http://wkbug.com/146244 has been fixed in WebKit Nightly

See http://trac.webkit.org/changeset/191954
Refs #15968

[ci skip]

docs/_data/browser-bugs.yml

@@ -270,16 +270,6 @@
   origin: >
     Bootstrap#11266, Bootstrap#13098
 
--
-  browser: >
-    Safari (iOS)
-  summary: >
-    Tapping below `<input>`s can focus them in some cases
-  upstream_bug: >
-    WebKit#146244, Safari#21509310
-  origin: >
-    Bootstrap#15968
-
 -
   browser: >
     Safari (iOS 9+)