We currently have Ruby 3.3.4 with ascli 4.20. Upgrading to 4.21 fails because MSYS2 could not be found. We are not using the transfer SDK (and thus gRPC which I understand brings in the MSYS dependency)
H:\>gem update aspera-cli
Updating installed gems
Updating aspera-cli
Fetching openssl-3.3.0.gem
Fetching net-ssh-7.3.0.gem
Fetching aspera-cli-4.21.1.gem
MSYS2 could not be found. Please run 'ridk install'
or download and install MSYS2 manually from https://msys2.github.io/