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Revisions of HTML
Starting in 1990, and ending in 1995, CERN was the first company that hosted the revisions and new extensions for HTML. IETF later took over, hosting the revisions and extensions. W3C Website -
HTML 3.2
In 1995, W3C was created, and began to develop HTML 3, which was the first abortive attempt to extend the system made way for the next version. Completed in 1997, HTML 3.2 was a more pragmatic approach on the original version. A new version, called HTML 4, quickly followed HTML 3.2. LandofCode Website -
XHTML
In 1998, a year after HTML 3.2 and HTML 4, W3C stopped evolving HTML, creating the new XHTML, which was an XML-based equivalent of the HTML 4 system. BrightHub Website -
XHTML Mod./ XHTML 2
After XHTML was completed in 2000, W3C began work on making XHTMl easier for other groups to use, titling the newer version XHTML Modularization. Along side this, W3C developed a new computer language, uncampadilble with XHTML and HTML, called XHTML 2. W3C Website -
DOM
After W3C stopped work on the original HTML systems, several parts were published with new names. DOM Level 1, DOM Level 2 Core, and DOM Level 3 HTML were started in 2000, before being finished in 2003 and 2004. W3C Website -
XForm
In 2003, XForm was published, helped spark a renewed interest in evolving the original HTML, instead of creating newer variations to replace it. This interest was started when XHTML began to fail, as it was limited to newer technologies, instead of it's designed purpose of being a better HTML. IBM Website -
W3C and HTML 5
In 2004, the idea of evolving HTML 4 began to sprout, as Mozilla and Opera worked on the principles for HTML 5. The proposal for W3C to develop HTML 5 was rejected, when the company voted to continue working on the XML-based variations. W3C Website -
WHATWG
Shortly after W3C rejected work on HTML 5, Apple, Mozilla, and Opera announced the three companies would work on evolving HTMl 4, under a new venue named WHATWG. GitHub Website -
WHATWG and W3C
Two years after WHATWG was created, W3C began to show interests in developing HTML 5, and in 2007, Apple, Mozilla, and Opera allowed W3C to publish a specification, keeping a variation for the original WHATWG. W3C Website -
Two Groups
In 2011, the two groups working on HTML 5 realized they had different goals for the system, with W3C wanting to draw a line for the recommendations on HTML5, and WHATWG wanting to work on a live variation. W3C Website -
W3C's Future
In 2012, W3C's was introduced a new editing team, which worked on taking care of HTML5, and began development on a new version, which would be called HTML 6. W3C Website -
Present Day
Since 2012, W3C's HTML WG has been picking patches from WHATWG's version which resolved bugs in the system. HTML5 was been published, being maintained alongside other computer languages, such as CSS. W3C Website -
