Bug 1620621 improved the scalability of the addons blocklist. The initial size was small and added to Android in bug 1634671. But if the packaged blocklist were to be updated now, the APK size would increase by 0.5 MB. That's too much, so blocklist v3 will be disabled on mobile at first before enabling the in-tree snapshot of the blocklist (bug 1636158).

Once the size has been optimized, blocklist v3 can be enabled on mobile.

Here is the plan for the size optimization: https://docs.google.com/document/d/1RIOs-7Ud-QlbTOggBydpm47zngT-kWwNzNuFLZTM3iU/edit

Edit: we decided to not implement this optimization. The context and considered options are described at https://docs.google.com/document/d/1tXuykhI6oaL68OKYT0z_qXq9RyHzIlxxeYlxDEOG1M4/edit

Don't forget to enable telemetry by adding "geckoview" to each scalar (under "product") from bug 1633466.

MV3 P2

That's too much, so blocklist v3 will be disabled on mobile at first before enabling the in-tree snapshot of the blocklist (bug 1636158).

This is no longer a concern, let's ship the blocklist v3.

For future reference, I documented the relevant context, options considered and final design at https://docs.google.com/document/d/1tXuykhI6oaL68OKYT0z_qXq9RyHzIlxxeYlxDEOG1M4/edit ( "Design to enable blocklist v3 on Android" )

(In reply to Rob Wu [:robwu] from comment #1)

Don't forget to enable telemetry

The telemetry aspects of blocklist v3 on Android are part of bug 1820155.

https://hg.mozilla.org/mozilla-central/rev/92dddcb5cf02