FlightSimLabs has recently released an experimental update to their Airbus A321ceo for Microsoft Flight Simulator 2020.
This new v11.0.1.293 update brings several quality-of-life fixes and features including fixing memory issues when the Weather Radar is active, a new way to set up Thrust Lever detents via the MCDU OPTIONS page and other fixes made known by the community.
The full changelog for the FlightSimLabs A321ceo can be found below.

You can access this update via the FlightSimLabs Control Center, through the experimental channel, instructions can be found here.
You can purchase the FlightSimLabs A321ceo for Microsoft Flight Simulator 2020 from their website for $69.99 here.
FlightSimLabs A321ceo Changelog
- Weather Radar memory fix
- IR shutdown timing fix
- FMGC PROG PAGE RNP 0.0X format corrected
- FMGC Printer function page time-out issues fixed
- LIGHTS Cabin lights fixed
- LIGHTS Landing Light fix for when Pin 1 is INOP
- TCAS Aural warnings are inhibited when unpowered
- DU PANEL Default WX brightness set to 0.75
- PANEL STATES Fix for panel state saving
- PITOT HEAT electrical system fixes
- PFD TCAS RA not showing fixed
- MMR/IR Fix for AP1+2 INOP when loading on APU state
- MMR Fix for Load on Rwy MMR fault
- XPDR Added ADS-B and XPDR 2 messages to the ARINC MAINT bus
- MCDU OPTIONS – TLA gate set up now via single-click – Documentation updated to include Thrust Lever Detent config new logic
- PACKS sound updates for the cockpit