# v5.0.13

## Enhancements

- Add `limiter` update API [#9133](https://github.com/emqx/emqx/pull/9133).

- Avoid creating temporary zip files when syncing data directory during cluster startup [#9429](https://github.com/emqx/emqx/pull/9429).

- Refactor: move `/mqtt/sys_topics` to generic `/configs/sys_topics` [#9511](https://github.com/emqx/emqx/pull/9511).

- Refactor: use `POST` not `PUT` for `/users/{name}/change_pwd` [#9533](https://github.com/emqx/emqx/pull/9533).

- Add compression functions `zip`, `gzip`, `zip_compress` in Rule-Engine and corresponding decompression functions [#9573](https://github.com/emqx/emqx/pull/9573).

- Return `204` instead of `200` for `PUT /authenticator/:id` [#9434](https://github.com/emqx/emqx/pull/9434/).

## Bug fixes

- Trigger `message.dropped` hook when QoS2 message is resend by client with a same packet id, or 'awaiting_rel' queue is full [#9487](https://github.com/emqx/emqx/pull/9487).

- Fix shared subscription 'sticky' strategy [#9578](https://github.com/emqx/emqx/pull/9578).
  Prior to this change, a 'sticky' subscriber may continue to receive messages after unsubscribing.