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25-774: EdgeHTML is a fork of the MSHTML (Trident) engine of Internet Explorer . It is designed as a software component that enables developers easily to add web browsing functionality to other apps . In 2018, Microsoft began rebuilding Edge as a Chromium -based browser, which meant that EdgeHTML would no longer be used in the Edge browser. This transition was completed in April 2021. Past this date, EdgeHTML does, however, continue to be supported and widely used in Universal Windows Platform apps . Microsoft first introduced

50-448: A word processor for IBM PC compatible machines and Macintosh computers. Generally, such internal forks will concentrate on having the same look, feel, data format, and behavior between platforms so that a user familiar with one can also be productive or share documents generated on the other. This is almost always an economic decision to generate a greater market share and thus pay back the associated extra development costs created by

75-504: A certain page. Microsoft also dropped the usage of Compatibility View-lists. Edge will recognize if a page requires any of the removed technologies to run properly and suggest to the user to open the page in Internet Explorer instead. Another change was spoofing the user agent string , which claims to be Chrome and Safari , while also mentioning KHTML and Gecko , so that web servers that use user agent sniffing send Edge users

100-434: A copy of source code from one software package and start independent development on it, creating a distinct and separate piece of software. The term often implies not merely a development branch , but also a split in the developer community; as such, it is a form of schism . Grounds for forking are varying user preferences and stagnated or discontinued development of the original software. Free and open-source software

125-529: A fork, with examples: Distributed revision control (DVCS) tools have popularised a less emotive use of the term "fork", blurring the distinction with "branch". With a DVCS such as Mercurial or Git , the normal way to contribute to a project, is to first create a personal branch of the repository, independent of the main repository, and later seek to have your changes integrated with it. Sites such as GitHub , Bitbucket and Launchpad provide free DVCS hosting expressly supporting independent branches, such that

150-540: A proprietary grant in the form of a Contributor License Agreement .) Examples include macOS (based on the proprietary NeXTSTEP and the open source FreeBSD ), Cedega and CrossOver (proprietary forks of Wine , though CrossOver tracks Wine and contributes considerably), EnterpriseDB (a fork of PostgreSQL , adding Oracle compatibility features ), Supported PostgreSQL with their proprietary ESM storage system, and Netezza's proprietary highly scalable derivative of PostgreSQL. Some of these vendors contribute back changes to

175-422: A running process to split itself into two (almost) identical copies that (typically) diverge to perform different tasks. In the context of software development, "fork" was used in the sense of creating a revision control " branch " by Eric Allman as early as 1980, in the context of Source Code Control System : Creating a branch "forks off" a version of the program. The term was in use on Usenet by 1983 for

200-418: Is sometimes made when the forked software is designed to be a drop-in replacement for the original project, e.g. MariaDB for MySQL or LibreOffice for OpenOffice.org . The BSD licenses permit forks to become proprietary software, and copyleft proponents say that commercial incentives thus make proprietisation almost inevitable. (Copyleft licenses can, however, be circumvented via dual-licensing with

225-415: Is that which, by definition, may be forked from the original development team without prior permission, and without violating copyright law. However, licensed forks of proprietary software ( e.g. Unix ) also happen. The word "fork" has been used to mean "to divide in branches, go separate ways" as early as the 14th century. In the software environment, the word evokes the fork system call, which causes

250-747: The EdgeHTML rendering engine as part of Internet Explorer 11 in the Windows Technical Preview build 9879 on November 12, 2014. Microsoft planned to use EdgeHTML both in Internet Explorer and Project Spartan ; in Internet Explorer it would exist alongside the Trident 7 engine from Internet Explorer 11, the latter being used for compatibility purposes. However, Microsoft decided to ship Internet Explorer 11 in Windows 10 as it

275-530: The Noosphere , stated that "The most important characteristic of a fork is that it spawns competing projects that cannot later exchange code, splitting the potential developer community". He notes in the Jargon File : Forking is considered a Bad Thing—not merely because it implies a lot of wasted effort in the future, but because forks tend to be accompanied by a great deal of strife and acrimony between

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300-525: The XEmacs split, and was an understood usage in the GNU Project by 1996. Free and open-source software may be legally forked without prior approval of those currently developing, managing, or distributing the software per both The Free Software Definition and The Open Source Definition : The freedom to distribute copies of your modified versions to others (freedom 3). By doing this, you can give

325-428: The community project, while some keep their changes as their own competitive advantages. In proprietary software , the copyright is usually held by the employing entity, not by the individual software developers. Proprietary code is thus more commonly forked when the owner needs to develop two or more versions, such as a windowed version and a command line version, or versions for differing operating systems, such as

350-554: The first preview to EdgeHTML platform version 13 as part of Windows 10.0.10525, though it was still labeled as version 12. In subsequent updates, the support for HTML5 and CSS3 was extended to include new elements. EdgeHTML 13.10586 was released in multiple versions of Windows. On November 12, 2015, the New Xbox One Experience -update for the Xbox One included EdgeHTML 13.10586, replacing Internet Explorer 10 in

375-401: The foundational work for EdgeHTML 14. On February 18, 2016, Microsoft released the first version of EdgeHTML 14 as version 14.14267. This version of the engine contained almost no changes in standards support yet, but contained fundamental work for Web Notifications , WebRTC 1.0 , improved ECMAScript and CSS support and also contained a number of new flags. Further, Microsoft announced that it

400-668: The full versions of web pages instead of reduced-functionality pages. EdgeHTML's rendering was meant to be fully compatible with the rendering of the Blink and WebKit layout engines, used by Google Chrome and Safari , respectively. At the time, Microsoft stated that "any Edge-WebKit differences are bugs that we’re interested in fixing." Breaking from Trident, the new EdgeHTML engine was focused on modern web standards and interoperability, rather than compatibility. The initial release of EdgeHTML on Windows 10 included more than 4000 interoperability fixes. On August 18, 2015, Microsoft released

425-454: The larger group, or whoever controls the web site, will retain the full original name and the associated user community. Thus, there is a reputation penalty associated with forking. The relationship between the different teams can be cordial or very bitter. On the other hand, a friendly fork or a soft fork is a fork that does not intend to compete, but wants to eventually merge with the original. Eric S. Raymond , in his essay Homesteading

450-493: The largest cause of reliability issues in Insider builds of Microsoft Edge, which should improve reliability on major sites such as Facebook and Outlook. Enabled H.264/AVC support by default for RTC scenarios. Ongoing work to add support for CSS Custom Properties. Ongoing work to add support for CSP 2.0 and WebRTC 1.0 Fork (software development) In software engineering , a project fork happens when developers take

475-521: The process of creating a subgroup to move topics of discussion to. "Fork" is not known to have been used in the sense of a community schism during the origins of Lucid Emacs (now XEmacs ) (1991) or the Berkeley Software Distributions (BSDs) (1993–1994); Russ Nelson used the term "shattering" for this sort of fork in 1993, attributing it to John Gilmore . However, "fork" was in use in the present sense by 1995 to describe

500-564: The process. It was released to Windows 10 as part of the November Update on the same day. On November 18, 2015, the update got rolled out to Windows 10 Mobile users in the Insider Preview. Finally, Microsoft rolled out the same update to Windows Server 2016 as part of Technical Preview 4. On December 16, 2015, Microsoft released the first build of Redstone . In January and February 2016, 4 other builds followed, all laying

525-481: The successor groups over issues of legitimacy, succession, and design direction. There is serious social pressure against forking. As a result, major forks (such as the Gnu-Emacs / XEmacs split, the fissioning of the 386BSD group into three daughter projects, and the short-lived GCC/EGCS split) are rare enough that they are remembered individually in hacker folklore. David A. Wheeler notes four possible outcomes of

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550-401: The technical, social and financial barriers to forking a source code repository are massively reduced, and GitHub uses "fork" as its term for this method of contribution to a project. Forks often restart version numbering from numbers typically used for initial versions of programs like 0.0.1, 0.1, or 1.0 even if the original software was at another version such as 3.0, 4.0, or 5.0. An exception

575-463: The whole community a chance to benefit from your changes. Access to the source code is a precondition for this. 3. Derived Works: The license must allow modifications and derived works, and must allow them to be distributed under the same terms as the license of the original software. In free software, forks often result from a schism over different goals or personality clashes. In a fork, both parties assume nearly identical code bases, but typically only

600-482: Was in Windows 8.1 , leaving EdgeHTML only for the then new Edge browser. EdgeHTML was also added to Windows 10 Mobile and the second Windows Server 2016 Technical Preview. It was officially released on July 29, 2015, as part of Windows 10. Unlike Trident, EdgeHTML does not support ActiveX . It also drops support for the X-UA-Compatible header, used by Trident to determine in which version it had to render

625-428: Was working on VP9 , WOFF 2.0 , Web Speech API , WebM , FIDO 2.0 , and Beacon API . EdgeHTML has often been compared to Gecko due to its standards support and lack of compatibility with WebKit. Improved performance on websites with changes to large numbers of HTML Elements containing text by improving spellchecker efficiency. This results in substantially improved performance on websites like TweetDeck. Addressed

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