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# Release notes for Grafana 8.4.0-beta1
### Features and enhancements
- **Alerting:** Support WeCom as a contact point type. [#40975](https://github.com/grafana/grafana/pull/40975), [@smallpath](https://github.com/smallpath)
- **Alerting:** UI for mute timings. [#41578](https://github.com/grafana/grafana/pull/41578), [@nathanrodman](https://github.com/nathanrodman)
- **Alerting:** add settings for peer reconnection in HA mode. [#42300](https://github.com/grafana/grafana/pull/42300), [@JohnnyQQQQ](https://github.com/JohnnyQQQQ)
- **Auth:** implement auto_sign_up for auth.jwt. [#37040](https://github.com/grafana/grafana/pull/37040), [@Roguelazer](https://github.com/Roguelazer)
- **Dashboard:** Add Show unknown variables toggle to dashboard settings. [#41854](https://github.com/grafana/grafana/pull/41854), [@hugohaggmark](https://github.com/hugohaggmark)
- **Instrumentation:** Logger migration from log15 to gokit/log. [#41636](https://github.com/grafana/grafana/pull/41636), [@ying-jeanne](https://github.com/ying-jeanne)
- **MSSQL:** Configuration of certificate verification for TLS connection. [#31865](https://github.com/grafana/grafana/pull/31865), [@mortenaa](https://github.com/mortenaa)
- **Middleware:** Don't require HTTPS for HSTS headers to be emitted. [#35147](https://github.com/grafana/grafana/pull/35147), [@alexmv](https://github.com/alexmv)
- **News:** Reload feed when changing the time range or refreshing. [#42217](https://github.com/grafana/grafana/pull/42217), [@ashharrison90](https://github.com/ashharrison90)
- **UI/Plot:** Implement keyboard controls for plot cursor. [#42244](https://github.com/grafana/grafana/pull/42244), [@kaydelaney](https://github.com/kaydelaney)