Our car is a Easter build 2020 Plus Six, all the area's mentioned were sorted by dealer or factory within 18 months, the only other later failures were the auto light sensor, the overseer module, and rear brake calipers, again, replaced by dealer. No issues since.
I believe by the MY22 build year of the Plus Six most if not all the issues identified in the early builds had been addressed by the factory. Our car just purrs along now, just the normal Morgan day to day related small issues to address.
Would I change our car now.. no its sorted and drives well, plus we have sort of bonded with her.


Dave
Plus Six "Squeak"
Roadster departed.
1936 BSA Empire Star Q8. 1935 BSA W7-35. 1938 BSA M20