New Putty Private Key v3 uses header `PuTTY-User-Key-File-3` which is not recognised with `auto` option. See also https://github.com/Eugeny/tabby/issues/5145 for example private key
New Putty Private Key v3 uses header
PuTTY-User-Key-File-3which is not recognised withautooption.See also Eugeny/tabby#5145 for example private key