What is latest status of the Arm GNU Toolchain support for Morello? (December 2022)

The Arm GNU Toolchain can be found at Arm GNU Toolchain for Morello – Arm Developer

Version 10.1.Morello-Alp2 was released on 30 November 2022.

The release is based on work that is in progress. The release is:

• Expected to be unstable.

• Alpha quality.

• Only to preview the support for Morello.

• Not suitable for production use.

For full details see Arm GNU Toolchain for Morello – Arm Developer