Prepare changelog for v17.2.0-rc.1

Author: RiotRobot

CHANGELOG.md

@@ -1,3 +1,17 @@
+Changes in [17.2.0-rc.1](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v17.2.0-rc.1) (2022-05-03)
+============================================================================================================
+
+## ✨ Features
+ * Live location sharing: handle encrypted messages in processBeaconEvents ([\#2327](https://github.com/matrix-org/matrix-js-sdk/pull/2327)).
+
+## 🐛 Bug Fixes
+ * Fix race conditions around threads ([\#2331](https://github.com/matrix-org/matrix-js-sdk/pull/2331)).
+ * Ignore m.replace relations on state events, they're invalid ([\#2306](https://github.com/matrix-org/matrix-js-sdk/pull/2306)). Fixes vector-im/element-web#21851.
+ * fix example in readme ([\#2315](https://github.com/matrix-org/matrix-js-sdk/pull/2315)).
+ * Don't decrement the length count of a thread when root redacted ([\#2314](https://github.com/matrix-org/matrix-js-sdk/pull/2314)).
+ * Prevent attempt to create thread with id "undefined" ([\#2308](https://github.com/matrix-org/matrix-js-sdk/pull/2308)).
+ * Update threads handling for replies-to-thread-responses as per MSC update ([\#2305](https://github.com/matrix-org/matrix-js-sdk/pull/2305)). Fixes vector-im/element-web#19678.
+
 Changes in [17.1.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v17.1.0) (2022-04-26)
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