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Google is preparing to fully remove support for non-A/B updates from Android, leaving A/B updates as the only officially supported OTA update mechanism moving forward.
However, this won't stop certain device makers from continuing to use non-A/B as they can either use their own implementation or just revert Google's changes. Google would need to actually mandate the use of A/B through the CDD or GMS licensing, which they've tried to do but ended up reneging.
Older devices can be migrated to A/B, though, although the process is not exactly fun.
I’m sure alternative ROMs will figure out some way to implement updates regardless. You can probably trick the system into thinking it’s flashing an A/B system while it’s actually extracting an update to a directory that later gets copied back into the real system partition.
Older devices can be migrated to A/B, though, although the process is not exactly fun.
I’m sure alternative ROMs will figure out some way to implement updates regardless. You can probably trick the system into thinking it’s flashing an A/B system while it’s actually extracting an update to a directory that later gets copied back into the real system partition.