this post was submitted on 04 Mar 2024
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Google Pixel

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Hot damn that's a large update! Anyone know what's in it?

E: It's QPR2.

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[–] [email protected] 27 points 9 months ago (1 children)

I bet you can learn more if you hit that link where it says "learn more"

[–] absquatulate 25 points 9 months ago (1 children)

...and you follow the link and the details are "Fixed bugs and improved stability"

[–] [email protected] 7 points 9 months ago* (last edited 9 months ago)

Exactly. The list there tends to "underrepresent" the changes, especially when there's such a large delta.

E: Found it - QPR2 is part of this update. Something which isn't called out in the Pixel update bulletin.

[–] [email protected] 7 points 9 months ago* (last edited 9 months ago) (1 children)

If im right (been a long time since i rooted a modern android), the pixel uses an A/B immutable partition scheme, so each update is a full new base OS uploaded in, then user data is moved over.

Hope someone who knows more bout this can confirm

[–] [email protected] 6 points 9 months ago* (last edited 9 months ago)

Whether it uses physical A/B, virtual A/B, the updates are delivered as deltas from the previous version. Typically monthly updates range between several megabytes and tens of megabytes. Hundreds of megabytes implies a lot of system changes. The delta is used to create a full new base OS partition by combining the currently active partition with the delta. The result is written to the inactive partition. On Pixel, there are no physical A/B partitions anymore. Instead Linux logical volumes and snapshots are used, but the effect is the same as having physical A/B during update. Post update the inactive "partition" is removed and there's a single active volume till the next update.

[–] HWK_290 2 points 9 months ago

Delayed for US carriers?