Should I upgrade to macOS Mojave?

Discussion in 'macOS Mojave (10.14)' started by stevenshaw, Apr 9, 2019.

  1. stevenshaw macrumors newbie

    Apr 9, 2019
    Hi, I own a mid-2014 MPB under High Sierra, which I love. It's not what it used to be, but it's working like a charm!

    I was just wondering if I should switch to Mojave, because I'm prompted to do so and because Xcode requires Mojave...

    Or will it just slow down my Mac to the point it's too slugish, forcing me to buy the new one (we've already seen that with iPhone).

    Thanks for your help, any input appreciated.
  2. maflynn Moderator


    Staff Member

    May 3, 2009
    Is there any features of Mojave that you need or want? personally if you have a well running machine, don't mess with success. I have a 2012 laptop that I have running HS, and I have no desire to upgrade that as I do think it will slow it down or cause more problems.
  3. retta283 macrumors 6502a


    Jun 8, 2018
    Kingman, AZ
    High Sierra should be fine for a while. I'd stay there until all Mojave updates are out, or even wait and see what the next version brings.
  4. Stephen.R macrumors 65816


    Nov 2, 2018
    In general unless you have a reason not to upgrade, I would say go with it - I ran HS on my 2011 MBP17, and the biggest 'issue' I think I have on Mojave (on a 2018 MBP15 and 2018 Mac mini) is apps not being updated for Dark Mode yet :D
  5. MSastre macrumors 6502


    Aug 18, 2014
    I did a clean install when I first upgraded my late 2013 rMBP to HS because of the change to AFPS, and now running Mojave 10.14.4 with absolutely no problems whatsoever. I see no reason not to upgrade.
  6. Fishrrman macrumors P6


    Feb 20, 2009
    OP wrote:
    "Hi, I own a mid-2014 MPB under High Sierra, which I love. It's not what it used to be, but it's working like a charm!"

    If it ain't broke, don't fix it.
    Here's one more vote to just "stay where you are", since everything seems to be still running fine there.

    IF you are determined to plunge forward into Mojave, I STRONGLY SUGGEST that you do the following prior to making the move:
    1. Download either CarbonCopyCloner or SuperDuper (both are free to download and use for 30 days)
    2. Use either CCC or SC to create a bootable clone of your internal drive onto an external drive BEFORE you attempt the upgrade.
    3. Set the cloned backup aside for safekeeping.

    This way, if something "goes wrong" on you, you can then:
    1. Boot from the cloned backup
    2. ERASE your internal drive
    3. RE-clone the contents of the cloned backup (High Sierra) BACK TO the internal drive.
    4. This will get you "back to where you once belonged" with minimal effort.
    If you DON'T take this step before upgrading, you may find yourself "up the creek, without a paddle" to get back down!
  7. MSastre macrumors 6502


    Aug 18, 2014
    If you are using Xcode and it requires Mojave, there is your reason to upgrade. Mojave runs great for me.
  8. treekram macrumors 68000

    Nov 9, 2015
    Honolulu HI
    If you're an active developer using Xcode and making regular app submissions to Apple, you should upgrade to Mojave as support for the latest macOS/iOS versions are many times only available on the Xcode versions which only work on the latest macOS version. If you're using Xcode to do command-line stuff and running make's, or have a more casual usage of Xcode, you can take a more casual approach to upgrading Xcode (and thus the OS).
  9. MisterSavage macrumors 6502a


    Nov 10, 2018
    I got to where I couldn't use my iPhone for testing. Xcode complained that my iPhone was running 12.2 and the existing version of Xcode didn't support that. I had to upgrade to Mojave to upgrade Xcode and it did not go well. I am very thankful for Time Machine.
  10. seankeith90 macrumors newbie

    Jul 9, 2019
    Hi, Cloner apps such as CCC and SuperDuper are able to reinstate back the old OS without any drawbacks?
  11. MSastre macrumors 6502


    Aug 18, 2014
    Yes, they are exact clones of your system at the time you copied it, including the OS.

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