For those who have been using Catalina, is it going to be the 64-bit only macOS?

Discussion in 'macOS Catalina (10.15)' started by Irishman, Jun 5, 2019.

  1. Irishman macrumors 68030

    Joined:
    Nov 2, 2006
    #1
    everyone knows that Apple is on this developmental roadmap to make macOS 64-bit. I think that we all have been getting the same pop-ups warning that the 64-bit transition is coming and it all sounds very ominous to non-developers like me.

    I'm not too keen on having my 32-bit apps stop working because of whatever number of reasons. With all that said, is there any indication that Catalina is going to be that version, from those who have been using the beta?
     
  2. fisherking macrumors 604

    fisherking

    Joined:
    Jul 16, 2010
    Location:
    ny somewhere
  3. Irishman thread starter macrumors 68030

    Joined:
    Nov 2, 2006
    #3

    Thank you, fisherking. I will be skipping the day-one upgrade that I usually do, until there is some kind of resolution on my question of if and when the apps I'm concerned about get made into 64-bit versions.
     
  4. kis macrumors 68000

    Joined:
    Aug 10, 2007
    Location:
    Switzerland
    #4
    It’s more of an issue of kernel extensions no longer working. That can render your expensive hardware useless if the developers don’t release a 64gb version
     
  5. zorinlynx macrumors 603

    zorinlynx

    Joined:
    May 31, 2007
    Location:
    Florida, USA
    #6
    You'll be fine skipping day-one, month-one, and even year-one upgrades.

    Apple is likely going to support Mojave with security updates for a while because a lot of people can't upgrade due to app compatibility.
     
  6. haralds macrumors 6502a

    haralds

    Joined:
    Jan 3, 2014
    Location:
    Silicon Valley, CA
    #7
    Kernel Extensions have been 64bit since Mountain Lion.
    --- Post Merged, Jun 5, 2019 ---
    All Frameworks and libraries have been "thinned" to 64 bit only. There is no way to run an app in 32 bit mode.
     
  7. Jyby macrumors 6502

    Joined:
    May 31, 2011
    #8
    And Kernel Extensions are not going away until after Catalina
     
  8. ASentientBot macrumors 6502a

    ASentientBot

    Joined:
    Jun 27, 2018
    Location:
    the System suitcase
    #9
    Going away? Kernel extensions are hardware drivers, they are an essential part of the OS. I can't see them ever being removed, although it's possible that many will be rewritten with DriverKit over time.
     
  9. Howard2k macrumors 68020

    Howard2k

    Joined:
    Mar 10, 2016
    #10
    Click on the Apple logo in the top left corner, then About This Mac, then the System Report, and look for Software>Legacy Software. You can then get a good idea of the scope of the issue.
     
  10. Jyby macrumors 6502

    Joined:
    May 31, 2011
    #11
    Sorry I was referring to Kexts... Kexts are going away... Replaced with System Extensions and Driver Kit
     
  11. mzs.112000 macrumors regular

    Joined:
    Apr 22, 2015
    #12
    Kexts are going away? Why?
    Was this mentioned in WWDC?

    Kexts were(and still are), light-years more advanced than anything Windows or Linux has to offer as far as drivers and system modification go. Why would they get rid of them?
     
  12. Jyby macrumors 6502

    Joined:
    May 31, 2011
    #13
    Yes announced at WWDC in one of the sessions. https://developer.apple.com/videos/play/wwdc2019/702/

    They are being replaced with user space extensions that are sandboxed...
     
  13. mzs.112000 macrumors regular

    Joined:
    Apr 22, 2015
    #14
    So, they can do anything kexts can do...
    How does this affect Hackintoshes?
     
  14. KALLT macrumors 601

    Joined:
    Sep 23, 2008
    #15
    Apple didn’t say that kernel extensions (kexts) are going away. Those kexts that can be replicated with DriverKit and other new frameworks (about 75% of kexts according to Apple) won’t work anymore in future releases of macOS. Implicitly, the rest should still be available.
     
  15. Jyby macrumors 6502

    Joined:
    May 31, 2011
    #16

    Yeah thats basically saying Kexts are going away... And if you read my previous posts Kexts are going away after Catalina.
    And they said they are going away during the session if you paid attention.
    --- Post Merged, Jun 5, 2019 ---
    idk Hackintoshes would need to support the new way of doing extensions and driver kit... io kit is also going away
     
  16. KALLT macrumors 601

    Joined:
    Sep 23, 2008
    #17
    No, they are saying that some kexts are going away. They even say that in the future “more” kexts will be deprecated. They don’t say outright that all of them or the functionality itself will be removed at some point.
     
  17. Jyby macrumors 6502

    Joined:
    May 31, 2011
    #18
    Yeah they did- in the summary System Extensions will replace Kexts. Dude watch the session again. I even asked them about it.
     
  18. kis macrumors 68000

    Joined:
    Aug 10, 2007
    Location:
    Switzerland
    #19
    Well, my Mac complained when I installed my Elgato thunderbolt dock’s driver - but I’m not sure which component of it caused the alert
     
  19. Superhai macrumors 6502

    Superhai

    Joined:
    Apr 21, 2010
    #20
    It will take years before Apple will be able to put all kernel extensions into userland. For now system extensions (it surely is a missed opportunity to not abbreviate them sext ;) ) will only be used for USB and network. Both which are easy to abstract into user space interfaces to the kernel. I doubt we will see for example display drivers in userland this year, if ever.

    For Hackintoshes this should not affect them much, on the other hand it will be easier to develop drivers for more exotic peripherals as they will not require the kext-signing-cerificate which only Apple hand out extremely sparingly. Just your ordinary developer cert is necessary.
     

Share This Page

19 June 5, 2019