Apple Seeds First Beta of Upcoming macOS Catalina 10.15.6 Update to Developers
Apple today appears to have seeded the first beta of an upcoming macOS Catalina 10.15.6 update to developers for testing purposes, one week after releasing macOS Catalina 10.15.5 with battery health management features for Macs.
The macOS Catalina 10.15.6 beta can be downloaded from the Software Update mechanism in System Preferences, as it does not yet appear to be showing up in the Apple Developer Center.
There's no word yet on what features or improvements the sixth update to macOS Catalina will introduce, but it likely focuses on performance improvements, security updates, and fixes for bugs that weren't able to be addressed in the prior update.
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Top Rated Comments
A year of bug patches and it’s still shoddy quality and not reliable.
I say this not to be snarky. It stuns me. And it makes me sad.
I had 10.15.5 build 19F96. It could see the 10.15.6 beta.
I updated to build 19F101 with the supplemental update and could not see the 10.15.6 beta anymore.
I used a bootable usb of 10.15.5 build 19F96 to downgrade to 19F96. It can see 10.15.6 beta again.
Now updating to 10.15.6 build 19G36e.
Of course I backed up each time. So although I only actually ran 19F101 for a few minutes at least I have a backup of it before getting 10.15.6.
A possible reason for this behaviour: Although the beta was released on the same day as the supplemental update it could be that build 19F101 is actually newer than 19G36e - which explains why 19F101 can't see 19G36e i.e., 19G36e can't install over the top of 19F101 because 19F101 is newer.
So I think it may just be a waiting game. It took a little while for the last 10.15.5 beta too.