diff --git a/build/Gruntfile.coffee b/build/Gruntfile.coffee
index 3a7df725b..4470328b5 100644
--- a/build/Gruntfile.coffee
+++ b/build/Gruntfile.coffee
@@ -31,13 +31,16 @@ module.exports = (grunt) ->
   # This allows all subsequent paths to the relative to the root of the repo
   grunt.file.setBase(path.resolve('..'))
 
-  [major, minor, patch] = packageJson.version.split('.')
   tmpDir = os.tmpdir()
   appName = if process.platform is 'darwin' then 'Atom.app' else 'Atom'
   buildDir = grunt.option('build-dir') ? path.join(tmpDir, 'atom-build')
   buildDir = path.resolve(buildDir)
   installDir = grunt.option('install-dir')
 
+  channel = grunt.option('channel')
+  channel ?= process.env.JANKY_BRANCH if process.env.JANKY_BRANCH in ['stable', 'beta']
+  channel ?= 'dev'
+
   home = if process.platform is 'win32' then process.env.USERPROFILE else process.env.HOME
   electronDownloadDir = path.join(home, '.atom', 'electron')
 
@@ -153,7 +156,7 @@ module.exports = (grunt) ->
   grunt.initConfig
     pkg: grunt.file.readJSON('package.json')
 
-    atom: {appDir, appName, symbolsDir, buildDir, contentsDir, installDir, shellAppDir}
+    atom: {appDir, appName, symbolsDir, buildDir, contentsDir, installDir, shellAppDir, channel}
 
     docsOutputDir: 'docs/output'
 
@@ -234,8 +237,8 @@ module.exports = (grunt) ->
         outputDirectory: path.join(buildDir, 'installer')
         authors: 'GitHub Inc.'
         loadingGif: path.resolve(__dirname, '..', 'resources', 'win', 'loading.gif')
-        iconUrl: 'https://raw.githubusercontent.com/atom/atom/master/resources/win/atom.ico'
-        setupIcon: path.resolve(__dirname, '..', 'resources', 'win', 'atom.ico')
+        iconUrl: 'https://raw.githubusercontent.com/atom/atom/master/resources/app-icons/stable/atom.ico'
+        setupIcon: path.resolve(__dirname, '..', 'resources', 'app-icons', 'stable', 'atom.ico')
         remoteReleases: 'https://atom.io/api/updates'
 
     shell:
diff --git a/build/tasks/build-task.coffee b/build/tasks/build-task.coffee
index 803249c1c..415f2f660 100644
--- a/build/tasks/build-task.coffee
+++ b/build/tasks/build-task.coffee
@@ -40,7 +40,6 @@ module.exports = (grunt) ->
       'benchmark'
       'dot-atom'
       'vendor'
-      'resources'
     ]
 
     {devDependencies} = grunt.file.readJSON('package.json')
@@ -86,9 +85,6 @@ module.exports = (grunt) ->
       path.join('build', 'Release', 'obj')
       path.join('build', 'Release', '.deps')
       path.join('vendor', 'apm')
-      path.join('resources', 'linux')
-      path.join('resources', 'mac')
-      path.join('resources', 'win')
 
       # These are only require in dev mode when the grammar isn't precompiled
       path.join('snippets', 'node_modules', 'loophole')
@@ -179,10 +175,14 @@ module.exports = (grunt) ->
     if process.platform isnt 'win32'
       fs.symlinkSync(path.join('..', '..', 'bin', 'apm'), path.resolve(appDir, '..', 'new-app', 'apm', 'node_modules', '.bin', 'apm'))
 
+    channel = grunt.config.get('atom.channel')
+
+    cp path.join('resources', 'app-icons', channel, 'png', '1024.png'), path.join(appDir, 'resources', 'atom.png')
+
     if process.platform is 'darwin'
-      grunt.file.recurse path.join('resources', 'mac'), (sourcePath, rootDirectory, subDirectory='', filename) ->
-        unless /.+\.plist/.test(sourcePath)
-          grunt.file.copy(sourcePath, path.resolve(appDir, '..', subDirectory, filename))
+      cp path.join('resources', 'app-icons', channel, 'atom.icns'), path.resolve(appDir, '..', 'atom.icns')
+      cp path.join('resources', 'mac', 'file.icns'), path.resolve(appDir, '..', 'file.icns')
+      cp path.join('resources', 'mac', 'speakeasy.pem'), path.resolve(appDir, '..', 'speakeasy.pem')
 
     if process.platform is 'win32'
       cp path.join('resources', 'win', 'atom.cmd'), path.join(shellAppDir, 'resources', 'cli', 'atom.cmd')
@@ -191,7 +191,7 @@ module.exports = (grunt) ->
       cp path.join('resources', 'win', 'apm.sh'), path.join(shellAppDir, 'resources', 'cli', 'apm.sh')
 
     if process.platform is 'linux'
-      cp path.join('resources', 'linux', 'icons'), path.join(buildDir, 'icons')
+      cp path.join('resources', 'app-icons', channel, 'png'), path.join(buildDir, 'icons')
 
     dependencies = ['compile', 'generate-license:save', 'generate-module-cache', 'compile-packages-slug']
     dependencies.push('copy-info-plist') if process.platform is 'darwin'
diff --git a/build/tasks/mkdeb-task.coffee b/build/tasks/mkdeb-task.coffee
index 9fb8c7e4b..e448bb91e 100644
--- a/build/tasks/mkdeb-task.coffee
+++ b/build/tasks/mkdeb-task.coffee
@@ -23,6 +23,7 @@ module.exports = (grunt) ->
   grunt.registerTask 'mkdeb', 'Create debian package', ->
     done = @async()
     buildDir = grunt.config.get('atom.buildDir')
+    channel = grunt.config.get('atom.channel')
 
     if process.arch is 'ia32'
       arch = 'i386'
@@ -41,10 +42,10 @@ module.exports = (grunt) ->
       data = {name, version, description, section, arch, maintainer, installDir, iconName, installedSize, executable}
       controlFilePath = fillTemplate(path.join('resources', 'linux', 'debian', 'control'), data)
       desktopFilePath = fillTemplate(path.join('resources', 'linux', 'atom.desktop'), data)
-      icon = path.join('resources', 'atom.png')
+      iconPath = path.join('resources', 'app-icons', channel, 'png', '1024.png')
 
       cmd = path.join('script', 'mkdeb')
-      args = [version, arch, controlFilePath, desktopFilePath, icon, buildDir]
+      args = [version, arch, controlFilePath, desktopFilePath, iconPath, buildDir]
       spawn {cmd, args}, (error) ->
         if error?
           done(error)
diff --git a/build/tasks/set-exe-icon-task.coffee b/build/tasks/set-exe-icon-task.coffee
index 0d9e2c0f6..f29a19680 100644
--- a/build/tasks/set-exe-icon-task.coffee
+++ b/build/tasks/set-exe-icon-task.coffee
@@ -4,9 +4,10 @@ module.exports = (grunt) ->
   grunt.registerTask 'set-exe-icon', 'Set icon of the exe', ->
     done = @async()
 
+    channel = grunt.config.get('atom.channel')
     shellAppDir = grunt.config.get('atom.shellAppDir')
     shellExePath = path.join(shellAppDir, 'atom.exe')
-    iconPath = path.resolve('resources', 'win', 'atom.ico')
+    iconPath = path.resolve('resources', 'app-icons', channel, 'atom.ico')
 
     rcedit = require('rcedit')
     rcedit(shellExePath, {'icon': iconPath}, done)
diff --git a/package.json b/package.json
index 9af702726..baeb5f3a5 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "atom",
   "productName": "Atom",
-  "version": "1.0.12-dev",
+  "version": "1.2.0-dev",
   "description": "A hackable text editor for the 21st Century.",
   "main": "./src/browser/main.js",
   "repository": {
@@ -109,7 +109,7 @@
     "package-generator": "0.40.0",
     "release-notes": "0.53.0",
     "settings-view": "0.216.0",
-    "snippets": "0.98.0",
+    "snippets": "0.99.0",
     "spell-check": "0.59.0",
     "status-bar": "0.79.0",
     "styleguide": "0.44.0",
@@ -121,14 +121,14 @@
     "welcome": "0.30.0",
     "whitespace": "0.31.0",
     "wrap-guide": "0.36.0",
-    "language-c": "0.47.1",
+    "language-c": "0.48.0",
     "language-clojure": "0.16.0",
     "language-coffee-script": "0.41.0",
     "language-csharp": "0.10.0",
     "language-css": "0.34.0",
     "language-gfm": "0.81.0",
     "language-git": "0.10.0",
-    "language-go": "0.37.0",
+    "language-go": "0.39.0",
     "language-html": "0.41.2",
     "language-hyperlink": "0.14.0",
     "language-java": "0.16.0",
@@ -142,7 +142,7 @@
     "language-php": "0.30.0",
     "language-property-list": "0.8.0",
     "language-python": "0.40.0",
-    "language-ruby": "0.58.0",
+    "language-ruby": "0.59.0",
     "language-ruby-on-rails": "0.22.0",
     "language-sass": "0.41.0",
     "language-shellscript": "0.17.0",
diff --git a/resources/app-icons/beta/atom.icns b/resources/app-icons/beta/atom.icns
new file mode 100644
index 000000000..69abe031e
Binary files /dev/null and b/resources/app-icons/beta/atom.icns differ
diff --git a/resources/app-icons/beta/atom.ico b/resources/app-icons/beta/atom.ico
new file mode 100644
index 000000000..e470837de
Binary files /dev/null and b/resources/app-icons/beta/atom.ico differ
diff --git a/resources/app-icons/beta/png/1024.png b/resources/app-icons/beta/png/1024.png
new file mode 100644
index 000000000..b3d712d4a
Binary files /dev/null and b/resources/app-icons/beta/png/1024.png differ
diff --git a/resources/app-icons/beta/png/128.png b/resources/app-icons/beta/png/128.png
new file mode 100644
index 000000000..e67a95a7a
Binary files /dev/null and b/resources/app-icons/beta/png/128.png differ
diff --git a/resources/app-icons/beta/png/16.png b/resources/app-icons/beta/png/16.png
new file mode 100644
index 000000000..c7a0c0d72
Binary files /dev/null and b/resources/app-icons/beta/png/16.png differ
diff --git a/resources/app-icons/beta/png/24.png b/resources/app-icons/beta/png/24.png
new file mode 100644
index 000000000..dd8dcf22a
Binary files /dev/null and b/resources/app-icons/beta/png/24.png differ
diff --git a/resources/app-icons/beta/png/256.png b/resources/app-icons/beta/png/256.png
new file mode 100644
index 000000000..b48fbf1ae
Binary files /dev/null and b/resources/app-icons/beta/png/256.png differ
diff --git a/resources/app-icons/beta/png/32.png b/resources/app-icons/beta/png/32.png
new file mode 100644
index 000000000..238539f47
Binary files /dev/null and b/resources/app-icons/beta/png/32.png differ
diff --git a/resources/app-icons/beta/png/48.png b/resources/app-icons/beta/png/48.png
new file mode 100644
index 000000000..17b155db6
Binary files /dev/null and b/resources/app-icons/beta/png/48.png differ
diff --git a/resources/app-icons/beta/png/512.png b/resources/app-icons/beta/png/512.png
new file mode 100644
index 000000000..1fa42ab4f
Binary files /dev/null and b/resources/app-icons/beta/png/512.png differ
diff --git a/resources/app-icons/beta/png/64.png b/resources/app-icons/beta/png/64.png
new file mode 100644
index 000000000..19d27487d
Binary files /dev/null and b/resources/app-icons/beta/png/64.png differ
diff --git a/resources/app-icons/dev/atom.icns b/resources/app-icons/dev/atom.icns
new file mode 100644
index 000000000..84319be3d
Binary files /dev/null and b/resources/app-icons/dev/atom.icns differ
diff --git a/resources/app-icons/dev/atom.ico b/resources/app-icons/dev/atom.ico
new file mode 100644
index 000000000..6656f2623
Binary files /dev/null and b/resources/app-icons/dev/atom.ico differ
diff --git a/resources/app-icons/dev/png/1024.png b/resources/app-icons/dev/png/1024.png
new file mode 100644
index 000000000..36dcbf3a7
Binary files /dev/null and b/resources/app-icons/dev/png/1024.png differ
diff --git a/resources/app-icons/dev/png/128.png b/resources/app-icons/dev/png/128.png
new file mode 100644
index 000000000..c0b33e630
Binary files /dev/null and b/resources/app-icons/dev/png/128.png differ
diff --git a/resources/app-icons/dev/png/16.png b/resources/app-icons/dev/png/16.png
new file mode 100644
index 000000000..8466559c2
Binary files /dev/null and b/resources/app-icons/dev/png/16.png differ
diff --git a/resources/app-icons/dev/png/24.png b/resources/app-icons/dev/png/24.png
new file mode 100644
index 000000000..55e6f2da7
Binary files /dev/null and b/resources/app-icons/dev/png/24.png differ
diff --git a/resources/app-icons/dev/png/256.png b/resources/app-icons/dev/png/256.png
new file mode 100644
index 000000000..3faf4d2c5
Binary files /dev/null and b/resources/app-icons/dev/png/256.png differ
diff --git a/resources/app-icons/dev/png/32.png b/resources/app-icons/dev/png/32.png
new file mode 100644
index 000000000..5f3a0e68c
Binary files /dev/null and b/resources/app-icons/dev/png/32.png differ
diff --git a/resources/app-icons/dev/png/48.png b/resources/app-icons/dev/png/48.png
new file mode 100644
index 000000000..adbbcf751
Binary files /dev/null and b/resources/app-icons/dev/png/48.png differ
diff --git a/resources/app-icons/dev/png/512.png b/resources/app-icons/dev/png/512.png
new file mode 100644
index 000000000..c03c309fe
Binary files /dev/null and b/resources/app-icons/dev/png/512.png differ
diff --git a/resources/app-icons/dev/png/64.png b/resources/app-icons/dev/png/64.png
new file mode 100644
index 000000000..8aba24648
Binary files /dev/null and b/resources/app-icons/dev/png/64.png differ
diff --git a/resources/mac/atom.icns b/resources/app-icons/stable/atom.icns
similarity index 100%
rename from resources/mac/atom.icns
rename to resources/app-icons/stable/atom.icns
diff --git a/resources/win/atom.ico b/resources/app-icons/stable/atom.ico
similarity index 100%
rename from resources/win/atom.ico
rename to resources/app-icons/stable/atom.ico
diff --git a/resources/linux/icons/1024.png b/resources/app-icons/stable/png/1024.png
similarity index 100%
rename from resources/linux/icons/1024.png
rename to resources/app-icons/stable/png/1024.png
diff --git a/resources/linux/icons/128.png b/resources/app-icons/stable/png/128.png
similarity index 100%
rename from resources/linux/icons/128.png
rename to resources/app-icons/stable/png/128.png
diff --git a/resources/linux/icons/16.png b/resources/app-icons/stable/png/16.png
similarity index 100%
rename from resources/linux/icons/16.png
rename to resources/app-icons/stable/png/16.png
diff --git a/resources/linux/icons/24.png b/resources/app-icons/stable/png/24.png
similarity index 100%
rename from resources/linux/icons/24.png
rename to resources/app-icons/stable/png/24.png
diff --git a/resources/linux/icons/256.png b/resources/app-icons/stable/png/256.png
similarity index 100%
rename from resources/linux/icons/256.png
rename to resources/app-icons/stable/png/256.png
diff --git a/resources/linux/icons/32.png b/resources/app-icons/stable/png/32.png
similarity index 100%
rename from resources/linux/icons/32.png
rename to resources/app-icons/stable/png/32.png
diff --git a/resources/linux/icons/48.png b/resources/app-icons/stable/png/48.png
similarity index 100%
rename from resources/linux/icons/48.png
rename to resources/app-icons/stable/png/48.png
diff --git a/resources/linux/icons/512.png b/resources/app-icons/stable/png/512.png
similarity index 100%
rename from resources/linux/icons/512.png
rename to resources/app-icons/stable/png/512.png
diff --git a/resources/linux/icons/64.png b/resources/app-icons/stable/png/64.png
similarity index 100%
rename from resources/linux/icons/64.png
rename to resources/app-icons/stable/png/64.png
diff --git a/resources/atom.png b/resources/atom.png
deleted file mode 100644
index a09f04805..000000000
Binary files a/resources/atom.png and /dev/null differ
diff --git a/script/railcar b/script/railcar
index fa3fca2cb..73a4b1dec 100755
--- a/script/railcar
+++ b/script/railcar
@@ -48,12 +48,12 @@ function bumpStableVersion (next) {
 }
 
 function bumpBetaVersion (next) {
-  var newVersion = semver.inc(getCurrentVersion(), 'prerelease', 'beta')
+  var newVersion = semver.inc(getCurrentVersion(), 'preminor', 'beta')
   run('npm version ' + newVersion)(next)
 }
 
 function bumpDevVersion (next) {
-  var newVersion = semver.inc(getCurrentVersion(), 'preminor', 'dev')
+  var newVersion = semver.inc(getCurrentVersion(), 'preminor', 'dev').replace(/\.0$/, '')
   series([
     run('npm --no-git-tag-version version ' + newVersion),
     run('git commit -am "' + newVersion + '"')
diff --git a/spec/fixtures/packages/package-with-cached-incompatible-native-module/main.js b/spec/fixtures/packages/package-with-cached-incompatible-native-module/main.js
new file mode 100644
index 000000000..e69de29bb
diff --git a/spec/fixtures/packages/package-with-cached-incompatible-native-module/package.json b/spec/fixtures/packages/package-with-cached-incompatible-native-module/package.json
new file mode 100644
index 000000000..1db0a0a9d
--- /dev/null
+++ b/spec/fixtures/packages/package-with-cached-incompatible-native-module/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "package-with-cached-incompatible-native-module",
+  "version": "1.0.0",
+  "main": "./main.js",
+  "_atomModuleCache": {
+    "extensions": {
+      ".node": [
+        "node_modules/native-module/build/Release/native.node"
+      ]
+    }
+  }
+}
diff --git a/spec/fixtures/packages/package-with-ignored-incompatible-native-module/main.js b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/main.js
new file mode 100644
index 000000000..e69de29bb
diff --git a/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/compatible-native-module/build/Release/native.node b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/compatible-native-module/build/Release/native.node
new file mode 100644
index 000000000..e69de29bb
diff --git a/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/compatible-native-module/main.js b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/compatible-native-module/main.js
new file mode 100644
index 000000000..e69de29bb
diff --git a/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/compatible-native-module/package.json b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/compatible-native-module/package.json
new file mode 100644
index 000000000..77068f680
--- /dev/null
+++ b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/compatible-native-module/package.json
@@ -0,0 +1,4 @@
+{
+  "name": "compatible-native-module",
+  "main": "./main.js"
+}
diff --git a/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/native-module/build/Release/native.node b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/native-module/build/Release/native.node
new file mode 100644
index 000000000..e69de29bb
diff --git a/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/native-module/main.js b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/native-module/main.js
new file mode 100644
index 000000000..97f5c264e
--- /dev/null
+++ b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/native-module/main.js
@@ -0,0 +1 @@
+throw new Error("this simulates a native module's failure to load")
diff --git a/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/native-module/package.json b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/native-module/package.json
new file mode 100644
index 000000000..cac262cba
--- /dev/null
+++ b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules/native-module/package.json
@@ -0,0 +1,4 @@
+{
+  "name": "native-module",
+  "main": "./main.js"
+}
diff --git a/spec/fixtures/packages/package-with-ignored-incompatible-native-module/package.json b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/package.json
new file mode 100644
index 000000000..4f6206828
--- /dev/null
+++ b/spec/fixtures/packages/package-with-ignored-incompatible-native-module/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "package-with-ignored-incompatible-native-module",
+  "version": "1.0.0",
+  "main": "./main.js",
+  "_atomModuleCache": {
+    "extensions": {
+      ".node": [
+        "node_modules/compatible-native-module/build/Release/native.node"
+      ]
+    }
+  }
+}
diff --git a/spec/package-spec.coffee b/spec/package-spec.coffee
index ef5f5a4c3..e73782219 100644
--- a/spec/package-spec.coffee
+++ b/spec/package-spec.coffee
@@ -19,6 +19,16 @@ describe "Package", ->
       expect(pack.incompatibleModules[0].name).toBe 'native-module'
       expect(pack.incompatibleModules[0].path).toBe path.join(packagePath, 'node_modules', 'native-module')
 
+    it "utilizes _atomModuleCache if present to determine the package's native dependencies", ->
+      packagePath = atom.project.getDirectories()[0]?.resolve('packages/package-with-ignored-incompatible-native-module')
+      pack = new Package(packagePath)
+      expect(pack.getNativeModuleDependencyPaths().length).toBe(1) # doesn't see the incompatible module
+      expect(pack.isCompatible()).toBe true
+
+      packagePath = atom.project.getDirectories()[0]?.resolve('packages/package-with-cached-incompatible-native-module')
+      pack = new Package(packagePath)
+      expect(pack.isCompatible()).toBe false
+
     it "caches the incompatible native modules in local storage", ->
       packagePath = atom.project.getDirectories()[0]?.resolve('packages/package-with-incompatible-native-module')
 
diff --git a/spec/text-editor-component-spec.coffee b/spec/text-editor-component-spec.coffee
index 6aaba6cd4..4b69382b5 100644
--- a/spec/text-editor-component-spec.coffee
+++ b/spec/text-editor-component-spec.coffee
@@ -418,6 +418,24 @@ describe "TextEditorComponent", ->
       expect(leafNodes[0].classList.contains('trailing-whitespace')).toBe true
       expect(leafNodes[0].classList.contains('leading-whitespace')).toBe false
 
+    it "keeps rebuilding lines when continuous reflow is on", ->
+      wrapperNode.setContinuousReflow(true)
+
+      oldLineNodes = componentNode.querySelectorAll(".line")
+
+      advanceClock(10)
+      expect(nextAnimationFrame).toBe(noAnimationFrame)
+
+      advanceClock(component.presenter.minimumReflowInterval - 10)
+      nextAnimationFrame()
+
+      newLineNodes = componentNode.querySelectorAll(".line")
+      expect(oldLineNodes).not.toEqual(newLineNodes)
+
+      wrapperNode.setContinuousReflow(false)
+      advanceClock(component.presenter.minimumReflowInterval)
+      expect(nextAnimationFrame).toBe(noAnimationFrame)
+
     describe "when showInvisibles is enabled", ->
       invisibles = null
 
@@ -855,6 +873,24 @@ describe "TextEditorComponent", ->
       expect(componentNode.querySelector('.gutter').style.display).toBe ''
       expect(component.lineNumberNodeForScreenRow(3)?).toBe true
 
+    it "keeps rebuilding line numbers when continuous reflow is on", ->
+      wrapperNode.setContinuousReflow(true)
+
+      oldLineNodes = componentNode.querySelectorAll(".line-number")
+
+      advanceClock(10)
+      expect(nextAnimationFrame).toBe(noAnimationFrame)
+
+      advanceClock(component.presenter.minimumReflowInterval - 10)
+      nextAnimationFrame()
+
+      newLineNodes = componentNode.querySelectorAll(".line-number")
+      expect(oldLineNodes).not.toEqual(newLineNodes)
+
+      wrapperNode.setContinuousReflow(false)
+      advanceClock(component.presenter.minimumReflowInterval)
+      expect(nextAnimationFrame).toBe(noAnimationFrame)
+
     describe "fold decorations", ->
       describe "rendering fold decorations", ->
         it "adds the foldable class to line numbers when the line is foldable", ->
diff --git a/src/line-number-gutter-component.coffee b/src/line-number-gutter-component.coffee
index f73068c30..b4a5bc168 100644
--- a/src/line-number-gutter-component.coffee
+++ b/src/line-number-gutter-component.coffee
@@ -64,6 +64,9 @@ class LineNumberGutterComponent extends TiledComponent
 
   buildComponentForTile: (id) -> new LineNumbersTileComponent({id, @domElementPool})
 
+  shouldRecreateAllTilesOnUpdate: ->
+    @newState.continuousReflow
+
   ###
   Section: Private Methods
   ###
diff --git a/src/lines-component.coffee b/src/lines-component.coffee
index b618563be..237f24958 100644
--- a/src/lines-component.coffee
+++ b/src/lines-component.coffee
@@ -32,7 +32,7 @@ class LinesComponent extends TiledComponent
     @domNode
 
   shouldRecreateAllTilesOnUpdate: ->
-    @oldState.indentGuidesVisible isnt @newState.indentGuidesVisible
+    @oldState.indentGuidesVisible isnt @newState.indentGuidesVisible or @newState.continuousReflow
 
   beforeUpdateSync: (state) ->
     if @newState.maxHeight isnt @oldState.maxHeight
diff --git a/src/package.coffee b/src/package.coffee
index f3f5cf4a2..6170a645e 100644
--- a/src/package.coffee
+++ b/src/package.coffee
@@ -590,10 +590,20 @@ class Package
       false
 
   # Get an array of all the native modules that this package depends on.
-  # This will recurse through all dependencies.
+  #
+  # First try to get this information from
+  # @metadata._atomModuleCache.extensions. If @metadata._atomModuleCache doesn't
+  # exist, recurse through all dependencies.
   getNativeModuleDependencyPaths: ->
     nativeModulePaths = []
 
+    if @metadata._atomModuleCache?
+      relativeNativeModuleBindingPaths = @metadata._atomModuleCache.extensions?['.node'] ? []
+      for relativeNativeModuleBindingPath in relativeNativeModuleBindingPaths
+        nativeModulePath = path.join(@path, relativeNativeModuleBindingPath, '..', '..', '..')
+        nativeModulePaths.push(nativeModulePath)
+      return nativeModulePaths
+
     traversePath = (nodeModulesPath) =>
       try
         for modulePath in fs.listSync(nodeModulesPath)
diff --git a/src/text-editor-component.coffee b/src/text-editor-component.coffee
index b2f8e0b92..34052af11 100644
--- a/src/text-editor-component.coffee
+++ b/src/text-editor-component.coffee
@@ -832,6 +832,9 @@ class TextEditorComponent
 
   setInputEnabled: (@inputEnabled) -> @inputEnabled
 
+  setContinuousReflow: (continuousReflow) ->
+    @presenter.setContinuousReflow(continuousReflow)
+
   updateParentViewFocusedClassIfNeeded: ->
     if @oldState.focused isnt @newState.focused
       @hostElement.classList.toggle('is-focused', @newState.focused)
diff --git a/src/text-editor-element.coffee b/src/text-editor-element.coffee
index fc027b0d8..55e4e8567 100644
--- a/src/text-editor-element.coffee
+++ b/src/text-editor-element.coffee
@@ -172,6 +172,12 @@ class TextEditorElement extends HTMLElement
 
   isUpdatedSynchronously: -> @updatedSynchronously
 
+  # Extended: Continuously reflows lines and line numbers. (Has performance overhead)
+  #
+  # `continuousReflow` A {Boolean} indicating whether to keep reflowing or not.
+  setContinuousReflow: (continuousReflow) ->
+    @component?.setContinuousReflow(continuousReflow)
+
   # Extended: get the width of a character of text displayed in this element.
   #
   # Returns a {Number} of pixels.
diff --git a/src/text-editor-presenter.coffee b/src/text-editor-presenter.coffee
index f4986fe6a..4699486bf 100644
--- a/src/text-editor-presenter.coffee
+++ b/src/text-editor-presenter.coffee
@@ -11,6 +11,7 @@ class TextEditorPresenter
   mouseWheelScreenRow: null
   scopedCharacterWidthsChangeCount: 0
   overlayDimensions: {}
+  minimumReflowInterval: 200
 
   constructor: (params) ->
     {@model, @autoHeight, @explicitHeight, @contentFrameWidth, @scrollTop, @scrollLeft, @boundingClientRect, @windowWidth, @windowHeight, @gutterWidth} = params
@@ -36,6 +37,7 @@ class TextEditorPresenter
     @buildState()
     @invalidate()
     @startBlinkingCursors() if @focused
+    @startReflowing() if @continuousReflow
     @updating = false
 
   setLinesYardstick: (@linesYardstick) ->
@@ -86,6 +88,7 @@ class TextEditorPresenter
 
     @updateCommonGutterState()
     @updateHorizontalDimensions()
+    @updateReflowState()
 
     @updateFocusedState() if @shouldUpdateFocusedState
     @updateHeightState() if @shouldUpdateHeightState
@@ -256,6 +259,23 @@ class TextEditorPresenter
     @lineNumberGutter =
       tiles: {}
 
+  setContinuousReflow: (@continuousReflow) ->
+    if @continuousReflow
+      @startReflowing()
+    else
+      @stopReflowing()
+
+  updateReflowState: ->
+    @state.content.continuousReflow = @continuousReflow
+    @lineNumberGutter.continuousReflow = @continuousReflow
+
+  startReflowing: ->
+    @reflowingInterval = setInterval(@emitDidUpdateState.bind(this), @minimumReflowInterval)
+
+  stopReflowing: ->
+    clearInterval(@reflowingInterval)
+    @reflowingInterval = null
+
   updateFocusedState: ->
     @state.focused = @focused