v0.5.18

Added

• Burn mode before the first miner (--burn-when-empty, off by default). An hour with no admitted miner to
  weight puts all weight on the subnet owner's uid, instead of setting no weights at all, so a new subnet's
  validator keeps setting weights (and stays active) before anyone mines. The miners' share of the emission is
  burned meanwhile. When the subnet owner's validator is our own hotkey, the burn goes to that uid. The first
  hour with an admitted miner sends the normal vector, with no manual step. The owner's uid is never weighted
  otherwise.

Fixed

• A validator on bittensor 11.3.2 refused every signed request. That release stopped trusting sr25519 senders
  by default: http_auth.verify now refuses unless told the sender's signature scheme. The service passes sr25519,
  which every Bittensor hotkey uses, whenever the installed verify takes the argument; older releases behave as
  before. CI, which installs the newest bittensor, failed ten signed-route tests on it.