Can I use...

Feature suggestion list

This list shows all suggested support table features based on GitHub issues. The vote count is based on +1s in each issue's comments as well as any votes originally received via Google Moderator.

The list is updated every hour.

SuggestionVotes
1. Support for CSS3 overflow-x and overflow-y properties23
2. quic support or compatibility?21
3. http://dev.w3.org/html5/spec-LC/history.html#unloading-documents21
4. I suggest support for TransferableObject types (of which there are several) 18
5. I suggest adding statistics for Aural style sheets which contain CSS properties such as "speak....18
6. I would like to see document.readyState supported values in the caniuse.com18
7. css3 animation-play-state please17
8. CSS3 marquee support. 17
9. The bdi (bidi isolate) element, added in HTML5 to ease inserting RTL text into an LTR page or vice-v...17
10. The <keygen> tag is a bit of a mess when it comes to support, so it would be quite a useful ad...17
11. mediagroup content attribute, MediaController object, VideoTrackList, AudioTrackList objects16
12. Add column-span and column-fill features16
13. I have just noticed that the onended event of the HTML5 <audio> tag is supported in Firefox 11...16
14. How about overflow-scrolling? iOS Safari needs the webkit vendor prefix for example. Can't find ...16
15. Browser support for crossorigin attribute on img/video (as described in ) would be useful15
16. Soft hyphen: html entity &shy;15
17. XSLT Support table15
18. input[autocomplete] (values besides on/off) 15
19. The Output Element 15
20. text-wrap15
21. Include `baseline-shift` CSS property14
22. SVGZ-specific support table since iOS < 4.2 doesn't support it, but does support SVG. Not su...14
23. Add theme-color Meta Tag14
24. css/svg property dominant-baseline14
25. CSS3 Template Layout 14
26. Show browser support for CSS border-collapse and border-spacing (and there might be other table-rela...13
27. requestAutoComplete 13
28. CSS3 min() and max() functions as values for properties that accept <dimension> as a value.13
29. https://developer.mozilla.org/en-US/docs/Web/Events/wheel12
30. Built-in PDF viewer support12
31. I couldn't find a compatibility table for animation-fill-mode. Currently needs browser prefixe...12
32. device-cmyk css feature12
33. Please add support tables for x-xss-protection security header. Thanks!12
34. list-style-type 12
35. I suggest adding information about support for alternate HTTP methods such as PUT and PATCH.11
36. geo: url support - 11
37. The mouseenter and mouseleave events11
38. Emoji display support11
39. What about showing support for various link attributes, like "subresource" or "dns-pr...11
40. For printing support for the size:landscape option to tell the browser what page orientation we want...11
41. window.onerror - / - particularly mobile browser support10
42. Add Array.prototype.includes10
43. line-height support and the differences in rendering between webkit&trident and other engines.10
44. Quota Management API 10
45. Check browser support for displaying MJPEG files. This is a motion JPEG file format that is supporte...10
46. Why do white-space not appear to be in the list? :)10
47. document.elementsFromPoint10
48. the withCredentials property in xhr = new XMLHttpRequest() is used to check for XMLHttpRequest suppo...9
49. WebExtensions (browser extensions)9
50. Keyboard events (keypress, keyup, keydown, textinput) - see here 9
51. Webkit-based browsers extend the MediaQuery W3C Standard with specific queries for animation, transi...9
52. Show support table with history as time-based, instead of versions-back-based. With Chrome and IE ve...9
53. webcl?9
54. saveAs does not seem to be on the site (or else, I'm just incapable of finding it). It would be ...9
55. accesskey attribute on non-focusable elements (should cause a click element to fire9
56. Support for window.scrollX and window.scrollY9
57. Show results for Firefox ESR (currently 17.07).8
58. Progressive JPEGs start to show on pages faster, from low quality and eventually getting their 100% ...8
59. CSS3 Speech Module Which browsers support it? See8
60. Support for SVG's "shape-rendering" CSS property. 8
61. I'd like to see border-corner-shape added. It would be a nice feature when implemented in browse...8
62. webM alpha transparency8
63. CSS3 module "Generated Content for Paged Media" and especially the target-counter function8
64. Entries for href values including `tel:1234567` and `sms:1234567`8
65. script tag onerror attribute8
66. Embedded color profiles in JPEG images.7
67. column-span and other column-* proprieties of CSS3 Multi-column layout module7
68. Add support for CSS's @import7
69. Support for list-style-type7
70. list-style-image7
71. clipboardData: text, rtf, html, image, etc.7
72. Track document.registerElement I think a test just to see if it is defined would be sufficient. It...7
73. Add navigator.mediaDevices7
74. Add browser support for text-decoration-skip [ - Not sure if any browsers support it yet, but someth...7
75. blink tag7
76. Based on this page I suggest to add addRule and insertRule Thanks7
77. break-inside for columns.7
78. Add System Info API 7
79. Add nextElementSibling7
80. I would like to know which browsers support the forceSpellCheck() method (7
81. DataChannel WebRTC JS API7
82. CSS image() functional notation (e.g. for background-images etc). See 7
83. Geofencing API7
84. domElement.style.setProperty()6
85. TCP Fast-Open. Now that Linux kernels enable this by default (and web servers likely won't be ...6
86. X-Content-Type-Options: nosniff6
87. Web NFC API6
88. draggable option6
89. location.origin6
90. CSS <angle> - particularly the "turn" unit6
91. DNS-based Authentication of Named Entities (DANE)6
92. http://www.w3.org/TR/html-json-forms/6
93. font-variant-numeric6
94. Can I use ECDSA certificates?6
95. "GeometryUtils" - part of the CSSOM. Provides much better position information than existi...6
96. SVG Foreign Object is a way to combine different XML namespaces elements into the SVG. 6
97. ECMAScript 6 collection: Set 6
98. HttpOnly flag for cookies, what browsers support? it would be nice to have that in the caniuse.com 6
99. Dialogs implemented using separate documents window.showModalDialog() 6
100. Which browsers support colgroup completely?6
101. Bitmap images inside SVG files. Some browsers that support SVG, will not show embedded bitmap image...6
102. html5 canvas.toblob6
103. The 'media' attribute from the source element for HTML5's audio and video elements. Thi...6
104. Add browser support for toggle()6
105. Browser support for RTP streams?6
106. The "auto" value for the dir attribute, added in HTML5 to ease inserting text of unknown d...6
107. More details on File Blobs6
108. Javascript: Array.prototype.fill() 6
109. Object.assign6
110. Scheme-less URIs, aka the relative URIs. See5
111. Add more CSS3 media query sub-types: e.g. 'orientation' and 'aspect-ratio'5
112. WeakMap API 5
113. "click" function on anchor DOM element (a)5
114. add "HTTP status code headers"5
115. vector-effect5
116. getElementsByName5
117. empty-cells (5
118. Please add "imageSmoothingEnabled". Chrome supports it unprefixed. IE11, Firefox, and Saf...5
119. Can I use "onmouseover", "onmouseout"?5
120. playbackRate in video5
121. Why don't we add quotes property? 5
122. Load event support on link nodes to show when a stylesheet is finished loading. See for a discussio...5
123. MediaStream Recording (5
124. 'caniuse.com' should have small-caps (and other font variants?) broken out as a separate fea...5
125. <meta name="apple-mobile-web-app-capable" content="yes" />5
126. designMode5
127. registerContentHandler(), registerProtocolHandler(), and friends5
128. HTML5 Events Like onoffline, onpopstate, etc.5
129. image-rect isn't supported by anybody but Mozilla as far as I can tell, but I'd love it to b...5
130. "border-corner-shape" 5
131. Textarea wrap attribute (off, soft, hard, virtual, physical)5
132. Add stale-while-revalidate HTTP header support indication5
133. EventArgs.buttons is new for mouse events (www.w3.org/TR/DOM-Level-3-Events/#events-MouseEvent-butto...4
134. Add `navigator.doNotTrack` and DNT support tables4
135. New feature request: OCSP must-staple4
136. track element and TextTrack object4
137. Touch Icons, per 4
138. MouseEvent4
139. Support for XPath 2.0 (interesting for a lot of new functions, like base-uri(), matches() etc.)4
140. target-new4
141. Add supported elliptical curves (HTTPS/TLS)4
142. lastModified HTML5 DOM property4
143. user-input 4
144. CSS minmax()4
145. Messaging API (SMS) 4
146. svg transform matrix4
147. Add ProgressEvent4
148. track arraybuffer support for binary websockets4
149. Add WebDriver4
150. Add support table for CSP 3.0 compliance4
151. Add createImageBitmap4
152. Add browser support info for the HTTP Cache-Control header "immutable" flag4
153. @host This CSS @-rule applies to the surrounding element of a template. See 4
154. Add: the 'isolation' CSS property4
155. extend-to-zoom4
156. Web intents/Web Activities 4
157. rel="next"4
158. svg @preserveaspectratio4
159. CSS Shaders - 4
160. Add beforeinput event4
161. CSS Box Alignment Module Level 34
162. feature: track ReadableStream4
163. Web Authentication (webauthn)4
164. http://www.w3.org/TR/web-alarms/4
165. Add prefers-reduced-motion4
166. Luminosity media query 4
167. form input property "valueAsNumber"4
168. image-resolution. I've seen this as a good alternative for retina images as opposed to backgro...4
169. Add table-layout support, whether browers: - implement the 'fixed' layout properly, evenly ...4
170. .style.setAttribute() Does every browser support it? Sometimes it's hard to know it it's not...4
171. font-weight: (CSS3) Which browsers support numeric weights (200, 300) as opposed to simply "bol...4
172. Flag storage that is not available under private mode4
173. window.Touch support for browsers: - returns the Touch object constructor on touch events supporting...4
174. Please add :autofill to the DB4
175. Object.entries feature?3
176. Add SVG `use` with external reference3
177. Add support for the svg paint-order property3
178. Trailing commas3
179. text-security missing in list of features3
180. Please add a support table for the CanvasRenderingContext2D.filter property that firefox supports.3
181. Add current browser support for HTML5 tag "hgroup" (3
182. Support SVG width/height = auto3
183. Secure Cookie flag3
184. Add event currentTarget property3
185. @document, as described in & 3
186. The hanging-punctuation property: Currently unsupported by any browser, but it would be nice to ...3
187. Multicolor Glyph support3
188. Wake Lock API3
189. SVG-in-OT fonts3
190. UI Events builds on DOM Event Level 3, it is specified here3
191. CSS Property caption-side is missing?3
192. I suggest you to put browser acceptance of the javascript property clientHeight3
193. column-break-after atm only via: -webkit-column-break-after3
194. file input type supported browser3
195. Would like to see support for XMLSerializer object and document.implementation.createDocument and eq...3
196. Add 'require-sri-for' CSP Directive3
197. target-new3
198. css3 border-color3
199. CSS "visibility" (hidden/visible/etc)3
200. ex unit3
201. Add text-underline-position property3
202. Add support for FlyWeb API3
203. Track WritableStream, ReadableStream.prototype.pipeTo, TransformStream, ReadableStreamByobReader3
204. Add Media Queries Ranges3
205. Number.prototype.toLocaleString() has no data3
206. JavaScript Promises.prototype.finally()3
207. Missing font-synthesis CSS 3 property3
208. SharedArrayBuffer support3
209. Input type=email with "multiple" attribute3
210. `content: leader('.');`3
211. Add Expect-CT header3
212. Support for line-break3
213. longdesc attribute support2
214. valueAsDate usage2
215. autocorrect for input fileds2
216. Add in Range.createContextualFragment2
217. New feature request: x25519 Key Exchange2
218. Input type=range with "multiple" attribute2
219. Feature request: Token Binding Protocol2
220. UTF-8 Dingbats2
221. Add transform-box2
222. Add Cache Storage API / Cache API2
223. console.assert(boolean_expression)2
224. Add referrerpolicy attribute2
225. Content-Security-Policy: script-nonce2
226. audio / video autoplay attribute and play function2
227. JavaScript: Tail Call Support information missing2
228. Add <time> element2
229. Add save-data client hint2
230. browserconfig.xml support info2
231. Support for Multiline Strings2
232. Please add line-height-step2
233. Add the "frame" HTML tag : some browsers don't support it !2
234. Network Service Discovery2
235. Add Clear Site Data header2
236. Add ES7/2016 SIMD2
237. CSS unit 'cap' (cap-height)2
238. history.scrollRestoration2
239. strong2
240. Can I use X3D?2
241. Add other values of `user-select` property2
242. Add KeyboardEvent.repeat compatibility info2
243. HTTP immutable responses2
244. Firefox cursor:grab & cursor:grabbing2
245. Add justify-content: space-evenly2
246. Include the new image format: FLIF2
247. Animating SVG paths using CSS2
248. Please add navigator.cookieEnabled2
249. Cache-Control 2
250. Directional focus navigation: the nav-up, nav-right, nav-down, nav-left properties2
251. Add classList.replace()2
252. Date.prototype.toLocaleDateString2
253. Add AbortController 2
254. Add :any-link pseudo-class2
255. Add data for AV1 supported browser?2
256. Add HTTP 103 Early Hints2
257. Why is there no event constructors?2
258. Support for nested calc expressions in CSS values2
259. CSS env() support2
260. Add `q` (quarter-millimeters) length unit2
261. Add background-clip: text2
262. Support for CSS grid's subgrid2
263. InputDeviceCapabilities API2
264. Add DNSSEC support2
265. HTTP Strict Transport Security Preload2
266. The !important css thing. It's very !important ;).2
267. CSS.escape()2
268. SVG viewport-fill-opacity property support2
269. Hyphenation Options2
270. img.decode() and decoding attribute2
271. Browser support for Focus Management function2
272. CSS 3 property: text-autospace and text-spacing2
273. XMLHTTPRequest (1)2
274. Entries API2
275. SHA2 certificates2
276. Add :host/:host-context pseudo class2
277. font-min/max-size2
278. Individual transform properties2
279. Support for 'debugger;' in dev tools2
280. Arithmetic coded JPEG support2
281. Add suport for MediaDevices.enumerateDevices()2
282. Add color-mod() | color() function - CSS Color Module Level 42
283. Add box-suppress2
284. The `autocapitalize` attribute of <input>s1
285. getClientRects1
286. min/max-device-width/height1
287. Add High Resolution Time Level 31
288. Add: Task Scheduler API Specification 1
289. Lookbehind in JavaScript regex1
290. support data suggestion: DOM event constructors ?1
291. Request: nav-up, nav-down, nav-left, nav-right css3 properties1
292. function.name1
293. support for "offsetParent"?1
294. Add `onunload` event1
295. HTML5 data blocks1
296. NodeList/HTMLCollection1
297. caretPositionFromPoint1
298. What is the support on clear: both?1
299. embed tag 1
300. Add removeAttribute support1
301. AnimationEvent support1
302. Add support for control.labels 1
303. Previous Element Selector1
304. orientationchange Event1
305. create @Media Types1
306. WebGL extensions1
307. Add support information for the translate attribute1
308. HTML oninvalid Event Attribute1
309. HEVC in Safari1
310. display: table-caption?1
311. String.prototype.split() with a regex with grouping ( parentheses ).1
312. Geometry Interfaces Module Level 11
313. Indicate which browsers use the HTML5 Parsing algorithm.1
314. Window setInterval() Method1
315. [Suggestion] display: fullscreen1
316. Split background-size from CSS3 Background-image options1
317. JavaScript Symbol1
318. getShaderPrecisionFormat1
319. Suggestion for caniuse.com: Which browsers.versions support multiple tbody elements in a single table?1
320. image tag1
321. add micropub1
322. font-language-override1
323. Add Media Session API Coverage Information1
324. css- media-query max-scroll-y1
325. Video media in image contexts1
326. Add "Controlling Font Display Per Font-Family via @font-feature-values"1
327. treeWalker / nodeIterator support needs to be added1
328. :truncated1
329. Add support for text-decoration-skip-ink1
330. Please add support for supported x509 extensions for ʜᴛᴛᴘꜱ certificates1
331. Add support tables for document.documentElement.clientWidth1
332. Add Dynamic Module Imports1
333. Include naviagator.mediaSession and other media related api1
334. Add Navigation Timing Level 21
335. getFilesAndDirectories1
336. MediaStream Image Capture1
337. window.prompt, window.alert, window.confirm1
338. focusNode1
339. Add Module Preload <link rel="modulepreload">1
340. Paint Timing API1
341. Need full 3gp browser compatibility chart.Does it chrome browser supports 3gp format1
342. ExtendableEvent.waitUntil()1
343. WebCrypto Key Discovery1
344. Reflect object1
345. @document1
346. IANA time zone names in timeZone option1
347. CSS page property (for printing)1
348. .getPointAtLength()1
349. HTTP content-encoding: zstd1
350. ::-webkit-file-upload-button1
351. Javascript pseudoprotocol1
352. Chained selectors1
353. Page-margin boxes (@top-center, etc)1
354. Suggestion: MediaRecorder.isTypeSupported supported types/codecs1
355. Add information for the webcal and webcals protocols for subscribing to iCalendars1
356. {row,column}-gap, applied to multicolumn, flex, and grid layouts1
357. color-gamut media feature from Media Queries 41
358. Input Events Level 1 and 21
359. Add support for document.queryCommandState1
360. Add pls pipeline-operator1
361. Asynchronous Clipboard API (replaces document.execCommand)1
362. Suggestion: overflow(-[xy])? with 'overlay' value1
363. Support XMLDocument1
364. Support data suggestion: `Intl.PluralRules`1
365. Add raw sockets API1
366. Native Messaging?1
367. Consider add 'getRootNode'?1
368. Support JavaScript Class and Property Decorators (ES Stage 2 Draft)1
369. Add app-region?1
370. URLSearchParams.prototype.sort1
371. Device-Memory Client Hint & navigator.deviceMemory JS API1
372. Visual Viewport API1
373. Add <data> element1
374. Add Web Budget API1
375. add css property aspect-ratio1
376. add aria-required to caniuse, if not already there1
377. aria-current1
378. Add css-timing 1
379. Feature Policy1
380. Grid-auto-flow1
381. Add CSS animation timing function spring()1
382. Support for CSS3 background-repeat-x and background-repeat-y properties1
383. CanvasRenderingContext2D.ellipse()1
384. setTimeout and setInterval callback parameters1
385. SVG symbols in CSS1
386. Abortable fetch()1
387. window.top & window.parent1
388. Observable1
389. (function () {}).toSource()1
390. Support for ImageBitmapRendereingContext1
391. EventTarget constructor1
392. Add new SVG filter effects1
393. grid-template-columns1
394. Text-overflow level 41
395. Keyboard Lock1
396. Add previousSibling and previousElementSibling1
397. Server Timing1
398. Add support for CSS rule @document1
399. navigator.isProtocolHandlerRegistered and .unregisterProtocolHandler1
400. Async iterators / for await of1
401. Content-Security-Policy: block-all-mixed-content1
402. Add translate attribute1
403. input setRangeText1
404. Default function parameters1
405. x-webkit-speech1
406. SHA1 certificates1
407. CaretPosition missing1
408. Internationalized Domain Name1
409. Canvas context getTransform() function.1
410. Magnetometer support1
411. window.scroll1
412. Vast & VMAP1
413. Add visibility: collapse1
414. attachEvent event handler missing from CanIUse1
415. Suggestion: Int64 UInt64 (Firefox only AFAIK)1
416. string-set1
417. Gyroscope sensor1
418. Accelerometer sensor1
419. Add -webkit-touch-callout?1
420. Please add iFrame element contentWindow property1
421. Cookies: max-age1
422. KeyboardEvent.isComposing1
423. Javascript Built-In MAP1
424. <video> `playsinline` attribute1
425. New filesystem api?1
426. column combination1
427. document.importNode1
428. Support setCapture and releaseCapture for mouse1
429. Add PerformanceObserver1
430. WindowTimers.setInterval()1
431. @document CSS 1
432. Javascript - window.onorientationchange 1
433. audio / video .canPlayType(MIMEtype)1
434. Add support for HTTP header X-Permitted-Cross-Domain-Policies1
435. Add print-color-adjust1
436. DeviceOrientation and DeviceMotion events on insecure origins1
437. The <slot> element1
438. Audio Output Devices API: wd1
439. Add media feature display-mode1
440. Node.isSameNode() and Node.isEqualNode() isn't listed on caniuse1
441. Add ALPN and NPN notes to HTTP21
442. toLocaleString('pt-BR',{style: 'currency', currency:'BRL'})1
443. Add HTTP 307 & 308 redirects1
444. Support Tables for Gesture Events1
445. Add HTTP_ORIGIN feature1
446. Add float: footnote to CSS31
447. video/audio events like loadedemetadata1
448. Slash-separated color functions1
449. ImageBitmap1
450. Add CSS viewport-percentage length units 'vi' and 'vb'1
451. Add Range.getBoundingClientRect browser support table1
452. Add support for mediacapture-output API's sinkID1
453. document type1
454. Cannot see |ImageCapture| entry in the web interface.1
455. [CSS Level 4 pseudo-class] :user-error1
456. SVG sprites with <symbol> and <use>1
457. Presentation API1
458. Add XSL to caniuse1
459. Add support for CSS3 move-to property1
460. window.navigator.language, .languages1
461. dblclick Event1
462. Add support for addHitRegion1
463. animateMotion for SVG1
464. String.prototype.padStart1
465. Add mediaSession API 1
466. Alt-Svc header browser support info: consider adding1
467. CanIuse @charset "<charset>"1
468. Support the W3 Web Annotation standard (W3C Recommendation)1
469. getTotalLength()1
470. New top level domains (TLD)1
471. aria-labelledby1
472. CSS touch-action level 2 values1
473. Add CSS matrix3d support1
474. document.referrer1
475. CSS: overflow-anchor1
476. Missing `StorageQuota` support1
477. webshareapi1
478. add "document.contentType"1
479. CSSKeyframesRule1
480. CSS4 - Specifying profiled colors: the color() function1
481. event.path1
482. What about Standby API?1
483. Please track the various HTTP Set-Cookie options supported by browsers1
484. Encoding API compatibility table1
485. Support for window.innerHeight, window.innerWidth, window.outerHeight, window.outerWidth1
486. Add hreflang attribute usage support for link element1
487. Information about window.location.ancestorOrigins1
488. CSS tag {content: url()}1
489. apple-touch-icon1
490. Add 'animated GIF as favicon'?1
491. Add ECC certificates1
492. Please add String.prototype.normalize()1
493. Inert property for objects that should currently not be focused1
494. gesturestart, gesturechange, gestureend events for trackpads1
495. add WebMention1
496. reflected-xss missing1
497. add mouse event positions event.offsetX and event.offsetY1
498. Shape Detection API: Face Detection, Barcode Detection, Text Detection1
499. Missing a check for msConvertURL() on DragEvent1
500. SharedMemory/Atomics1
501. Add "Named function expressions"1
502. Open search autodiscovery1
503. add support for Array.prototype.find.1
504. Please add Progressive web app manifest.1
505. allowtransparency1
506. Add data for link rel="alternate"1
507. Add support stats for String.prototype.repeat()1
508. SVG viewport-fill property support1
509. Add CSS text-combine-upright property 1
510. Screen.availLeft1
511. Add data for imageSmoothingEnabled Property (Canvas-related)1
512. Can I use selectedOptions ?1
513. Add CSS display:contents1
514. Range.surroundContents()1
515. window.localMediaStream is not listed1
516. Add window.frameElement to CanIUse1
517. The xml:space attribute1
518. show support for namespacing; for example <svg: namespace 1
519. Add compositionstart/end/update event1
520. Geolocation on non-secure sites1
521. RFC7692 Compression Extensions for WebSocket1
522. Add transitionstart event1
523. support for Performance-Timeline & High-Resolution-Time1
524. ie behavior1
525. Function.length / Function.prototype.length1
526. Feature request: navigator.language1
527. Add CSS font-synthesis1
528. Add windows-theme media query selector1
529. html5 image attribute usemap1
530. Add HTMLInputElement.select()1
531. window.addListener()1
532. srcset/sizes attribute / picture element support in SVG1
533. filename*=UTF-8''...1
534. CSS Inline Layout1
535. window.location.replace1
536. Support of sms: and mms: in mobile browsers is not clear1
537. new.target1
538. SVG 1.21
539. event.ctrlKey1
540. wakeLock1
541. add onstorage1
542. background-composite1
543. Add: window.locationbar window.menubar window.personalbar window.statusbar window.toolbar1
544. Add WebKit Tap Highlight Color (-webkit-tap-highlight-color)?1
545. Add web assembly/wasm1
546. -webkit-box-orient is not found1
547. Please add XMLHttpRequest.responseURL1
548. IETF RFCs1
549. HTMLImageElement.complete1
550. NetworkInformation.downlinkMax1
551. Add info about css user-modify and -webkit-user-modify:read-write-plaintext-only 1
552. HTTP2 Server Push1
553. &euro; and other html codes1
554. findIndex Array method doesn't added to caniuse.com DB1
555. Add autocorrect, autocapitalize, autocomplete attributes1
556. MediaCapture Screen Share1
557. onerror event on iframe1
558. Can not search hasAttribute1
559. Basic Authentication: AuthName directive1
560. add CSS Extensions meant for renaming1
561. Can I use Reporting API1
562. Add support for the HTTP header X-Download-Options1
563. Add the (view-mode) media feature1
564. -ms-overflow-style1
565. Drag and Drop API - move constraints1
566. Drag and Drop API - ghost image with customizable opacity1
567. ew-resize1
568. oncontextmenu1
569. HTTP Trailers1
570. ActiveX1
571. window.event1
572. Add a footnote regarding HTMLAudioElement1
573. Object.hasOwnProperty1
574. Support info for the <track> element1
575. Add CSS4 Grid structural selectors1
576. request support for 'accept-charset'1
577. navigator.connection1
578. Please add support for getTimezoneOffset()1
579. stopImmediatePropagation,stopPropagation1
580. Add <script type="module"> and module workers1
581. Link headers1
582. Edge and IE don't support IndexedDB in web workers1
583. Add ES6 Spread operator1
584. Please add information about ImageData constructor1
585. createImageBitmap1
586. Support for the frame-ancestors directive1
587. Add `multipart/x-mixed-replace`1
588. Adding Silverlight usage stats1
589. Add overscroll-action1
590. allowfullscreen attribute for iframes1
591. Which browsers adhere to ETag?1
592. HTMLElement.offsetTop1
593. image urls with GET data1
594. Add Object.prototype.watch method0
595. HTML5 constraint validation API - setCustomValidity0
596. marquee0
597. HTML DOM selectedIndex attribute (drop-down list)0
598. aria-label0
599. window.frames list0
600. window.screen0
601. Add Object.getNotifier(obj)0
602. CSS pitch and speech-rate0
603. documentMode-1
604. input type password not included-2