diff --git a/CHANGELOG.md b/CHANGELOG.md
deleted file mode 100644
index e69de29bb..000000000
diff --git a/keymaps/default.cson b/keymaps/default.cson
index de0c1362b..1b1b24051 100644
--- a/keymaps/default.cson
+++ b/keymaps/default.cson
@@ -43,8 +43,8 @@
   'meta-w': 'core:close'
   'meta-ctrl-f': 'window:toggle-full-screen'
   'meta-z': 'core:undo'
-  'meta-Z': 'corey:redo'
-  'meta-y': 'corey:redo'
+  'meta-Z': 'core:redo'
+  'meta-y': 'core:redo'
   'meta-x': 'core:cut'
   'meta-c': 'core:copy'
   'meta-v': 'core:paste'
diff --git a/menus/base.cson b/menus/base.cson
index cbe8769de..3ce0c3438 100644
--- a/menus/base.cson
+++ b/menus/base.cson
@@ -154,11 +154,6 @@
     ]
   }
 
-  {
-    label: 'Collaboration'
-    submenu: []
-  }
-
   {
     label: 'Packages'
     submenu: []
diff --git a/package.json b/package.json
index a1dbf08d0..a23576549 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "bugs": {
     "url": "https://github.com/atom/atom/issues"
   },
-  "atomShellVersion": "0.6.6",
+  "atomShellVersion": "0.6.7",
   "dependencies": {
     "async": "0.2.6",
     "bootstrap": "git://github.com/twbs/bootstrap.git#v3.0.0",
@@ -35,7 +35,7 @@
     "season": "0.14.0",
     "semver": "1.1.4",
     "space-pen": "2.0.0",
-    "telepath": "0.19.0",
+    "telepath": "0.20.0",
     "temp": "0.5.0",
     "underscore-plus": "0.2.0"
   },
@@ -62,7 +62,7 @@
     "unzip": "~0.1.9"
   },
   "packageDependencies" : {
-    "atom-light-ui": "0.5.0",
+    "atom-light-ui": "0.6.0",
     "atom-light-syntax": "0.5.0",
     "atom-dark-ui": "0.5.0",
     "atom-dark-syntax": "0.5.0",
@@ -74,7 +74,7 @@
     "autoflow": "0.5.0",
     "autosave": "0.6.0",
     "bookmarks": "0.10.0",
-    "bracket-matcher": "0.8.0",
+    "bracket-matcher": "0.9.0",
     "command-logger": "0.6.0",
     "command-palette": "0.7.0",
     "dev-live-reload": "0.13.0",
@@ -91,7 +91,7 @@
     "link": "0.7.0",
     "markdown-preview": "0.15.0",
     "metrics": "0.8.0",
-    "package-generator": "0.14.0",
+    "package-generator": "0.17.0",
     "release-notes": "0.11.0",
     "settings-view": "0.37.0",
     "snippets": "0.13.0",
@@ -99,7 +99,7 @@
     "status-bar": "0.15.1",
     "styleguide": "0.9.0",
     "symbols-view": "0.18.0",
-    "tabs": "0.7.2",
+    "tabs": "0.8.0",
     "terminal": "0.15.0",
     "timecop": "0.9.0",
     "to-the-hubs": "0.8.0",
@@ -110,7 +110,7 @@
 
     "language-c": "0.2.0",
     "language-clojure": "0.1.0",
-    "language-coffee-script": "0.1.0",
+    "language-coffee-script": "0.2.0",
     "language-css": "0.2.0",
     "language-gfm": "0.8.0",
     "language-git": "0.2.0",
diff --git a/script/bootstrap b/script/bootstrap
index 609a7305c..ec14cfa49 100755
--- a/script/bootstrap
+++ b/script/bootstrap
@@ -24,6 +24,7 @@ var commands = [
   joinCommands('cd vendor/apm', 'npm install --silent .'),
   'npm install --silent vendor/apm',
   echoNewLine,
+  'node node_modules/atom-package-manager/bin/apm clean',
   'node node_modules/atom-package-manager/bin/apm install --silent',
 ];
 
diff --git a/script/cibuild b/script/cibuild
index 39082cb5e..c83d01c45 100755
--- a/script/cibuild
+++ b/script/cibuild
@@ -32,7 +32,6 @@ cp.safeExec.bind(global, 'node script/bootstrap', function(error) {
   async.series([
     require('rimraf').bind(global, path.join(homeDir, '.atom')),
     cp.safeExec.bind(global, 'git clean -dff'),
-    cp.safeExec.bind(global, 'node node_modules/atom-package-manager/bin/apm clean'),
     cp.safeExec.bind(global, 'node node_modules/grunt-cli/bin/grunt ci --stack --no-color'),
   ], function(error) {
     process.exit(error ? 1 : 0);
diff --git a/script/utils/child-process-wrapper.js b/script/utils/child-process-wrapper.js
index c31f80b10..7a401af8e 100644
--- a/script/utils/child-process-wrapper.js
+++ b/script/utils/child-process-wrapper.js
@@ -7,9 +7,16 @@ exports.safeExec = function(command, options, callback) {
     callback = options;
     options = {};
   }
+  if (!options)
+    options = {};
+
+  // This needed to be increase for `apm test` runs that generate tons of failures
+  // The default is 200KB.
+  options.maxBuffer = 1024 * 1024;
+
   var child = childProcess.exec(command, options, function(error, stdout, stderr) {
     if (error)
-      process.exit(error.code);
+      process.exit(error.code || 1);
     else
       callback(null);
   });
diff --git a/spec/project-spec.coffee b/spec/project-spec.coffee
index b12d8683e..fc48ca191 100644
--- a/spec/project-spec.coffee
+++ b/spec/project-spec.coffee
@@ -62,6 +62,22 @@ describe "Project", ->
       expect(project.getEditSessions()[0]).toBe editSession1
       expect(project.getEditSessions()[1]).toBe editSession2
 
+  describe "when an edit session is copied", ->
+    it "emits an 'edit-session-created' event and stores the edit session", ->
+      handler = jasmine.createSpy('editSessionCreatedHandler')
+      project.on 'edit-session-created', handler
+
+      editSession1 = project.openSync("a")
+      expect(handler.callCount).toBe 1
+      expect(project.getEditSessions().length).toBe 1
+      expect(project.getEditSessions()[0]).toBe editSession1
+
+      editSession2 = editSession1.copy()
+      expect(handler.callCount).toBe 2
+      expect(project.getEditSessions().length).toBe 2
+      expect(project.getEditSessions()[0]).toBe editSession1
+      expect(project.getEditSessions()[1]).toBe editSession2
+
   describe ".openSync(path)", ->
     [fooOpener, barOpener, absolutePath, newBufferHandler, newEditSessionHandler] = []
     beforeEach ->
diff --git a/src/edit-session.coffee b/src/edit-session.coffee
index a23427ce2..2cc8397e2 100644
--- a/src/edit-session.coffee
+++ b/src/edit-session.coffee
@@ -162,6 +162,7 @@ class EditSession
     newEditSession.setScrollLeft(@getScrollLeft())
     for marker in @findMarkers(editSessionId: @id)
       marker.copy(editSessionId: newEditSession.id, preserveFolds: true)
+    project.addEditSession(newEditSession)
     newEditSession
 
   # Public: Retrieves the filename of the open file.
diff --git a/src/editor.coffee b/src/editor.coffee
index a422d8a77..e657781dc 100644
--- a/src/editor.coffee
+++ b/src/editor.coffee
@@ -720,9 +720,9 @@ class Editor extends View
       selectedText = @getSelectedText()
       @hiddenInput.css('width', '100%')
     @hiddenInput.on 'compositionupdate', (e) =>
-      @insertText(e.originalEvent.data, {select: true, skipUndo: true})
+      @insertText(e.originalEvent.data, {select: true, undo: 'skip'})
     @hiddenInput.on 'compositionend', =>
-      @insertText(selectedText, {select: true, skipUndo: true})
+      @insertText(selectedText, {select: true, undo: 'skip'})
       @hiddenInput.css('width', '1px')
 
     lastInput = ''
diff --git a/src/selection.coffee b/src/selection.coffee
index 483f9d32f..22223aa03 100644
--- a/src/selection.coffee
+++ b/src/selection.coffee
@@ -1,5 +1,6 @@
 {Range} = require 'telepath'
 {Emitter} = require 'emissary'
+{pick} = require 'underscore-plus'
 
 # Public: Represents a selection in the {EditSession}.
 module.exports =
@@ -297,8 +298,8 @@ class Selection
   #    + autoDecreaseIndent:
   #      if `true`, decreases indent level appropriately (for example, when a
   #      closing bracket is inserted)
-  #    + skipUndo:
-  #      if `true`, skips the undo stack for this operation.
+  #    + undo:
+  #      if `skip`, skips the undo stack for this operation.
   insertText: (text, options={}) ->
     oldBufferRange = @getBufferRange()
     @editSession.destroyFoldsContainingBufferRow(oldBufferRange.end.row)
@@ -309,7 +310,7 @@ class Selection
     if options.indentBasis? and not options.autoIndent
       text = @normalizeIndents(text, options.indentBasis)
 
-    newBufferRange = @editSession.buffer.change(oldBufferRange, text, skipUndo: options.skipUndo)
+    newBufferRange = @editSession.buffer.change(oldBufferRange, text, pick(options, 'undo'))
     if options.select
       @setBufferRange(newBufferRange, isReversed: wasReversed)
     else