I have a Brave Browser v0.27.3 on my Macbook and have specifically moved my Ethereum Classic to the Metamask wallet at the time as a cold wallet and access it later.
I have saved my password but not the seed phrase or private key. However, seeing how you blatantly blocked me from accessing my wallet at all - surely there must be a way to reconnect my wallet so that I can move my coins / re-import my wallet onto a different platform.
Can you not have a plug-in of sorts to connect from a new Brave browser to the old unsupported browser so I can access my wallet and use my password? Surely there must be some way to help others who are in the same boat as me.