diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f2ccabcb..7ef29ebf2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,22 @@
+Changes in [9.3.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v9.3.0) (2020-12-07)
+================================================================================================
+[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v9.3.0-rc.1...v9.3.0)
+
+* No changes since rc.1
+
+Changes in [9.3.0-rc.1](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v9.3.0-rc.1) (2020-12-02)
+==========================================================================================================
+[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v9.2.0...v9.3.0-rc.1)
+
+ * Export CallError
+   [\#1551](https://github.com/matrix-org/matrix-js-sdk/pull/1551)
+ * Upgrade dependencies
+   [\#1550](https://github.com/matrix-org/matrix-js-sdk/pull/1550)
+ * Don't log error when environment does not support WebRTC
+   [\#1547](https://github.com/matrix-org/matrix-js-sdk/pull/1547)
+ * Fix dehydration method name
+   [\#1544](https://github.com/matrix-org/matrix-js-sdk/pull/1544)
+
 Changes in [9.2.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v9.2.0) (2020-11-23)
 ================================================================================================
 [Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v9.2.0-rc.1...v9.2.0)
diff --git a/package.json b/package.json
index 9488696b5..f710e68e1 100644
--- a/package.json
+++ b/package.json
@@ -1,13 +1,15 @@
 {
   "name": "matrix-js-sdk",
-  "version": "9.2.0",
+  "version": "9.3.0",
   "description": "Matrix Client-Server SDK for Javascript",
   "scripts": {
-    "prepare": "yarn build",
+    "prepublishOnly": "yarn build",
+    "postinstall": "yarn build:dev",
     "start": "echo THIS IS FOR LEGACY PURPOSES ONLY. && babel src -w -s -d lib --verbose --extensions \".ts,.js\"",
     "dist": "echo 'This is for the release script so it can make assets (browser bundle).' && yarn build",
     "clean": "rimraf lib dist",
-    "build": "yarn clean && git rev-parse HEAD > git-revision.txt && yarn build:compile && yarn build:compile-browser && yarn build:minify-browser && yarn build:types",
+    "build": "yarn build:dev && yarn build:compile-browser && yarn build:minify-browser",
+    "build:dev": "yarn clean && git rev-parse HEAD > git-revision.txt && yarn build:compile && yarn build:types",
     "build:types": "tsc --emitDeclarationOnly",
     "build:compile": "babel -d lib --verbose --extensions \".ts,.js\" src",
     "build:compile-browser": "mkdirp dist && browserify -d src/browser-index.js -p [ tsify -p ./tsconfig.json ] -t [ babelify --sourceMaps=inline --presets [ @babel/preset-env @babel/preset-typescript ] ] | exorcist dist/browser-matrix.js.map > dist/browser-matrix.js",
diff --git a/src/webrtc/call.ts b/src/webrtc/call.ts
index 71762ca2c..da884c2ca 100644
--- a/src/webrtc/call.ts
+++ b/src/webrtc/call.ts
@@ -1300,13 +1300,12 @@ export class MatrixCall extends EventEmitter {
 
         // party ID must match (our chosen partner hanging up the call) or be undefined (we haven't chosen
         // a partner yet but we're treating the hangup as a reject as per VoIP v0)
-        if (!this.partyIdMatches(msg) && this.opponentPartyId !== undefined) {
+        if (this.partyIdMatches(msg) || this.opponentPartyId === undefined || this.state === CallState.Ringing) {
+            // default reason is user_hangup
+            this.terminate(CallParty.Remote, msg.reason || CallErrorCode.UserHangup, true);
+        } else {
             logger.info(`Ignoring message from party ID ${msg.party_id}: our partner is ${this.opponentPartyId}`);
-            return;
         }
-
-        // default reason is user_hangup
-        this.terminate(CallParty.Remote, msg.reason || CallErrorCode.UserHangup, true);
     };
 
     onRejectReceived = (msg) => {