Sequoia 15.5??
Moderator: James Steele
Sequoia 15.5??
How are things with the 15.5 update? Has anyone taken the plunge?
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Mac Mini M4* 24 gigs RAM* OS 15.5* DP 11.34* MOTU M4* Scuffham S-Gear* Sibelius*
Xfer Records Serum 2 & Nerve* u-he Zebra2 & Hive* NI Komplete 13* Korg Legacy Collection*
M-Audio Oxygen Pro 61* Presonus Central Station* Dynaudio BM5a* Audiio-Technica ATH-M40x & Grado SR225 Headphones
- mhschmieder
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Re: Sequoia 15.5??
How strange; my computer asked me to update to 15.4.1 this morning, and has not alerted me to 15.5.
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- mikehalloran
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Re: Sequoia 15.5??
Yeah... Bugs that I've reported to Apple already have not been fixed.
None of my bread 'n' butter apps show any change except a minor PowerPoint issue that is no longer present but the workaround was easy so there's no real change to my workflow.
DP 11.34; 828mkII FW, micro lite, M4, MTP/AV USB Firmware 2.0.1
2023 Mac Studio M2 8TB, 192GB RAM, OS Sequoia 15.4, USB4 8TB externals, Neumann MT48, M-Audio AIR 192|14, Mackie ProFxv3, Zoom F3 & UAC 232 32bit float recorder & interface; 2012 MBPs (x2) Catalina, Mojave
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IK-NI-Izotope-PSP-Garritan-Antares, LogicPro X, Finale 27.4, Dorico 5, Notion 6, Overture 5, TwistedWave, DSP-Q 5, SmartScore64 NE Pro, Toast 20 Pro
Re: Sequoia 15.5??
I just did 14.7.6. Nothing to report. I'll wait and see when the updates run out.
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- James Steele
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Re: Sequoia 15.5??
I'm on 15.5 and seems pretty drama-free so far!
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Mac Studio M1 Max, 64GB/2TB, macOS Sequoia 15.5, DP 11.34, MOTU 828es, MOTU 24Ai, MOTU MIDI Express XT, UAD-2 TB3 Satellite OCTO, Console 1 Mk2, Avid S3, NI Komplete Kontrol S88 Mk2, Red Type B, Millennia HV-3C, Warm Audio WA-2A, AudioScape 76F, Dean guitars, Marshall amps, etc., etc.!
Re: Sequoia 15.5??
Since upgrading my older Ultralite Mk3 has started to crash the mac mini sporadically.
Its happened 3 times now and have raised an issue with Motu support but doubt I will get anywhere with them other than the usual, reinstall and try again.
Doesn't happen when Ableton is using it, it seems to occur when the machine goes to sleep or goes into a power down state.
Everytime I come back to the mac its restarted. Even if the hardware is not turned on. Seems the kExt is having issues with 15.5.
So if your running an older device I wouldn't upgrade right now.
Its happened 3 times now and have raised an issue with Motu support but doubt I will get anywhere with them other than the usual, reinstall and try again.
Doesn't happen when Ableton is using it, it seems to occur when the machine goes to sleep or goes into a power down state.
Everytime I come back to the mac its restarted. Even if the hardware is not turned on. Seems the kExt is having issues with 15.5.
So if your running an older device I wouldn't upgrade right now.
- mikehalloran
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Re: Sequoia 15.5??
No one is going to say that you aren't having a problem but, without more information, no one is going to know what that might be. My old 828mkII FW uses the same driver and if the kExt (whichever one that is) is causing the grief, I should be experiencing it, too.mb-3000 wrote: ↑Thu May 15, 2025 9:44 pm Since upgrading my older Ultralite Mk3 has started to crash the mac mini sporadically.
Its happened 3 times now and have raised an issue with Motu support but doubt I will get anywhere with them other than the usual, reinstall and try again.
Doesn't happen when Ableton is using it, it seems to occur when the machine goes to sleep or goes into a power down state.
Everytime I come back to the mac its restarted. Even if the hardware is not turned on. Seems the kExt is having issues with 15.5.
So if your running an older device I wouldn't upgrade right now.
You should be using this driver found under Downloads for the UltraLite Mk3 Hybrid:
Driver Supports
MOTU Audio Installer
Mac v89555 | Oct. 13, 2021
macOS 14, macOS 13, macOS 12, macOS 11
DP 11.34; 828mkII FW, micro lite, M4, MTP/AV USB Firmware 2.0.1
2023 Mac Studio M2 8TB, 192GB RAM, OS Sequoia 15.4, USB4 8TB externals, Neumann MT48, M-Audio AIR 192|14, Mackie ProFxv3, Zoom F3 & UAC 232 32bit float recorder & interface; 2012 MBPs (x2) Catalina, Mojave
IK-NI-Izotope-PSP-Garritan-Antares, LogicPro X, Finale 27.4, Dorico 5, Notion 6, Overture 5, TwistedWave, DSP-Q 5, SmartScore64 NE Pro, Toast 20 Pro
2023 Mac Studio M2 8TB, 192GB RAM, OS Sequoia 15.4, USB4 8TB externals, Neumann MT48, M-Audio AIR 192|14, Mackie ProFxv3, Zoom F3 & UAC 232 32bit float recorder & interface; 2012 MBPs (x2) Catalina, Mojave
IK-NI-Izotope-PSP-Garritan-Antares, LogicPro X, Finale 27.4, Dorico 5, Notion 6, Overture 5, TwistedWave, DSP-Q 5, SmartScore64 NE Pro, Toast 20 Pro
- stubbsonic
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Re: Sequoia 15.5??
I just noticed that OS 15.5 is now available for me to download and install. I'm hesitant.
The RME Fireface is still hanging in there, but I have to quit TotalMix every time I boot up (every day). Who knows if 15.5 will make it worse. I feel confident that it WON'T make it any better.
The RME Fireface is still hanging in there, but I have to quit TotalMix every time I boot up (every day). Who knows if 15.5 will make it worse. I feel confident that it WON'T make it any better.
M1 MBP; OS 15.3, FF800, DP 11.33, PC3K7, K2661, iPad6, Godin XTSA (w/ SY-1000), 2 Ibanez 5-string basses (1 fretted, 1 fretless), FX galore
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- Rick Cornish
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Re: Sequoia 15.5??
For those of you who've updated to macOS 15.5—have you had any issues with Finale?
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- stubbsonic
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Re: Sequoia 15.5??
I had no trouble launching Finale 27.4.1.146 and opening a couple scores (one small and one big). Hit play and everything seemed to playback as expected. Seems fine.
Is there something specific I should test out?
Is there something specific I should test out?
M1 MBP; OS 15.3, FF800, DP 11.33, PC3K7, K2661, iPad6, Godin XTSA (w/ SY-1000), 2 Ibanez 5-string basses (1 fretted, 1 fretless), FX galore
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- Rick Cornish
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Re: Sequoia 15.5??
Thanks, Stubbsonic! Just looking for some encouragement before I upgrade.stubbsonic wrote: ↑Tue May 20, 2025 1:29 pm I had no trouble launching Finale 27.4.1.146 and opening a couple scores (one small and one big). Hit play and everything seemed to playback as expected. Seems fine.
Is there something specific I should test out?

Rick Cornish
DP 11 on M2 Mac Studio (64gB mem. + 2tB int. SSD + 4tB and 2tB ext. SSDs). VIs from MOTU, Spectrasonics, NI, UVI, 8dio, Soniccouture, East West, Spitfire, Heavyocity, Vir2, and more; plus Waves 14, Brainworx, iZotope, Wavesfactory, Oeksound, Final Mix, JST, SPL, PSP, UVI, Valhalla DSP, and other FX plugs, Roland A-88, Apogee Quartet, iCON Platform Nano, Genelec 1032a and Westlake BBSM4 monitors, Gibson HR Fusion III. rickcornish.net
DP 11 on M2 Mac Studio (64gB mem. + 2tB int. SSD + 4tB and 2tB ext. SSDs). VIs from MOTU, Spectrasonics, NI, UVI, 8dio, Soniccouture, East West, Spitfire, Heavyocity, Vir2, and more; plus Waves 14, Brainworx, iZotope, Wavesfactory, Oeksound, Final Mix, JST, SPL, PSP, UVI, Valhalla DSP, and other FX plugs, Roland A-88, Apogee Quartet, iCON Platform Nano, Genelec 1032a and Westlake BBSM4 monitors, Gibson HR Fusion III. rickcornish.net
- mikehalloran
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Re: Sequoia 15.5??
None. A few had issues that were solved by reinstalling.Rick Cornish wrote: ↑Tue May 20, 2025 9:49 am For those of you who've updated to macOS 15.5—have you had any issues with Finale?
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2023 Mac Studio M2 8TB, 192GB RAM, OS Sequoia 15.4, USB4 8TB externals, Neumann MT48, M-Audio AIR 192|14, Mackie ProFxv3, Zoom F3 & UAC 232 32bit float recorder & interface; 2012 MBPs (x2) Catalina, Mojave
IK-NI-Izotope-PSP-Garritan-Antares, LogicPro X, Finale 27.4, Dorico 5, Notion 6, Overture 5, TwistedWave, DSP-Q 5, SmartScore64 NE Pro, Toast 20 Pro
2023 Mac Studio M2 8TB, 192GB RAM, OS Sequoia 15.4, USB4 8TB externals, Neumann MT48, M-Audio AIR 192|14, Mackie ProFxv3, Zoom F3 & UAC 232 32bit float recorder & interface; 2012 MBPs (x2) Catalina, Mojave
IK-NI-Izotope-PSP-Garritan-Antares, LogicPro X, Finale 27.4, Dorico 5, Notion 6, Overture 5, TwistedWave, DSP-Q 5, SmartScore64 NE Pro, Toast 20 Pro
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Re: Sequoia 15.5??
Thank you, sir. Updating tonight.mikehalloran wrote: ↑Tue May 20, 2025 7:09 pmNone. A few had issues that were solved by reinstalling.Rick Cornish wrote: ↑Tue May 20, 2025 9:49 am For those of you who've updated to macOS 15.5—have you had any issues with Finale?
Rick Cornish
DP 11 on M2 Mac Studio (64gB mem. + 2tB int. SSD + 4tB and 2tB ext. SSDs). VIs from MOTU, Spectrasonics, NI, UVI, 8dio, Soniccouture, East West, Spitfire, Heavyocity, Vir2, and more; plus Waves 14, Brainworx, iZotope, Wavesfactory, Oeksound, Final Mix, JST, SPL, PSP, UVI, Valhalla DSP, and other FX plugs, Roland A-88, Apogee Quartet, iCON Platform Nano, Genelec 1032a and Westlake BBSM4 monitors, Gibson HR Fusion III. rickcornish.net
DP 11 on M2 Mac Studio (64gB mem. + 2tB int. SSD + 4tB and 2tB ext. SSDs). VIs from MOTU, Spectrasonics, NI, UVI, 8dio, Soniccouture, East West, Spitfire, Heavyocity, Vir2, and more; plus Waves 14, Brainworx, iZotope, Wavesfactory, Oeksound, Final Mix, JST, SPL, PSP, UVI, Valhalla DSP, and other FX plugs, Roland A-88, Apogee Quartet, iCON Platform Nano, Genelec 1032a and Westlake BBSM4 monitors, Gibson HR Fusion III. rickcornish.net
Re: Sequoia 15.5??
Updated to 15.5 today - didn't take as long as I'd thought. Add me to the "everything's fine nothing to see here" category.
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Re: Sequoia 15.5??
Looks good here, although extensive use will happen starting Saturday.