Last Brave update killed Gmail

Also try brave with the following --disable-features=PartitionConnectionsByNetworkIsolationKey,PartitionExpectCTStateByNetworkIsolationKey,PartitionHttpServerPropertiesByNetworkIsolationKey,PartitionSSLSessionsByNetworkIsolationKey,SplitHostCacheByNetworkIsolationKey

(Brave, rightclick, properties) add in the Target