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    1. Hervé Added by Hervé Hervé
      Released July 15th, 2020.
      Build 19G73.
       
      This is most probably the last major update for Catalina with only Supplemental Updates or Security Updates to follow. Safe to install on our Hacks without specific issues or surprises to expect. Blessing issue remains for those of us who experience it since 10.15.5 and this requires a reset of NVRAM to avoid. Failing that, 10.16.5 still installs Ok but the temp update partition remains until the macOS Install Data folder located in /System/Volumes/Data is manually deleted.
       

       

       

       
      Security updates 2020-004 for High Sierra (17G14019) and Mojave (18G6020) released at the same time.
       
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    2. Hervé Added by Hervé Hervé
      Following the release of GM version a few days ago, Catalina 10.15 was released Monday October 7th, 2019.
      https://www.apple.com/macos/catalina/
       
      Build is 19A583. It is available off the AppStore for download. Those who run on beta versions through the beta enrolment program should probably 1st revert to default mode before attempting to download as the new macOS version may not be otherwise be offered.
       

       

       

       
      Our 1st few guides have just stared to roll in so we invite everyone to bring in their new contributions.
       
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    3. Hervé Added by Hervé Hervé
      Released March 24th, 2020.
       
      Watch out folks as this update can be problematic on Skylake and later platforms. Update Lilu + WEG kexts to latest available versions and Clover to r5107 before initiating the update. If you cache your kexts from /L/E (or /S/L/E), remember to also update the kexts in the E/C/k/O of your EFI partition as the temporary update partition boots only with kexts injection. Faking a different CPUID should no longer be required but boot parameters -lilubetaall and/or -disablegfxfirmware may be so until the update has fully completed.
       
      I've also noticed that 10.15.4 no longer supports XCPM on my Ivy Bridge laptop (Latitude E6230) so it's back to generated CPU power management SSDT + AICPUPM patch.
       

       

       

       
       
      At the same time Safari 13.1 + Security Update 2020-002 were released for Mojave 10.14.6 and HIgh Sierra 10.13.6.
       
       Warning to all those who run Catalina on officially unsupported graphics platforms (eg: 1st gen Intel HD, Intel HD3000, nVidia Tesla), the patches/tricks previously used to gain OpenGL-only graphics acceleration no longer work in 10.15.4. As such, stick to 10.15.3 for the time being!
       
       
      Edit: April 8th, 2020
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      Unsurprisingly, Apple issue a 10.15.4 Supplemental update today. This brings 10.15.4 to Build 19E287. Looks safe to install on all systems running Clover r5107. Had trouble on Latitude E6230 running with Clover r5108 (and reverted to r5107).
       

       

       

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    4. Hervé Added by Hervé Hervé
      Released May 26th, 2020.
      Build 19F96.
       
      Seems safe to install on our Hacks. Ended up with a macOS could not be installed on your computer error message on the Latitude E6230 and 7490 laptops due to bless tool being unable to set the boot disk. But these are like false alarms because the Catalina partitions of those Hacks remained bootable and were properly updated to 10.15.5. The macOS Install Data folders in /System/Volumes/Data, however, had to be manually removed to get rid of the temp partition so, clearly indicative of a minor problem in fully completing the update at the end of the process.
       
      As for 10.15.4, refresh Lilu + WEG kexts and Clover to latest available versions (v1.4.4, v1.3.9 and r5118 at time of writing) before initiating the macOS update. If you cache your kexts from /L/E (or /S/L/E), remember to also update the kexts in the E/C/k/O folder of your EFI partition as the temporary update partition boots only with kexts injection.
       
      Security Update 2020-003 for High Sierra 10.13.6 and Mojave 10.14.6 released too (build 17G13033 and 18G5053).
       

       

       

       
       
      Edit: 1st June 2020:
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      10.15.5 Supplemental Update released today. Build 19F101.
       
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