diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ccd1f68097926..d59fe509d208f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,50 @@
 ### [Versions](https://material-ui.com/versions/)
 
+## 4.9.2
+###### *Feb 9, 2020*
+
+Big thanks to the 24 contributors who made this release possible.
+
+### `@material-ui/core@v4.9.2`
+
+- [AppBar] Add color transparent support  (#19393) @lexskir
+- [Divider] Fix height for vertical divider in a flexbox (#19614) @captain-yossarian
+- [Modal] Fix zoom out on iOS (#19548) @TommyJackson85
+- [MobileStepper] Fix TypeScript props not aligning with prop-types (#19594) @illusionalsagacity
+- [Tabs] Add missing updateScrollButtons type in TabActions (#19570) @notsidney
+- [TextField] Fix blurry text on label (#19547) @chybisov
+- [TextField] Fix label notch for custom htmlFontSize (#19558) @kusmierz
+- [Typography] Add missing classes to TypographyClassKey (#19588) @galechus
+- [l10n] Add Hungarian (hu-HU) locale (#19566) @vgaborabs
+- [l10n] Add Icelandic (is-IS) locale (#19538) @axelbjornsson
+
+### `@material-ui/lab@v4.0.0-alpha.42`
+
+- [Autocomplete] Fix unexpected clearing (#19511) @captain-yossarian
+- [Autocomplete] Support limiting the amount of options (#19539) @govizlora
+- [Pagination] Introduce new component (#19049) @mbrookes
+
+### Docs
+
+- [docs] Add ToggleButton demo for not accepting null value (#19582) @LorenzHenk
+- [docs] Add blocks section to related-projects (#19562) @alexandre-lelain
+- [docs] Add generic props usage examples (#19341) @fyodore82
+- [docs] Add links to sandbox option in examples readme files (#19592) @garethx
+- [docs] Add new starting template  (#19604) @dunky11
+- [docs] Add post-update to examples so they run on CodeSandbox (#19605) @garethx
+- [docs] Fix typo in the Avatar docs (#19544) @UltimateForm
+- [docs] Improve entry points for issue repros (#19501) @eps1lon
+- [docs] Link a VSCode extension for working with Material-UI (#19280) @jedwards1211
+- [docs] Notification blog post @oliviertassinari
+- [docs] Refactor EnchancedTable demo (#19560) @ahmad-reza619
+- [docs] The error style rule is a pseudo-class (#19555) @TommyJackson85
+- [docs] Update link to example for adding a new demo (#19590) @LorenzHenk
+
+### Core
+
+- [company] Polish the job post (#19593) @oliviertassinari
+- [core] Ignore `@date-ui/` updates (#19633) @eps1lon
+
 ## 4.9.1
 ###### *Feb 2, 2020*
 
diff --git a/docs/notifications.json b/docs/notifications.json
index d8bf795b7aad00..5c73430660c062 100644
--- a/docs/notifications.json
+++ b/docs/notifications.json
@@ -9,7 +9,7 @@
     "userLanguage": "zh"
   },
   {
-    "id": 47,
-    "text": "New blog post: <a style=\"color: inherit;\" target=\"_blank\" rel=\"noopener\" href=\"https://medium.com/material-ui/2019-in-review-and-beyond-34f85e29926\">2019 in review and beyond</a>."
+    "id": 48,
+    "text": "Material-UI is hiring <a style=\"color: inherit;\" target=\"_blank\" rel=\"noopener\" href=\"https://material-ui.com/company/software-engineer/\">a senior software developer</a>."
   }
 ]
diff --git a/package.json b/package.json
index e4fe0a78962f37..a1f0167f7d9daf 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "4.9.1",
+  "version": "4.9.2",
   "private": true,
   "scripts": {
     "proptypes": "ts-node --skip-project ./scripts/generateProptypes.ts",
diff --git a/packages/material-ui-lab/package.json b/packages/material-ui-lab/package.json
index b1f250df354ab9..366b9f0ade7596 100644
--- a/packages/material-ui-lab/package.json
+++ b/packages/material-ui-lab/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/lab",
-  "version": "4.0.0-alpha.41",
+  "version": "4.0.0-alpha.42",
   "private": false,
   "author": "Material-UI Team",
   "description": "Material-UI Lab - Incubator for Material-UI React components.",
diff --git a/packages/material-ui/package.json b/packages/material-ui/package.json
index 8b814e98106770..c7063d02230886 100644
--- a/packages/material-ui/package.json
+++ b/packages/material-ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@material-ui/core",
-  "version": "4.9.1",
+  "version": "4.9.2",
   "private": false,
   "author": "Material-UI Team",
   "description": "React components that implement Google's Material Design.",