diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3f565eeb76..3e9e3aad155 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,32 @@
+## 0.49.0
+September 6, 2018
+
+## ⚠️ Breaking changes
+* Use `client{Height/Width}` instead of `offset{Height/Width}` for map canvas sizing ([#6848](https://github.com/mapbox/mapbox-gl-js/issues/6848), fixed by [#7128](https://github.com/mapbox/mapbox-gl-js/pull/7128))
+
+## 🐛 Bug fixes
+* Fix [Top Issues list](https://mapbox.github.io/top-issues/#!mapbox/mapbox-gl-js) for mapbox-gl-js ([#7108](https://github.com/mapbox/mapbox-gl-js/issues/7108), fixed by [#7112](https://github.com/mapbox/mapbox-gl-js/pull/7112))
+* Fix bug in which symbols with `icon-allow-overlap: true, text-allow-overlap: true, text-optional: false` would show icons when they shouldn't ([#7041](https://github.com/mapbox/mapbox-gl-js/pull/7041))
+* Fix bug where the map would not stop at the exact zoom level requested by Map#FlyTo (#7222) ([#7223](https://github.com/mapbox/mapbox-gl-js/pull/7223)) (h/t [benoitbzl](https://github.com/benoitbzl))
+* Keep map centered on the center point of a multi-touch gesture when zooming (#6722) ([#7191](https://github.com/mapbox/mapbox-gl-js/pull/7191)) (h/t [pakastin](https://github.com/pakastin))
+* Update the style-spec's old `gl-style-migrate` script to include conversion of legacy functions and filters to their expression equivalents ([#6927](https://github.com/mapbox/mapbox-gl-js/issues/6927), fixed by [#7095](https://github.com/mapbox/mapbox-gl-js/pull/7095))
+* Fix `icon-size` for small data-driven values ([#7125](https://github.com/mapbox/mapbox-gl-js/pull/7125))
+* Fix bug in the way AJAX requests load local files on iOS web view ([#6610](https://github.com/mapbox/mapbox-gl-js/pull/6610)) (h/t [oscarfonts](https://github.com/oscarfonts))
+
+## ✨ Features and improvements
+Performance updates:
+  * Improve time to first render by updating how feature ID maps are transferred to the main thread ([#7110](https://github.com/mapbox/mapbox-gl-js/issues/7110), fixed by [#7132](https://github.com/mapbox/mapbox-gl-js/pull/7132))
+  * Reduce size of JSON transmitted from worker thread to main thread ([#7124](https://github.com/mapbox/mapbox-gl-js/pull/7124))
+  * Improve image/glyph atlas packing algorithm ([#7171](https://github.com/mapbox/mapbox-gl-js/pull/7171))
+  * Use murmur hash on symbol instance keys to reduce worker transfer costs ([#7127](https://github.com/mapbox/mapbox-gl-js/pull/7127))
+* Add GL state management for uniforms ([#6018](https://github.com/mapbox/mapbox-gl-js/pull/6018))
+* Add `symbol-z-order` symbol layout property to style spec ([#7219](https://github.com/mapbox/mapbox-gl-js/pull/7219))
+* Implement data-driven styling support for `*-pattern properties` ([#6289](https://github.com/mapbox/mapbox-gl-js/pull/6289))
+* Add `Map#fitScreenCoordinates` which fits viewport to two points, similar to `Map#fitBounds` but uses screen coordinates and supports non-zero map bearings ([#6894](https://github.com/mapbox/mapbox-gl-js/pull/6894))
+* Re-implement LAB/HSL color space interpolation for expressions ([#5326](https://github.com/mapbox/mapbox-gl-js/issues/5326), fixed by [#7123](https://github.com/mapbox/mapbox-gl-js/pull/7123))
+* Enable benchmark testing for Mapbox styles ([#7047](https://github.com/mapbox/mapbox-gl-js/pull/7047))
+* Allow `Map#setFeatureState` and `Map#getFeatureState` to accept numeric IDs ([#7106](https://github.com/mapbox/mapbox-gl-js/pull/7106)) (h/t [bfrengley](https://github.com/bfrengley))
+
 ## 0.48.0
 August 16, 2018
 
diff --git a/package.json b/package.json
index 95c1293a397..62a4768c5b5 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mapbox-gl",
   "description": "A WebGL interactive maps library",
-  "version": "0.48.0",
+  "version": "0.49.0-beta.1",
   "main": "dist/mapbox-gl.js",
   "style": "dist/mapbox-gl.css",
   "license": "SEE LICENSE IN LICENSE.txt",
diff --git a/src/style-spec/CHANGELOG.md b/src/style-spec/CHANGELOG.md
index b2cffddeda5..9fe3ce72b59 100644
--- a/src/style-spec/CHANGELOG.md
+++ b/src/style-spec/CHANGELOG.md
@@ -1,3 +1,11 @@
+## 13.2.0
+
+## 🐛 Bug fixes
+* Update the style-spec's old `gl-style-migrate` script to include conversion of legacy functions and filters to their expression equivalents ([#6927](https://github.com/mapbox/mapbox-gl-js/issues/6927), fixed by [#7095](https://github.com/mapbox/mapbox-gl-js/pull/7095))
+
+## ✨ Features and improvements
+* Add `symbol-z-order` symbol layout property to style spec ([#7219](https://github.com/mapbox/mapbox-gl-js/pull/7219))
+
 ## 13.1.1
 
 ## 🐛 Bug fixes
diff --git a/src/style-spec/package.json b/src/style-spec/package.json
index 693719db8c2..d6d2e048252 100644
--- a/src/style-spec/package.json
+++ b/src/style-spec/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@mapbox/mapbox-gl-style-spec",
   "description": "a specification for mapbox gl styles",
-  "version": "13.1.1",
+  "version": "13.2.0-beta.1",
   "author": "Mapbox",
   "keywords": [
     "mapbox",