diff --git a/addons/a11y/package.json b/addons/a11y/package.json
index b7f851190b7..2782a897294 100644
--- a/addons/a11y/package.json
+++ b/addons/a11y/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-a11y",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "a11y addon for storybook",
   "keywords": [
     "a11y",
@@ -29,10 +29,10 @@
   },
   "dependencies": {
     "@emotion/styled": "^0.10.6",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/client-logger": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/client-logger": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
     "axe-core": "^3.1.2",
     "global": "^4.3.2",
     "prop-types": "^15.6.2"
diff --git a/addons/actions/package.json b/addons/actions/package.json
index d95de4e9f0b..273dc534ab9 100644
--- a/addons/actions/package.json
+++ b/addons/actions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-actions",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Action Logger addon for storybook",
   "keywords": [
     "storybook"
@@ -26,9 +26,9 @@
     "@emotion/core": "^0.13.1",
     "@emotion/provider": "^0.11.2",
     "@emotion/styled": "^0.10.6",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
     "deep-equal": "^1.0.1",
     "global": "^4.3.2",
     "lodash": "^4.17.11",
diff --git a/addons/backgrounds/package.json b/addons/backgrounds/package.json
index 6f32e358ed9..27c85249afd 100644
--- a/addons/backgrounds/package.json
+++ b/addons/backgrounds/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-backgrounds",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "A storybook addon to show different backgrounds for your preview",
   "keywords": [
     "addon",
@@ -28,8 +28,8 @@
   },
   "dependencies": {
     "@emotion/styled": "^0.10.6",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
     "global": "^4.3.2",
     "prop-types": "^15.6.2",
     "util-deprecate": "^1.0.2"
diff --git a/addons/centered/package.json b/addons/centered/package.json
index 32e0b9da225..ea7c23d1d4e 100644
--- a/addons/centered/package.json
+++ b/addons/centered/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-centered",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook decorator to center components",
   "keywords": [
     "addon",
diff --git a/addons/cssresources/package.json b/addons/cssresources/package.json
index ad129184a47..90149c3de51 100644
--- a/addons/cssresources/package.json
+++ b/addons/cssresources/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-cssresources",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "A storybook addon to switch between css resources at runtime for your story",
   "keywords": [
     "addon",
@@ -28,9 +28,9 @@
   },
   "dependencies": {
     "@emotion/styled": "0.10.6",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
     "global": "^4.3.2",
     "prop-types": "^15.6.2",
     "react-syntax-highlighter": "^10.0.0",
diff --git a/addons/events/package.json b/addons/events/package.json
index e2eed24aeb8..8bcdaa5b9ec 100644
--- a/addons/events/package.json
+++ b/addons/events/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-events",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Add events to your Storybook stories.",
   "keywords": [
     "addon",
@@ -27,8 +27,8 @@
   },
   "dependencies": {
     "@emotion/styled": "^0.10.6",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
     "format-json": "^1.0.3",
     "prop-types": "^15.6.2",
     "react-lifecycles-compat": "^3.0.4",
diff --git a/addons/google-analytics/package.json b/addons/google-analytics/package.json
index 459b49eeda7..d0c08ab0234 100644
--- a/addons/google-analytics/package.json
+++ b/addons/google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-google-analytics",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook addon for google analytics",
   "keywords": [
     "addon",
@@ -24,7 +24,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
     "global": "^4.3.2",
     "react-ga": "^2.5.3"
   }
diff --git a/addons/graphql/package.json b/addons/graphql/package.json
index 9fc2e3b67d1..c8ab934a9f4 100644
--- a/addons/graphql/package.json
+++ b/addons/graphql/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-graphql",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook addon to display the GraphiQL IDE",
   "keywords": [
     "addon",
diff --git a/addons/info/package.json b/addons/info/package.json
index cb1c6f0a7de..cf7897dff48 100644
--- a/addons/info/package.json
+++ b/addons/info/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-info",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "A Storybook addon to show additional information for your stories.",
   "keywords": [
     "addon",
@@ -25,9 +25,9 @@
   },
   "dependencies": {
     "@emotion/styled": "^0.10.6",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/client-logger": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/client-logger": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
     "core-js": "2.5.7",
     "global": "^4.3.2",
     "marksy": "^6.1.0",
diff --git a/addons/jest/package.json b/addons/jest/package.json
index 09d790290ca..31cfb453aaa 100644
--- a/addons/jest/package.json
+++ b/addons/jest/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-jest",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "React storybook addon that show component jest report",
   "keywords": [
     "addon",
@@ -31,8 +31,8 @@
   },
   "dependencies": {
     "@emotion/styled": "^0.10.6",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
     "global": "^4.3.2",
     "prop-types": "^15.6.2",
     "upath": "^1.1.0",
diff --git a/addons/knobs/package.json b/addons/knobs/package.json
index 6dacc2a26f9..3210d28763c 100644
--- a/addons/knobs/package.json
+++ b/addons/knobs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-knobs",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook Addon Prop Editor Component",
   "keywords": [
     "addon",
@@ -25,9 +25,9 @@
   },
   "dependencies": {
     "@emotion/styled": "^0.10.6",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
     "copy-to-clipboard": "^3.0.8",
     "escape-html": "^1.0.3",
     "fast-deep-equal": "^2.0.1",
diff --git a/addons/links/package.json b/addons/links/package.json
index 5ccd5644540..476bdf6442a 100644
--- a/addons/links/package.json
+++ b/addons/links/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-links",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Story Links addon for storybook",
   "keywords": [
     "addon",
@@ -24,9 +24,9 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
     "global": "^4.3.2",
     "prop-types": "^15.6.2"
   },
diff --git a/addons/notes/package.json b/addons/notes/package.json
index 150725cb88d..9a25dec6ef5 100644
--- a/addons/notes/package.json
+++ b/addons/notes/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-notes",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Write notes for your Storybook stories.",
   "keywords": [
     "addon",
@@ -26,7 +26,7 @@
   },
   "dependencies": {
     "@emotion/styled": "^0.10.6",
-    "@storybook/addons": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
     "marked": "^0.5.1",
     "prop-types": "^15.6.2"
   },
diff --git a/addons/ondevice-backgrounds/package.json b/addons/ondevice-backgrounds/package.json
index d59f8ed2238..f48de7a2daf 100644
--- a/addons/ondevice-backgrounds/package.json
+++ b/addons/ondevice-backgrounds/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-ondevice-backgrounds",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "A storybook addon to show different backgrounds for your preview",
   "keywords": [
     "addon",
@@ -26,7 +26,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
     "prop-types": "^15.6.2"
   },
   "peerDependencies": {
diff --git a/addons/ondevice-knobs/package.json b/addons/ondevice-knobs/package.json
index d694441bd13..62e7ee2215e 100644
--- a/addons/ondevice-knobs/package.json
+++ b/addons/ondevice-knobs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-ondevice-knobs",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Display storybook story knobs on your deviced.",
   "keywords": [
     "addon",
@@ -23,7 +23,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
     "deep-equal": "^1.0.1",
     "prop-types": "^15.6.2",
     "react-native-color-picker": "^0.4.0",
diff --git a/addons/ondevice-notes/package.json b/addons/ondevice-notes/package.json
index 01611f96716..7b1c7bb51fd 100644
--- a/addons/ondevice-notes/package.json
+++ b/addons/ondevice-notes/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-ondevice-notes",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Write notes for your Storybook stories.",
   "keywords": [
     "addon",
@@ -21,7 +21,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
     "prop-types": "^15.6.2",
     "react-native-simple-markdown": "^1.1.0"
   },
diff --git a/addons/options/package.json b/addons/options/package.json
index 2446436aee1..7698db65c71 100644
--- a/addons/options/package.json
+++ b/addons/options/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-options",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Options addon for storybook",
   "keywords": [
     "addon",
@@ -23,7 +23,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
     "util-deprecate": "^1.0.2"
   },
   "peerDependencies": {
diff --git a/addons/storyshots/storyshots-core/package.json b/addons/storyshots/storyshots-core/package.json
index ccf8f2a9732..045eb2d4f69 100644
--- a/addons/storyshots/storyshots-core/package.json
+++ b/addons/storyshots/storyshots-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-storyshots",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "StoryShots is a Jest Snapshot Testing Addon for Storybook.",
   "keywords": [
     "addon",
@@ -28,17 +28,17 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@storybook/addons": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
     "glob": "^7.1.3",
     "global": "^4.3.2",
     "jest-specific-snapshot": "^1.0.0",
     "read-pkg-up": "^4.0.0"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
     "@storybook/addons": "4.1.0-alpha.1",
-    "@storybook/react": "4.1.0-alpha.8",
+    "@storybook/react": "4.1.0-alpha.9",
     "enzyme-to-json": "^3.3.4",
     "react": "^16.6.0"
   }
diff --git a/addons/storyshots/storyshots-puppeteer/package.json b/addons/storyshots/storyshots-puppeteer/package.json
index c33a28542cd..c0e188dc104 100644
--- a/addons/storyshots/storyshots-puppeteer/package.json
+++ b/addons/storyshots/storyshots-puppeteer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-storyshots-puppeteer",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Image snappshots addition to StoryShots base on puppeteer",
   "keywords": [
     "addon",
@@ -25,7 +25,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@storybook/node-logger": "4.1.0-alpha.8",
+    "@storybook/node-logger": "4.1.0-alpha.9",
     "jest-image-snapshot": "^2.6.0",
     "puppeteer": "^1.9.0"
   },
diff --git a/addons/storysource/package.json b/addons/storysource/package.json
index 79456f7d9e8..335e56d99f4 100644
--- a/addons/storysource/package.json
+++ b/addons/storysource/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-storysource",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Stories addon for storybook",
   "keywords": [
     "addon",
@@ -25,8 +25,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
     "estraverse": "^4.2.0",
     "loader-utils": "^1.1.0",
     "prettier": "^1.14.3",
diff --git a/addons/viewport/package.json b/addons/viewport/package.json
index 48911270a14..43bd38a6f94 100644
--- a/addons/viewport/package.json
+++ b/addons/viewport/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addon-viewport",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook addon to change the viewport size to mobile",
   "keywords": [
     "addon",
@@ -24,9 +24,9 @@
   },
   "dependencies": {
     "@emotion/styled": "^0.10.6",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
     "global": "^4.3.2",
     "prop-types": "^15.6.2",
     "util-deprecate": "^1.0.2"
diff --git a/app/angular/package.json b/app/angular/package.json
index b48a79edf60..d6735803d31 100644
--- a/app/angular/package.json
+++ b/app/angular/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/angular",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook for Angular: Develop Angular Components in isolation with Hot Reloading.",
   "keywords": [
     "storybook"
@@ -29,8 +29,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@storybook/core": "4.1.0-alpha.8",
-    "@storybook/node-logger": "4.1.0-alpha.8",
+    "@storybook/core": "4.1.0-alpha.9",
+    "@storybook/node-logger": "4.1.0-alpha.9",
     "angular2-template-loader": "^0.6.2",
     "core-js": "^2.5.7",
     "fork-ts-checker-webpack-plugin": "^0.4.14",
diff --git a/app/ember/package.json b/app/ember/package.json
index 71af9744c25..c6ade3f2c89 100644
--- a/app/ember/package.json
+++ b/app/ember/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/ember",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook for Ember: Develop Ember Component in isolation with Hot Reloading.",
   "homepage": "https://github.com/storybooks/storybook/tree/master/app/ember",
   "publishConfig": {
@@ -27,7 +27,7 @@
   "dependencies": {
     "@babel/runtime": "^7.1.2",
     "@ember/test-helpers": "^1.0.0",
-    "@storybook/core": "4.1.0-alpha.8",
+    "@storybook/core": "4.1.0-alpha.9",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "react": "^16.6.0",
diff --git a/app/html/package.json b/app/html/package.json
index ca6b4de8c18..eb3d4a16453 100644
--- a/app/html/package.json
+++ b/app/html/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/html",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook for HTML: View HTML snippets in isolation with Hot Reloading.",
   "keywords": [
     "storybook"
@@ -28,7 +28,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@storybook/core": "4.1.0-alpha.8",
+    "@storybook/core": "4.1.0-alpha.9",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "html-loader": "^0.5.5",
diff --git a/app/marko/package.json b/app/marko/package.json
index 95758035eb8..0de39216251 100644
--- a/app/marko/package.json
+++ b/app/marko/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/marko",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook for Marko: Develop Marko Component in isolation with Hot Reloading.",
   "keywords": [
     "storybook"
@@ -29,7 +29,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@storybook/core": "4.1.0-alpha.8",
+    "@storybook/core": "4.1.0-alpha.9",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "marko-loader": "^1.3.3",
diff --git a/app/mithril/package.json b/app/mithril/package.json
index e41849df12e..2f6ce9a131d 100644
--- a/app/mithril/package.json
+++ b/app/mithril/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/mithril",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook for Mithril: Develop Mithril Component in isolation.",
   "keywords": [
     "storybook"
@@ -30,7 +30,7 @@
   "dependencies": {
     "@babel/plugin-transform-react-jsx": "^7.0.0",
     "@babel/runtime": "^7.1.2",
-    "@storybook/core": "4.1.0-alpha.8",
+    "@storybook/core": "4.1.0-alpha.9",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "react": "^16.6.0",
diff --git a/app/polymer/package.json b/app/polymer/package.json
index 8d4601bc034..6cf6a52200a 100644
--- a/app/polymer/package.json
+++ b/app/polymer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/polymer",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook for Polymer: Develop Polymer components in isolation with Hot Reloading.",
   "keywords": [
     "storybook"
@@ -29,7 +29,7 @@
   "dependencies": {
     "@babel/polyfill": "^7.0.0",
     "@babel/runtime": "^7.1.2",
-    "@storybook/core": "4.1.0-alpha.8",
+    "@storybook/core": "4.1.0-alpha.9",
     "@webcomponents/webcomponentsjs": "^1.2.0",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
diff --git a/app/react-native/package.json b/app/react-native/package.json
index cc25c4f8ce2..46cc5fd81b9 100644
--- a/app/react-native/package.json
+++ b/app/react-native/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/react-native",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "A better way to develop React Native Components for your app",
   "keywords": [
     "react",
@@ -28,12 +28,12 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/channel-websocket": "4.1.0-alpha.8",
-    "@storybook/channels": "4.1.0-alpha.8",
-    "@storybook/core": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
-    "@storybook/ui": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/channel-websocket": "4.1.0-alpha.9",
+    "@storybook/channels": "4.1.0-alpha.9",
+    "@storybook/core": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
+    "@storybook/ui": "4.1.0-alpha.9",
     "babel-loader": "^8.0.4",
     "babel-plugin-macros": "^2.4.2",
     "babel-plugin-syntax-async-functions": "^6.13.0",
diff --git a/app/react/package.json b/app/react/package.json
index bac12d10e43..c1fa8137893 100644
--- a/app/react/package.json
+++ b/app/react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/react",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook for React: Develop React Component in isolation with Hot Reloading.",
   "keywords": [
     "storybook"
@@ -33,8 +33,8 @@
     "@babel/preset-react": "^7.0.0",
     "@babel/runtime": "^7.1.2",
     "@emotion/styled": "^0.10.6",
-    "@storybook/core": "4.1.0-alpha.8",
-    "@storybook/node-logger": "4.1.0-alpha.8",
+    "@storybook/core": "4.1.0-alpha.9",
+    "@storybook/node-logger": "4.1.0-alpha.9",
     "@svgr/webpack": "^4.0.3",
     "babel-plugin-named-asset-import": "^0.2.3",
     "babel-plugin-react-docgen": "^2.0.0",
diff --git a/app/riot/package.json b/app/riot/package.json
index afcddfc5234..acccd27113e 100644
--- a/app/riot/package.json
+++ b/app/riot/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/riot",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook for riot.js: View riot snippets in isolation with Hot Reloading.",
   "keywords": [
     "storybook"
@@ -28,7 +28,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@storybook/core": "4.1.0-alpha.8",
+    "@storybook/core": "4.1.0-alpha.9",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "raw-loader": "^0.5.1",
diff --git a/app/svelte/package.json b/app/svelte/package.json
index bc35ec6322c..4ca2b0e8e7e 100644
--- a/app/svelte/package.json
+++ b/app/svelte/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/svelte",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook for Svelte: Develop Svelte Component in isolation with Hot Reloading.",
   "keywords": [
     "storybook"
@@ -28,7 +28,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/core": "4.1.0-alpha.8",
+    "@storybook/core": "4.1.0-alpha.9",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "react": "^16.6.0",
diff --git a/app/vue/package.json b/app/vue/package.json
index 1feec061ede..09908c51d7e 100644
--- a/app/vue/package.json
+++ b/app/vue/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/vue",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook for Vue: Develop Vue Component in isolation with Hot Reloading.",
   "keywords": [
     "storybook"
@@ -29,7 +29,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "@storybook/core": "4.1.0-alpha.8",
+    "@storybook/core": "4.1.0-alpha.9",
     "common-tags": "^1.8.0",
     "global": "^4.3.2",
     "react": "^16.6.0",
diff --git a/examples/angular-cli/package.json b/examples/angular-cli/package.json
index bd9196246fa..5a95725f355 100644
--- a/examples/angular-cli/package.json
+++ b/examples/angular-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-cli",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "license": "MIT",
   "scripts": {
@@ -33,18 +33,18 @@
     "@angular-devkit/build-angular": "^0.10.3",
     "@angular/cli": "^7.0.3",
     "@angular/compiler-cli": "^7.0.1",
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-backgrounds": "4.1.0-alpha.8",
-    "@storybook/addon-centered": "4.1.0-alpha.8",
-    "@storybook/addon-jest": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storyshots": "4.1.0-alpha.8",
-    "@storybook/addon-storysource": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/angular": "4.1.0-alpha.8",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-backgrounds": "4.1.0-alpha.9",
+    "@storybook/addon-centered": "4.1.0-alpha.9",
+    "@storybook/addon-jest": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storyshots": "4.1.0-alpha.9",
+    "@storybook/addon-storysource": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/angular": "4.1.0-alpha.9",
     "@types/core-js": "^2.5.0",
     "@types/jest": "^23.3.9",
     "@types/node": "~10.12.1",
diff --git a/examples/cra-kitchen-sink/package.json b/examples/cra-kitchen-sink/package.json
index f3dd96dda4f..1781cfa85df 100644
--- a/examples/cra-kitchen-sink/package.json
+++ b/examples/cra-kitchen-sink/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cra-kitchen-sink",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "scripts": {
     "build": "react-scripts build",
@@ -19,21 +19,21 @@
   },
   "devDependencies": {
     "@emotion/snapshot-serializer": "^0.8.2",
-    "@storybook/addon-a11y": "4.1.0-alpha.8",
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-backgrounds": "4.1.0-alpha.8",
-    "@storybook/addon-centered": "4.1.0-alpha.8",
-    "@storybook/addon-events": "4.1.0-alpha.8",
-    "@storybook/addon-info": "4.1.0-alpha.8",
-    "@storybook/addon-jest": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storyshots": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/client-logger": "4.1.0-alpha.8",
-    "@storybook/react": "4.1.0-alpha.8",
+    "@storybook/addon-a11y": "4.1.0-alpha.9",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-backgrounds": "4.1.0-alpha.9",
+    "@storybook/addon-centered": "4.1.0-alpha.9",
+    "@storybook/addon-events": "4.1.0-alpha.9",
+    "@storybook/addon-info": "4.1.0-alpha.9",
+    "@storybook/addon-jest": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storyshots": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/client-logger": "4.1.0-alpha.9",
+    "@storybook/react": "4.1.0-alpha.9",
     "enzyme": "^3.7.0",
     "enzyme-adapter-react-16": "^1.6.0",
     "enzyme-to-json": "^3.3.4",
diff --git a/examples/ember-cli/package.json b/examples/ember-cli/package.json
index c7e5e37d985..cd2a4ef99ce 100644
--- a/examples/ember-cli/package.json
+++ b/examples/ember-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ember-example",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "scripts": {
     "build": "ember build",
@@ -11,18 +11,18 @@
   },
   "devDependencies": {
     "@babel/core": "^7.1.2",
-    "@storybook/addon-a11y": "4.1.0-alpha.8",
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-backgrounds": "4.1.0-alpha.8",
-    "@storybook/addon-centered": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storysource": "4.1.0-alpha.8",
-    "@storybook/addon-viewport": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/ember": "4.1.0-alpha.8",
+    "@storybook/addon-a11y": "4.1.0-alpha.9",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-backgrounds": "4.1.0-alpha.9",
+    "@storybook/addon-centered": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storysource": "4.1.0-alpha.9",
+    "@storybook/addon-viewport": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/ember": "4.1.0-alpha.9",
     "babel-loader": "^8",
     "broccoli-asset-rev": "^3.0.0",
     "cross-env": "^5.2.0",
diff --git a/examples/html-kitchen-sink/package.json b/examples/html-kitchen-sink/package.json
index d9d62612a06..f13cdc4e66f 100644
--- a/examples/html-kitchen-sink/package.json
+++ b/examples/html-kitchen-sink/package.json
@@ -1,6 +1,6 @@
 {
   "name": "html-kitchen-sink",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "description": "",
   "keywords": [],
@@ -13,23 +13,23 @@
     "storybook": "start-storybook -p 9006"
   },
   "devDependencies": {
-    "@storybook/addon-a11y": "4.1.0-alpha.8",
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-backgrounds": "4.1.0-alpha.8",
-    "@storybook/addon-centered": "4.1.0-alpha.8",
-    "@storybook/addon-events": "4.1.0-alpha.8",
-    "@storybook/addon-jest": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storyshots": "4.1.0-alpha.8",
-    "@storybook/addon-storysource": "4.1.0-alpha.8",
-    "@storybook/addon-viewport": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/core": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
-    "@storybook/html": "4.1.0-alpha.8",
+    "@storybook/addon-a11y": "4.1.0-alpha.9",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-backgrounds": "4.1.0-alpha.9",
+    "@storybook/addon-centered": "4.1.0-alpha.9",
+    "@storybook/addon-events": "4.1.0-alpha.9",
+    "@storybook/addon-jest": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storyshots": "4.1.0-alpha.9",
+    "@storybook/addon-storysource": "4.1.0-alpha.9",
+    "@storybook/addon-viewport": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/core": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
+    "@storybook/html": "4.1.0-alpha.9",
     "eventemitter3": "^3.1.0",
     "format-json": "^1.0.3",
     "global": "^4.3.2",
diff --git a/examples/marko-cli/package.json b/examples/marko-cli/package.json
index d20d9715f33..5a5635461d3 100644
--- a/examples/marko-cli/package.json
+++ b/examples/marko-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "marko-cli",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "description": "Demo of how to build an app using marko-starter",
   "repository": {
@@ -22,12 +22,12 @@
     "marko-starter": "^2.0.4"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storysource": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/marko": "4.1.0-alpha.8",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storysource": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/marko": "4.1.0-alpha.9",
     "prettier": "^1.14.3",
     "webpack": "^4.23.1"
   }
diff --git a/examples/mithril-kitchen-sink/package.json b/examples/mithril-kitchen-sink/package.json
index 802ed57b3ee..6681f3f4862 100644
--- a/examples/mithril-kitchen-sink/package.json
+++ b/examples/mithril-kitchen-sink/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mithril-example",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "scripts": {
     "build-storybook": "build-storybook",
@@ -10,18 +10,18 @@
     "mithril": "^1.1.6"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-backgrounds": "4.1.0-alpha.8",
-    "@storybook/addon-centered": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storyshots": "4.1.0-alpha.8",
-    "@storybook/addon-storysource": "4.1.0-alpha.8",
-    "@storybook/addon-viewport": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/mithril": "4.1.0-alpha.8",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-backgrounds": "4.1.0-alpha.9",
+    "@storybook/addon-centered": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storyshots": "4.1.0-alpha.9",
+    "@storybook/addon-storysource": "4.1.0-alpha.9",
+    "@storybook/addon-viewport": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/mithril": "4.1.0-alpha.9",
     "webpack": "^4.23.1"
   }
 }
diff --git a/examples/official-storybook/package.json b/examples/official-storybook/package.json
index 1e2fce24ac5..da53952ed16 100644
--- a/examples/official-storybook/package.json
+++ b/examples/official-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "official-storybook",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "scripts": {
     "build-storybook": "build-storybook -c ./ -s built-storybooks",
@@ -16,28 +16,28 @@
     "@emotion/provider": "^0.11.2",
     "@emotion/snapshot-serializer": "^0.8.2",
     "@emotion/styled": "^0.10.6",
-    "@storybook/addon-a11y": "4.1.0-alpha.8",
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-backgrounds": "4.1.0-alpha.8",
-    "@storybook/addon-centered": "4.1.0-alpha.8",
-    "@storybook/addon-cssresources": "4.1.0-alpha.8",
-    "@storybook/addon-events": "4.1.0-alpha.8",
-    "@storybook/addon-graphql": "4.1.0-alpha.8",
-    "@storybook/addon-info": "4.1.0-alpha.8",
-    "@storybook/addon-jest": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storyshots": "4.1.0-alpha.8",
-    "@storybook/addon-storyshots-puppeteer": "4.1.0-alpha.8",
-    "@storybook/addon-storysource": "4.1.0-alpha.8",
-    "@storybook/addon-viewport": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
-    "@storybook/node-logger": "4.1.0-alpha.8",
-    "@storybook/react": "4.1.0-alpha.8",
+    "@storybook/addon-a11y": "4.1.0-alpha.9",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-backgrounds": "4.1.0-alpha.9",
+    "@storybook/addon-centered": "4.1.0-alpha.9",
+    "@storybook/addon-cssresources": "4.1.0-alpha.9",
+    "@storybook/addon-events": "4.1.0-alpha.9",
+    "@storybook/addon-graphql": "4.1.0-alpha.9",
+    "@storybook/addon-info": "4.1.0-alpha.9",
+    "@storybook/addon-jest": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storyshots": "4.1.0-alpha.9",
+    "@storybook/addon-storyshots-puppeteer": "4.1.0-alpha.9",
+    "@storybook/addon-storysource": "4.1.0-alpha.9",
+    "@storybook/addon-viewport": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
+    "@storybook/node-logger": "4.1.0-alpha.9",
+    "@storybook/react": "4.1.0-alpha.9",
     "cors": "^2.8.4",
     "cross-env": "^5.2.0",
     "enzyme-to-json": "^3.3.4",
diff --git a/examples/polymer-cli/package.json b/examples/polymer-cli/package.json
index 4a0366f7bb2..600dc5fcff2 100644
--- a/examples/polymer-cli/package.json
+++ b/examples/polymer-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "polymer-cli",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "scripts": {
     "build-storybook": "build-storybook",
@@ -9,15 +9,15 @@
   },
   "dependencies": {
     "@polymer/polymer": "^2.6.0",
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-backgrounds": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storysource": "4.1.0-alpha.8",
-    "@storybook/addon-viewport": "4.1.0-alpha.8",
-    "@storybook/polymer": "4.1.0-alpha.8",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-backgrounds": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storysource": "4.1.0-alpha.9",
+    "@storybook/addon-viewport": "4.1.0-alpha.9",
+    "@storybook/polymer": "4.1.0-alpha.9",
     "@webcomponents/webcomponentsjs": "^1.2.0",
     "global": "^4.3.2",
     "lit-html": "^0.12.0",
diff --git a/examples/riot-kitchen-sink/package.json b/examples/riot-kitchen-sink/package.json
index 5577b7fdaf2..1c5cde341ce 100644
--- a/examples/riot-kitchen-sink/package.json
+++ b/examples/riot-kitchen-sink/package.json
@@ -1,6 +1,6 @@
 {
   "name": "riot-example",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "scripts": {
     "build": "cross-env NODE_ENV=production webpack --progress --hide-modules",
@@ -15,18 +15,18 @@
   },
   "devDependencies": {
     "@babel/core": "^7.1.2",
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-backgrounds": "4.1.0-alpha.8",
-    "@storybook/addon-centered": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storyshots": "4.1.0-alpha.8",
-    "@storybook/addon-storysource": "4.1.0-alpha.8",
-    "@storybook/addon-viewport": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/riot": "4.1.0-alpha.8",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-backgrounds": "4.1.0-alpha.9",
+    "@storybook/addon-centered": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storyshots": "4.1.0-alpha.9",
+    "@storybook/addon-storysource": "4.1.0-alpha.9",
+    "@storybook/addon-viewport": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/riot": "4.1.0-alpha.9",
     "babel-loader": "^8.0.4",
     "cross-env": "^5.2.0",
     "file-loader": "^2.0.0",
diff --git a/examples/svelte-kitchen-sink/package.json b/examples/svelte-kitchen-sink/package.json
index e63dae7f1e3..8372c1c4978 100644
--- a/examples/svelte-kitchen-sink/package.json
+++ b/examples/svelte-kitchen-sink/package.json
@@ -1,6 +1,6 @@
 {
   "name": "svelte-example",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "scripts": {
     "build-storybook": "build-storybook -s public",
@@ -10,17 +10,17 @@
     "global": "^4.3.2"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-backgrounds": "4.1.0-alpha.8",
-    "@storybook/addon-centered": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storyshots": "4.1.0-alpha.8",
-    "@storybook/addon-storysource": "4.1.0-alpha.8",
-    "@storybook/addon-viewport": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/svelte": "4.1.0-alpha.8"
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-backgrounds": "4.1.0-alpha.9",
+    "@storybook/addon-centered": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storyshots": "4.1.0-alpha.9",
+    "@storybook/addon-storysource": "4.1.0-alpha.9",
+    "@storybook/addon-viewport": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/svelte": "4.1.0-alpha.9"
   }
 }
diff --git a/examples/vue-kitchen-sink/package.json b/examples/vue-kitchen-sink/package.json
index 19d2804e82b..e79c2d5e94c 100644
--- a/examples/vue-kitchen-sink/package.json
+++ b/examples/vue-kitchen-sink/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-example",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "private": true,
   "scripts": {
     "build": "cross-env NODE_ENV=production webpack --progress --hide-modules",
@@ -14,18 +14,18 @@
   },
   "devDependencies": {
     "@babel/core": "^7.1.2",
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-backgrounds": "4.1.0-alpha.8",
-    "@storybook/addon-centered": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storyshots": "4.1.0-alpha.8",
-    "@storybook/addon-storysource": "4.1.0-alpha.8",
-    "@storybook/addon-viewport": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/vue": "4.1.0-alpha.8",
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-backgrounds": "4.1.0-alpha.9",
+    "@storybook/addon-centered": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storyshots": "4.1.0-alpha.9",
+    "@storybook/addon-storysource": "4.1.0-alpha.9",
+    "@storybook/addon-viewport": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/vue": "4.1.0-alpha.9",
     "babel-core": "^7.0.0-bridge.0",
     "babel-loader": "^8.0.4",
     "cross-env": "^5.2.0",
diff --git a/lerna.json b/lerna.json
index d8022ada9a7..cb1e98e0857 100644
--- a/lerna.json
+++ b/lerna.json
@@ -10,5 +10,5 @@
   "npmClient": "yarn",
   "useWorkspaces": true,
   "registry": "https://registry.npmjs.org",
-  "version": "4.1.0-alpha.8"
+  "version": "4.1.0-alpha.9"
 }
diff --git a/lib/addons/package.json b/lib/addons/package.json
index f6719e07431..5f9aa4ac2e6 100644
--- a/lib/addons/package.json
+++ b/lib/addons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/addons",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook addons store",
   "keywords": [
     "storybook"
@@ -23,8 +23,8 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/channels": "4.1.0-alpha.8",
-    "@storybook/components": "4.1.0-alpha.8",
+    "@storybook/channels": "4.1.0-alpha.9",
+    "@storybook/components": "4.1.0-alpha.9",
     "global": "^4.3.2",
     "util-deprecate": "^1.0.2"
   }
diff --git a/lib/channel-postmessage/package.json b/lib/channel-postmessage/package.json
index 00866fb1530..d7904171df8 100644
--- a/lib/channel-postmessage/package.json
+++ b/lib/channel-postmessage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/channel-postmessage",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "",
   "keywords": [
     "storybook"
@@ -23,7 +23,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/channels": "4.1.0-alpha.8",
+    "@storybook/channels": "4.1.0-alpha.9",
     "global": "^4.3.2",
     "json-stringify-safe": "^5.0.1"
   }
diff --git a/lib/channel-websocket/package.json b/lib/channel-websocket/package.json
index d5728c9d348..d8fea4da7da 100644
--- a/lib/channel-websocket/package.json
+++ b/lib/channel-websocket/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/channel-websocket",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "",
   "keywords": [
     "storybook"
@@ -23,7 +23,7 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/channels": "4.1.0-alpha.8",
+    "@storybook/channels": "4.1.0-alpha.9",
     "global": "^4.3.2"
   }
 }
diff --git a/lib/channels/package.json b/lib/channels/package.json
index 614cf7fbab1..98cd9e03583 100644
--- a/lib/channels/package.json
+++ b/lib/channels/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/channels",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "",
   "keywords": [
     "storybook"
diff --git a/lib/cli/package.json b/lib/cli/package.json
index f2db16bcd03..cbd3ab4b029 100644
--- a/lib/cli/package.json
+++ b/lib/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/cli",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook's CLI - easiest method of adding storybook to your projects",
   "keywords": [
     "cli",
@@ -34,7 +34,7 @@
     "@babel/preset-env": "^7.1.0",
     "@babel/register": "^7.0.0",
     "@babel/runtime": "^7.1.2",
-    "@storybook/codemod": "4.1.0-alpha.8",
+    "@storybook/codemod": "4.1.0-alpha.9",
     "chalk": "^2.4.1",
     "child-process-promise": "^2.2.1",
     "commander": "^2.19.0",
@@ -48,29 +48,29 @@
     "update-notifier": "^2.5.0"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-centered": "4.1.0-alpha.8",
-    "@storybook/addon-graphql": "4.1.0-alpha.8",
-    "@storybook/addon-info": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/addon-links": "4.1.0-alpha.8",
-    "@storybook/addon-notes": "4.1.0-alpha.8",
-    "@storybook/addon-options": "4.1.0-alpha.8",
-    "@storybook/addon-storyshots": "4.1.0-alpha.8",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/angular": "4.1.0-alpha.8",
-    "@storybook/channel-postmessage": "4.1.0-alpha.8",
-    "@storybook/channel-websocket": "4.1.0-alpha.8",
-    "@storybook/channels": "4.1.0-alpha.8",
-    "@storybook/ember": "4.1.0-alpha.8",
-    "@storybook/html": "4.1.0-alpha.8",
-    "@storybook/marko": "4.1.0-alpha.8",
-    "@storybook/mithril": "4.1.0-alpha.8",
-    "@storybook/polymer": "4.1.0-alpha.8",
-    "@storybook/react": "4.1.0-alpha.8",
-    "@storybook/react-native": "4.1.0-alpha.8",
-    "@storybook/riot": "4.1.0-alpha.8",
-    "@storybook/ui": "4.1.0-alpha.8",
-    "@storybook/vue": "4.1.0-alpha.8"
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-centered": "4.1.0-alpha.9",
+    "@storybook/addon-graphql": "4.1.0-alpha.9",
+    "@storybook/addon-info": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/addon-links": "4.1.0-alpha.9",
+    "@storybook/addon-notes": "4.1.0-alpha.9",
+    "@storybook/addon-options": "4.1.0-alpha.9",
+    "@storybook/addon-storyshots": "4.1.0-alpha.9",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/angular": "4.1.0-alpha.9",
+    "@storybook/channel-postmessage": "4.1.0-alpha.9",
+    "@storybook/channel-websocket": "4.1.0-alpha.9",
+    "@storybook/channels": "4.1.0-alpha.9",
+    "@storybook/ember": "4.1.0-alpha.9",
+    "@storybook/html": "4.1.0-alpha.9",
+    "@storybook/marko": "4.1.0-alpha.9",
+    "@storybook/mithril": "4.1.0-alpha.9",
+    "@storybook/polymer": "4.1.0-alpha.9",
+    "@storybook/react": "4.1.0-alpha.9",
+    "@storybook/react-native": "4.1.0-alpha.9",
+    "@storybook/riot": "4.1.0-alpha.9",
+    "@storybook/ui": "4.1.0-alpha.9",
+    "@storybook/vue": "4.1.0-alpha.9"
   }
 }
diff --git a/lib/client-logger/package.json b/lib/client-logger/package.json
index b6665735b99..723bf159700 100644
--- a/lib/client-logger/package.json
+++ b/lib/client-logger/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/client-logger",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "",
   "keywords": [
     "storybook"
diff --git a/lib/codemod/package.json b/lib/codemod/package.json
index c7d311dcaa6..4367c58b497 100644
--- a/lib/codemod/package.json
+++ b/lib/codemod/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/codemod",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "A collection of codemod scripts written with JSCodeshift",
   "keywords": [
     "storybook"
diff --git a/lib/components/package.json b/lib/components/package.json
index 11ddc134f8a..43dbeaf548a 100644
--- a/lib/components/package.json
+++ b/lib/components/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/components",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Core Storybook Components",
   "keywords": [
     "storybook"
@@ -37,9 +37,9 @@
     "render-fragment": "^0.1.1"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/addon-knobs": "4.1.0-alpha.8",
-    "@storybook/react": "4.1.0-alpha.8"
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/addon-knobs": "4.1.0-alpha.9",
+    "@storybook/react": "4.1.0-alpha.9"
   },
   "peerDependencies": {
     "react": "*",
diff --git a/lib/core-events/package.json b/lib/core-events/package.json
index d20b5d2ea8b..04fe43bfb31 100644
--- a/lib/core-events/package.json
+++ b/lib/core-events/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/core-events",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Event names used in storybook core",
   "keywords": [
     "storybook"
diff --git a/lib/core/package.json b/lib/core/package.json
index 37c80eca188..dfe605dfa5b 100644
--- a/lib/core/package.json
+++ b/lib/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/core",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Storybook framework-agnostic API",
   "keywords": [
     "storybook"
@@ -31,12 +31,12 @@
     "@emotion/provider": "^0.11.2",
     "@emotion/styled": "^0.10.6",
     "@ndelangen/html-webpack-harddisk-plugin": "^0.2.0",
-    "@storybook/addons": "4.1.0-alpha.8",
-    "@storybook/channel-postmessage": "4.1.0-alpha.8",
-    "@storybook/client-logger": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
-    "@storybook/node-logger": "4.1.0-alpha.8",
-    "@storybook/ui": "4.1.0-alpha.8",
+    "@storybook/addons": "4.1.0-alpha.9",
+    "@storybook/channel-postmessage": "4.1.0-alpha.9",
+    "@storybook/client-logger": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
+    "@storybook/node-logger": "4.1.0-alpha.9",
+    "@storybook/ui": "4.1.0-alpha.9",
     "airbnb-js-shims": "^1 || ^2",
     "autoprefixer": "^9.3.1",
     "babel-plugin-macros": "^2.4.2",
diff --git a/lib/node-logger/package.json b/lib/node-logger/package.json
index effc9d6e925..32c7a7281f2 100644
--- a/lib/node-logger/package.json
+++ b/lib/node-logger/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/node-logger",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "",
   "keywords": [
     "storybook"
diff --git a/lib/ui/package.json b/lib/ui/package.json
index cd02c0e893c..29af613ae4d 100644
--- a/lib/ui/package.json
+++ b/lib/ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storybook/ui",
-  "version": "4.1.0-alpha.8",
+  "version": "4.1.0-alpha.9",
   "description": "Core Storybook UI",
   "keywords": [
     "storybook"
@@ -28,8 +28,8 @@
     "@emotion/core": "^0.13.1",
     "@emotion/provider": "^0.11.2",
     "@emotion/styled": "^0.10.6",
-    "@storybook/components": "4.1.0-alpha.8",
-    "@storybook/core-events": "4.1.0-alpha.8",
+    "@storybook/components": "4.1.0-alpha.9",
+    "@storybook/core-events": "4.1.0-alpha.9",
     "@storybook/mantra-core": "^1.7.2",
     "@storybook/podda": "^1.2.3",
     "@storybook/react-komposer": "^2.0.5",
@@ -47,8 +47,8 @@
     "react-treebeard": "^3.1.0"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "4.1.0-alpha.8",
-    "@storybook/react": "4.1.0-alpha.8"
+    "@storybook/addon-actions": "4.1.0-alpha.9",
+    "@storybook/react": "4.1.0-alpha.9"
   },
   "peerDependencies": {
     "react": "*",