> **_NOTE:_** `wsaccel`, which was important for good performance of
>`wsproto <= 0.14`, has been dropped as a trio-websocket requirement. So
> ensure that your app either upgrades to `wsproto >= 0.15` or explicitly
> requires `wsaccel`.
Changed
- allow dependency on recent `wsproto` versions
- eliminate `yarl`, `ipaddress`, and `wsaccel` dependencies
Fixed
- avoid contributing to dropped exceptions during finalization.
(See Trio issue https://github.com/python-trio/trio/issues/1559 for background.)