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Warning! macOS 15.4 update breaks Rocksmith Remastered

For anybody running Rocksmith on a recent Mac. Be aware that recent update to latest macOS 15.4 breaks the Rocksmith.

Rocksmith will crash on start, and it seems currently no fix is available. Repair or reinstall is not helping. Considering it is out of support, and has been replaced with cut down no dlc Rocksmith Learn and Play just recently, this is potentially permanent situation and may lock you out of all your dlc cdlc forever on recent Macs.

Really bad, as the steams drops support on older macOS versions as well, so I just recently switched to newer Mac because the old one was dropped from Steam support.

 

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    • ichocobo
      ichocobo

      I've received pretty much the same response as you: "A specialized team is looking into it to solve it ASAP, as it is an important issue for us." I guess the more complaints they get, the more tr

    • ichocobo
      ichocobo

      I've finally got it working using this DLL instead:      Haven't tried the true tone cable since I always play plugged to my axeFX instead, but I'll give it a try later to see if it wo

    • uberdown
      uberdown

      I opened a support ticket with Ubisoft directly on April 3rd. we had a couple messages back & forth with no real progress; last night  they asked me if I was still having issues with the game, to

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    On 11/12/2025 at 4:04 AM, jsowers said:

    How about 26.1? Anyone on that and good to go?

    Yeah, it works. Nothing to worry about.

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    I see Tahoe is working well for several people, is this on intel or apple silicon (m* chips)?
    I want to make sure my Intel Mac Pro will still run Rocksmith before upgrading...

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    On 10/11/2025 at 11:57 PM, Doc_echo92 said:

    RS is opening up with  Mac OS Tahoe for me, and I can play bought DLC or songs organic to the game.  Seems like if I try to play any of the CDLC, though, the game lets me tune the guitar, but then never loads and eventually crashes.  Anyone else having this issue or found a fix for this?

     

    I have the same problem.

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    • 2 weeks later...
    On 11/28/2025 at 6:58 PM, katzoff said:

    never loads and eventually crashes.  Anyone else having this issue or found a fix for this?

     

    I have the same problem.

    mine stutters alot now I'm on the latest version of Mac OS

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