Merge branch 'v4-dev' of github.com:twbs/bootstrap into v4-dev

docs/_data/browser-features.yml

@@ -28,6 +28,16 @@
   origin: >
     Bootstrap#20175
 
+-
+  browser: >
+    Microsoft Edge
+  summary: >
+    Fire a [`transitioncancel` event](https://developer.mozilla.org/en-US/docs/Web/Events/transitioncancel) when a CSS transition is canceled
+  upstream_bug: >
+    UserVoice#15939898
+  origin: >
+    Bootstrap#20618
+
 -
   browser: >
     Firefox
@@ -58,6 +68,16 @@
   origin: >
     Bootstrap#20175
 
+-
+  browser: >
+    Chrome
+  summary: >
+    Fire a [`transitioncancel` event](https://developer.mozilla.org/en-US/docs/Web/Events/transitioncancel) when a CSS transition is canceled
+  upstream_bug: >
+    Chromium#642487
+  origin: >
+    Chromium#437860
+
 -
   browser: >
     Chrome
@@ -88,6 +108,16 @@
   origin: >
     Bootstrap#17021
 
+-
+  browser: >
+    Safari
+  summary: >
+    Fire a [`transitioncancel` event](https://developer.mozilla.org/en-US/docs/Web/Events/transitioncancel) when a CSS transition is canceled
+  upstream_bug: >
+    WebKit#161535
+  origin: >
+    Bootstrap#20618
+
 -
   browser: >
     Safari