eatinggrumble84 I may very well be corrected but the situation with call recording using the stock AOSP based Dialer is that while the linked approach is a Proof of Concept the Dialer is still actively maintained unlike other AOSP apps this makes introducing it and keeping it working a little more complex.
@[deleted] had mentioned in recent past that to Call Record at the minute requires a third party solution 'for now'. This could mean waiting for Android 13 which is taking precedence for dev time, and/or any update to the Dialer that comes with it.
UPDATE: June has since ceased work on it and thus it would require someone else to pick it up and contribute/maintain it.
From Matrix: @/tmp:tchncs.de i think june was working on native dialer call recording
June: not anymore
By all means keep your ear to the ground here, on Matrix etc or tracking commits to the OS. Please do not harass for ETA though.