacOS 10.14 Mojave ready to go on my main workstation (a 2019 21.5" iMac). There are a couple of games that I own which are 32-bit and have never and will never be upgraded to 64-bit. They are all available as Windows applications and can (probably) run in Crossover but I don't want to purchase them again because, to be honest, I may never play them again and if I do it won't be very much. More importantly, there are two 32-bit Mac applications which I use for business which are never going to get a 64-bit Mac version and have no Windows counterparts so I reboot to Mojave when I need to use them – which is very, very rarely nowadays. I could replace them with a couple of close-enough modern applications but I am a cheapskate so... until I can't use them because I get rid of all my Macs that can boot Mojave, I'll probably keep using them. 9/10 times I reboot to Mojave for the last 2.5 years it's been to test something related to LOTRO rather than for anything else, though. If I weren't playing LOTRO, or even if I were but if I weren't trying to help people with older systems here in the Mac Technical Support forum, I'd probably get rid of it. After archiving the contents, of course! But mainly for the games, even through I don't know if I'll ever play them again.
    Last edited by Tralfazz; Mar 07 2023 at 10:22 AM.

 

 

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