Merge branch 'release' into XX-3273/SendPreferred

api/client.go

api/version_vars.go

auth/request.go

cmd/version.go

go.mod

go.sum

interfaces/IsRunning.go

network/follow.go

network/manager.go

network/message/sendCmix.go

network/message/sendUnsafe.go

stoppable/single.go

storage/utility/blockStore.go