= List of ENABLE flags =

=== 3D_PLUGIN ===
=== 3D_RENDERING ===
=== ACCELERATED_2D_CANVAS ===
=== BATTERY_STATUS ===
[http://www.w3.org/TR/battery-status/ Battery Status API]
=== BLOB ===
=== CALENDAR_PICKER ===
A calendar picker UI for <input type=date>. Under development.  This feature requires ENABLE_PAGE_POPUP.

=== CHANNEL_MESSAGING ===
=== CONTEXT_MENUS ===
=== CSS_FILTERS ===

=== CSS3_FLEXBOX ===
[http://www.w3.org/TR/css3-flexbox/ The standard flexible box].

=== CSS_IMAGE_RESOLUTION ===
[http://www.w3.org/TR/2012/CR-css3-images-20120417/#image-resolution image-resolution CSS property]. [http://webkit.org/b/85262]

=== CSS_IMAGE_SET ===
[http://lists.w3.org/Archives/Public/www-style/2012Feb/1103.html image-set CSS property].

=== CSS_SHADERS ===

=== CSS_VARIABLES ===
[http://www.w3.org/TR/css-variables/ CSS Variables Module].
[https://lists.webkit.org/pipermail/webkit-dev/2012-May/020633.html Announcement].
Under development.

=== CUSTOM_SCHEME_HANDLER ===
isProtocolHandlerRegistered() and unregisterProtocolHandler() of [http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#custom-handlers Custom scheme and content handlers].

=== DASHBOARD_SUPPORT ===
=== DATABASE ===
=== DATALIST ===
<datalist> support.  Under development.
=== DATA_TRANSFER_ITEMS ===
=== DEBUG_MATH_LAYOUT ===
=== DETAILS ===
<details> and <summary> support.  Stable.
=== DEVICE_ORIENTATION ===
=== DIRECTORY_UPLOAD ===
<input type=file webkitdirectory> support.  Experimental.
=== DOWNLOAD_ATTRIBUTE ===
=== DRAG_SUPPORT ===
=== ENCRYPTED_MEDIA ===
[http://dvcs.w3.org/hg/html-media/raw-file/tip/encrypted-media/encrypted-media.html Encrypted Media Extensions].
[https://lists.webkit.org/pipermail/webkit-dev/2012-April/020174.html Announcement].

=== EVENT_MODE_METATAGS ===
=== FAST_MOBILE_SCROLLING ===
=== FILE_SYSTEM ===
=== FILTERS ===
=== FTPDIR ===
=== FULLSCREEN_API ===
=== GAMEPAD ===
=== GEOLOCATION ===
=== GESTURE_EVENTS ===
=== GLIB_SUPPORT ===
=== GLOBAL_FASTMALLOC_NEW ===
=== HIGH_DPI_CANVAS ===
=== ICONDATABASE ===

=== IFRAME_SEAMLESS ===
<iframe seamless> support. [http://webkit.org/b/85822]

=== IMAGE_DECODER_DOWN_SAMPLING ===
=== INDEXED_DATABASE ===
=== INPUT_SPEECH ===
<input x-webkit-speech> support.  Experimental.
=== INPUT_TYPE_COLOR ===
<input type=color> support.  Stable. Need platform-specific code in ChromeClient.
=== INPUT_TYPE_DATE ===
<input type=date> support.  API implementation is stable, but the UI is poor. This shouldn't be enabled unless a date control have a richer UI. A calendar picker UI for desktop platforms is under development.
In Android port, we apply -webkit-appearance:menulist-button to a date control, and non-WebKit code opens a modal dialog by a click on it.
=== INPUT_TYPE_DATETIME ===
<input type=datetime> support.  Similar status with INPUT_TYPE_DATE.
=== INPUT_TYPE_DATETIMELOCAL ===
<input type=datetime-local> support.  Similar status with INPUT_TYPE_DATE.
=== INPUT_TYPE_MONTH ===
<input type=month> support.  Similar status with INPUT_TYPE_DATE.
=== INPUT_TYPE_TIME ===
<input type=time> support.  Similar status with INPUT_TYPE_DATE.
=== INPUT_TYPE_WEEK ===
<input type=week> support.  Similar status with INPUT_TYPE_DATE.
=== INSPECTOR ===
Inspector support.  Stable.
=== JAVASCRIPT_DEBUGGER ===
=== JAVA_BRIDGE ===
=== LEGACY_CSS_VENDOR_PREFIXES ===
Support for -khtml- and -apple- vendor prefixes. 

=== LEGACY_WEBKIT_BLOB_BUILDER ===
Support for WebKitBlobBuilder. [http://webkit.org/b/84036]

=== LEGACY_NOTIFICATIONS ===

=== LEGACY_VIEWPORT_ADAPTION ===

=== LINK_PREFETCH ===
=== LINK_PRERENDER ===
[http://webkit.org/b/84871]

=== MAC_JAVA_BRIDGE ===
=== MATHML ===
MathML support.

=== MEDIA_CAPTURE ===
[http://www.w3.org/TR/html-media-capture/ HTML Media Capture] support.  [https://lists.webkit.org/pipermail/webkit-dev/2012-February/019481.html Announcement]. Support only 'capture' attribute for now.

=== MEDIA_SOURCE ===
=== MEDIA_STATISTICS ===
=== MEDIA_STREAM ===
=== METER_TAG ===
<meter> support.  Stable.
=== MHTML ===
=== MICRODATA ===
=== MUTATION_OBSERVERS ===
=== NETSCAPE_PLUGIN_API ===
=== NETSCAPE_PLUGIN_METADATA_CACHE ===
=== NEW_XML ===
=== NOTIFICATIONS ===
=== ORIENTATION_EVENTS ===
=== OVERFLOW_SCROLLING ===
=== PAGE_POPUP ===
Internal API to provide HTML-capable popup. This is needed for calendar picker UI of <input type=date>.  This needs ChromeClient implementation.
=== PAGE_VISIBILITY_API ===
=== PAN_SCROLLING ===
=== PARSED_STYLE_SHEET_CACHING ===

[https://bugs.webkit.org/show_bug.cgi?id=85413]

=== PLUGIN_PACKAGE_SIMPLE_HASH ===
=== PLUGIN_PROXY_FOR_VIDEO ===
=== POINTER_LOCK ===
=== PROGRESS_TAG ===
<progress> support.  Stable.  Need to implement functions of RenderTheme.
=== QUOTA ===
=== REGISTER_PROTOCOL_HANDLER ===
=== REPAINT_THROTTLING ===
=== REQUEST_ANIMATION_FRAME ===
=== RUBBER_BANDING ===
=== SCRIPTED_SPEECH ===
Under development.
=== SHADOW_DOM ===
Shadow DOM support. Experimental.
=== SHARED_WORKERS ===
=== SKIA_GPU_CANVAS ===
=== SMOOTH_SCROLLING ===
=== SPELLCHECK ===
=== SQL_DATABASE ===
=== STYLE_SCOPED ===
<style scoped> support.  Experimental.
=== SUBPIXEL_LAYOUT ===
[wiki:LayoutUnit]

=== SVG ===
SVG support.  Stable.
=== SVG_DOM_OBJC_BINDINGS ===
=== SVG_FONTS ===
=== TEXT_CARET ===
=== THREADED_SCROLLING ===
=== THREADING_GENERIC ===
=== TOUCH_EVENTS ===
=== TOUCH_ICON_LOADING ===
=== VIBRATION ===
=== VIDEO ===
<video> and <audio> support.   Stable.
=== VIDEO_TRACK ===
=== VIEWPORT ===
=== VIEWPORT_REFLOW ===
=== WEBGL ===
=== WEB_ARCHIVE ===
=== WEB_AUDIO ===
=== WEB_INTENTS ===
=== WEB_SOCKETS ===
WebSocket support.  Stable.  Should call Settings::setUseHixie76WebSocketProtocol(false) to enable the standard protocol.
=== WEB_TIMING ===
=== WORKERS ===
=== WTF_MALLOC_VALIDATION ===
=== XHR_RESPONSE_BLOB ===
=== XSLT ===


----

== JavaScriptCore flags ==

=== ASSEMBLER ===
=== ASSEMBLER_WX_EXCLUSIVE ===
=== CLASSIC_INTERPRETER ===
=== CODEBLOCK_SAMPLING ===
=== COMMANDLINE_TYPEDARRAYS ===
=== COMPUTED_GOTO_CLASSIC_INTERPRETER ===
=== DEBUG_WITH_BREAKPOINT ===
=== DFG_JIT ===
=== EXECUTABLE_ALLOCATOR_DEMAND ===
=== EXECUTABLE_ALLOCATOR_FIXED ===
=== GC_LOGGING ===
=== GC_VALIDATION ===
=== GGC ===
=== JIT ===
=== JIT_CONSTANT_BLINDING ===
=== JIT_USE_SOFT_MODULO ===
=== JIT_VERBOSE ===
=== JIT_VERBOSE_OSR ===
=== OPCODE_SAMPLING ===
=== OPCODE_STATS ===
=== LLINT ===
=== META_ALLOCATOR_PROFILE ===
=== PARALLEL_GC ===
=== REGEXP_TRACING ===
=== RUN_TIME_HEURISTICS ===
=== SAMPLING_COUNTERS ===
=== SAMPLING_FLAGS ===
=== SAMPLING_REGIONS ===
=== SAMPLING_THREAD ===
=== SIMPLE_HEAP_PROFILING ===
=== VALUE_PROFILER ===
=== VERBOSE_VALUE_PROFILE ===
=== WRITE_BARRIER_PROFILING ===
=== YARR_JIT ===
=== YARR_JIT_DEBUG ===

----
== WebKit2 flags ==
=== MEMORY_SAMPLER ===
=== PLUGIN_PROCESS ===
=== WEB_PROCESS_SANDBOX ===


----
== Platform-specific flags ==

=== BLACKBERRY_CREDENTIAL_PERSIST ===
Blackberry
=== BLACKBERRY_DEBUG_MEMORY ===
Blackberry
=== JAVASCRIPT_I18N_API ===
V8-only. Experimental.
=== PURGEABLE_MEMORY ===
Mac
=== SPEECH_INPUT ===
Qt. INPUT_SPEECH?
=== WEBDOM ===
Blackberry