As far as I know, HIVE is not supported.
I think @netuoso was working on that at one point, but haven't heard from him about it for a long time.
The current alternative is using another account you seldom use. I think @themarkymark had a post about it back when things were still Steem.
https://peakd.com/hive-167922/@themarkymark/how-to-create-and-use-a-cold-wallet-on-hive