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{{Update|date=February 2022|reason=Flash is no longer supported}}
Modern [[HTML5]] has feature-parity with the now-obsolete [[Adobe Flash]].<ref name="nyt_amazon">{{cite web
|title=Amazon to Introduce Web-Based Book Previews
|last=Bilton
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|date=June 30, 2010
|access-date=December 26, 2010
}}</ref> Both include features for playing audio and [[video]] within [[web page]]s. Flash
On December 31, 2020, Adobe ended support of Flash Player.
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==== Flash ====
Originally, web browsers could not render Flash media themselves, and required the [[proprietary software|proprietary]] freeware plugin [[Adobe Flash Player]]. Until 2008, there was no official specification by which to create an alternative player. Alternative players
The
Earlier versions
|last=Svetlik
|first=Joe
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}}</ref>) (Flash 11.2), [[Linux]] (Flash 11.2, except for Pepper Flash which is maintained and distributed by Google, not Adobe), [[PlayStation 3]] (Flash 9), [[PlayStation Portable|PSP]] (Flash 6). [[Adobe Flash Lite]] runs on [[Wii]], [[Symbian]], [[Maemo]] Linux, [[Windows Mobile]], and [[Chumby]].
Apple never allowed Flash to run on [[iOS]], the operating system which runs on [[iPad]], [[iPhone]], [[iPod Touch]] and [[Apple TV]].
In February 2012, Adobe announced it would discontinue development of Flash Player on Linux for all browsers, except Google Chrome, by dropping support for [[NPAPI]] and using only Chrome's [[PPAPI]].<ref name="pcworld-linux-ppapi">{{cite web|last=Noyes |first=Katherine |url=https://www.pcworld.com/article/250455/for_flash_on_linux_chrome_will_be_users_only_choice.html |title=For Flash on Linux, Chrome Will Be Users' Only Choice | PCWorld Business Center |publisher=Pcworld.com |date=April 6, 2012 |access-date=April 10, 2012}}</ref><ref name="slashdot-linux-ppapi">{{cite web |url=http://linux.slashdot.org/story/12/03/31/1417245/adobe-releases-last-linux-version-of-flash-player |title=Adobe Releases Last Linux Version of Flash Player – Slashdot |publisher=Linux.slashdot.org |access-date=April 10, 2012 }}</ref> In August 2016, Adobe announced that, beginning with version 24, it would resume offering of Flash Player for Linux for other browsers.<ref>{{cite web |url=https://blogs.adobe.com/flashplayer/2016/08/beta-news-flash-player-npapi-for-linux.html |work=Adobe AIR and Adobe Flash Player Team Blog |title=Beta News – Flash Player NPAPI for Linux |date=August 31, 2016 |access-date=November 17, 2016 }}</ref> Adobe
==== HTML5 ====
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| url=https://www.adobe.com/aboutadobe/pressroom/pressreleases/200804/050108AdobeOSP.html | publisher=Adobe Systems
| date=2008-05-01
| access-date=2008-05-01}}</ref> However, the "SWF File Format Specification Version 10" allegedly did not contain all the needed information, did not contain much information that
|title = Free Flash community reacts to Adobe Open Screen Project
|access-date = 2008-11-29
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}}</ref> and itself could not be copied, printed out in more than one copy, distributed, resold or translated, without written approval of Adobe Systems Incorporated.<ref name="swf10spec">{{cite web | title = SWF File Format Specification Version 10 | url = https://www.adobe.com/content/dam/Adobe/en/devnet/swf/pdf/swf_file_format_spec_v10.pdf | access-date = 2012-11-13 | archive-url = https://web.archive.org/web/20120131083755/http://www.adobe.com/content/dam/Adobe/en/devnet/swf/pdf/swf_file_format_spec_v10.pdf | archive-date = 2012-01-31 | url-status = dead }}</ref>
Flash
Various people have praised Flash over the years for rendering consistently across platforms. Constructing sites in Flash
Speaking at 'Adobe Max' in 2011, Itai Asseo likewise said that, unlike HTML5, Flash offers a way to develop applications that work across platforms. HTML5, he said, is currently implemented differently (if at all) by different browsers. Although the Flash browser plugin is not supported on the Apple iPhone OS, Flash applications can be exported to Adobe AIR, which runs on that operating system as a native application. In the same talk, Mr. Asseo lamented the return to another browser war (as seen in the late 1990s). If Flash falls out of favor, he said, web developers will either have to develop many different versions of their web sites and native applications to take into account different HTML5 implementations, deny access to browsers that do not support their version of HTML, or dramatically reduce the functionality of their sites in order to deliver content to the least-advanced browser.<ref>{{cite web|author=Itai Asseo|title=The Death of Flash|url=http://tv.adobe.com/watch/max-2011-envision/the-death-of-flash/|access-date=November 19, 2011}}</ref>
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{{see also|Adobe Flash#Performance}}
Flash
Some users, more so those on [[macOS]] and [[Linux]],
|last=Dachis
|first=Adam
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=== DRM ===
Flash
Historically, before EME introduction implementations could support DRM, for example in [[codec]]s.<ref>{{cite web|url=http://www.w3.org/html/wiki/FAQs#Is_there_support_for_digital_rights_management_.28DRM.29_in_HTML5_video.3F |title=FAQs - HTML Wiki |publisher=W3.org |date=2011-02-22 |access-date=2012-06-18}}</ref> The proposal to add DRM features to HTML5 itself has been criticized by those who consider openness and vendor-neutrality (both server- and client-side) one of the most important properties of HTML, because DRM is incompatible with [[free software]],<ref>{{cite web
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}}</ref>
=== Accessibility ===
Both Flash and HTML text can be read by screen readers. However, special care must be taken to ensure Flash movies are read correctly. For example, if a Flash movie is set to repeat indefinitely, this can cause a screen reader to repeat the content endlessly. Selecting the "Make object accessible" check box in Adobe Flash Professional
=== Search engines ===
Both Flash content and HTML content
=== iOS devices ===
{{main|Thoughts on Flash}}
Apple
== See also ==
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