Add release notes for 2021.2.1 (#16421)

* Add release notes for 2021.2.1

* Update change log

_config.yml

@@ -102,8 +102,8 @@ social:
 # Home Assistant release details
 current_major_version: 2021
 current_minor_version: 2
-current_patch_version: 0
-date_released: 2021-02-03
+current_patch_version: 1
+date_released: 2021-02-05
 
 # Either # or the anchor link to latest release notes in the blog post.
 # Must be prefixed with a # and have double quotes around it.

source/_posts/2021-02-03-release-20212.markdown

@@ -49,6 +49,7 @@ Enjoy the release!
 - [New Integrations](#new-integrations)
 - [New Platforms](#new-platforms)
 - [Integrations now available to set up from the UI](#integrations-now-available-to-set-up-from-the-ui)
+- [Release 2021.2.1 - February 5](#release-202121---february-5)
 - [If you need help...](#if-you-need-help)
 - [Breaking Changes](#breaking-changes)
 - [Farewell to the following](#farewell-to-the-following)
@@ -328,6 +329,57 @@ The following integrations are now available via the Home Assistant UI:
 - [Somfy MyLink][somfy_mylink docs], done by [@bdraco]
 - [Foscam][foscam docs], done by [@skgsergio]
 
+## Release 2021.2.1 - February 5
+
+- Convert ozw climate values to correct units ([@Chrisgozd] - [#45369]) ([ozw docs])
+- Add support for iCloud 2FA ([@nzapponi] - [#45818]) ([icloud docs])
+- Don't log missing mpd artwork inappropriately ([@mweinelt] - [#45908]) ([mpd docs])
+- Fix entities device_info property in Harmony integration ([@bieniu] - [#45964]) ([harmony docs])
+- Fix Local Media in Media Browser ([@DeadEnded] - [#45987]) ([media_source docs])
+- Bump zwave-js-server-python to 0.17.1 ([@MartinHjelmare] - [#45988]) ([zwave_js docs])
+- Bump awesomeversion from 21.2.0 to 21.2.2 ([@ludeeus] - [#45993])
+- Do not listen for dhcp packets if the filter cannot be setup ([@bdraco] - [#46006]) ([dhcp docs])
+- Bump zwave-js-server-python to 0.17.2 ([@MartinHjelmare] - [#46010]) ([zwave_js docs])
+- dhcp does not need promisc mode. Disable it in scapy ([@bdraco] - [#46018]) ([dhcp docs])
+- Revert aioshelly ([@balloob] - [#46038]) ([shelly docs])
+- Prevent fritzbox callmonitor phonebook_id 0 from being ignored ([@obelix05] - [#45990]) ([fritzbox_callmonitor docs])
+- Upgrade holidays to 0.10.5.2 ([@fabaff] - [#46013]) ([workday docs])
+
+[#45369]: https://github.com/home-assistant/core/pull/45369
+[#45818]: https://github.com/home-assistant/core/pull/45818
+[#45908]: https://github.com/home-assistant/core/pull/45908
+[#45964]: https://github.com/home-assistant/core/pull/45964
+[#45987]: https://github.com/home-assistant/core/pull/45987
+[#45988]: https://github.com/home-assistant/core/pull/45988
+[#45990]: https://github.com/home-assistant/core/pull/45990
+[#45993]: https://github.com/home-assistant/core/pull/45993
+[#46006]: https://github.com/home-assistant/core/pull/46006
+[#46010]: https://github.com/home-assistant/core/pull/46010
+[#46013]: https://github.com/home-assistant/core/pull/46013
+[#46018]: https://github.com/home-assistant/core/pull/46018
+[#46038]: https://github.com/home-assistant/core/pull/46038
+[@Chrisgozd]: https://github.com/Chrisgozd
+[@DeadEnded]: https://github.com/DeadEnded
+[@MartinHjelmare]: https://github.com/MartinHjelmare
+[@balloob]: https://github.com/balloob
+[@bdraco]: https://github.com/bdraco
+[@bieniu]: https://github.com/bieniu
+[@fabaff]: https://github.com/fabaff
+[@ludeeus]: https://github.com/ludeeus
+[@mweinelt]: https://github.com/mweinelt
+[@nzapponi]: https://github.com/nzapponi
+[@obelix05]: https://github.com/obelix05
+[dhcp docs]: /integrations/dhcp/
+[fritzbox_callmonitor docs]: /integrations/fritzbox_callmonitor/
+[harmony docs]: /integrations/harmony/
+[icloud docs]: /integrations/icloud/
+[media_source docs]: /integrations/media_source/
+[mpd docs]: /integrations/mpd/
+[ozw docs]: /integrations/ozw/
+[shelly docs]: /integrations/shelly/
+[workday docs]: /integrations/workday/
+[zwave_js docs]: /integrations/zwave_js/
+
 ## If you need help...
 
 ...don't hesitate to use our very active [forums](https://community.home-assistant.io/) or join us for a little [chat](https://discord.gg/c5DvZ4e).