diff --git a/.mailmap b/.mailmap
index cc5a3a740..5ccb15cbe 100644
--- a/.mailmap
+++ b/.mailmap
@@ -117,3 +117,4 @@ Stephen Yeung <step2yeung@outlook.com> <syeung@linkedin.com>
 Bryan Crotaz <bryan.crotaz@silvercurve.co.uk>
 Jan Buschtöns <jan@buschtoens.me>
 Ben Demboski <demboskb@gmail.com> <ben@turbopatent.com>
+Izel Nakri <contact@izelnakri.com>
diff --git a/AUTHORS.txt b/AUTHORS.txt
index dc472c9f4..463da0f00 100644
--- a/AUTHORS.txt
+++ b/AUTHORS.txt
@@ -184,3 +184,5 @@ ShaMan123 <shacharnen@gmail.com>
 Andrew Dawes <andrewsdawes@gmail.com>
 Tim Gates <tim.gates@iress.com>
 Sergey Astapov <SergeAstapov@gmail.com>
+Hareesh <hareesh.hsr289@gmail.com>
+Zixin Yin <zixinyin20@gmail.com>
diff --git a/History.md b/History.md
index fdf70be62..81ee472b8 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,20 @@
 
+2.20.0 / 2023-09-23
+==================
+
+### Added
+
+* Core: Add `QUnit.reporters.perf`. (Timo Tijhof) [#1714](https://github.com/qunitjs/qunit/pull/1714)
+
+### Changed
+
+* Assert: Add type check for `assert.async()` parameter. (Zixin Yin) [#1721](https://github.com/qunitjs/qunit/issues/1721)
+* HTML Reporter: Remove units for 0 values in qunit.css. (Hareesh) [#1715](https://github.com/qunitjs/qunit/pull/1715)
+
+### Fixed
+
+* Core: Make internal `inArray` use Array.prototype.includes when possible. (Izel Nakri)
+
 2.19.4 / 2023-01-23
 ==================
 
diff --git a/package-lock.json b/package-lock.json
index 2fa6bfb9f..201b6afcd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "qunit",
-  "version": "2.19.4-pre",
+  "version": "2.20.0-pre",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "qunit",
-      "version": "2.19.4-pre",
+      "version": "2.20.0-pre",
       "license": "MIT",
       "dependencies": {
         "commander": "7.2.0",
diff --git a/package.json b/package.json
index 8d7cad870..0153e2655 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "qunit",
   "title": "QUnit",
   "description": "The powerful, easy-to-use testing framework.",
-  "version": "2.19.4-pre",
+  "version": "2.20.0-pre",
   "homepage": "https://qunitjs.com",
   "author": {
     "name": "OpenJS Foundation and other contributors",