Both items involve uasyncio import failures in the same component (extmod/uasyncio), but the root causes differ. Issue #9048's "ValueError: incompatible .mpy file" is a bytecode format version mismatch — pre-compiled .mpy files installed via Thonny were built against a different MicroPython bytecode version than the running firmware. PR #7267 fixes a different problem: replacing lazy loading via getattr with direct imports in uasyncio/init.py, which it links explicitly to issue #7266, not #9048. The import mechanism change in PR #7267 would not resolve a .mpy format version mismatch error. The shared component and symptom (import failure) make them contextually related, but the PR does not address the query's root cause.
Suggested action
Leave issue #9048 open. The fix likely requires either updating the uasyncio package in the Thonny/upip index to be compiled with the matching .mpy format version, or the nightly build bumping the .mpy version without a corresponding package rebuild. Maintainer should check whether the published uasyncio .mpy files in micropython-lib are compiled against the current bytecode format version.