IE7 issue.
Minimal PHP requirement version 5.3.
HTML5 recalled to HTML Living Standard.
.txt utf-8 encoding set by AddDefaultCharset, added utf-8 encoding for .vtt
Added proper mime type for vtt
Handle 403 error page
No more need for X-Content-Type-Options: nosniff, since defined correct content type for Chrome crx http://developer.chrome.com/extensions/hosting.html and IE js http://msdn.microsoft.com/en-us/library/gg622941(v=vs.85).aspx
Handle manifest.appcache as php
Shorten RewriteRule's syntax, removed needless rules and specifications
Corrected RewriteRule's order
Enabled rewrite exception for path "images" by default
Remove index.html and html extension
Remove unsafe characters RFC 1738 http://www.rfc-editor.org/rfc/rfc1738.txt
Remove question mark and parameters and
Fixed query rewrite exceptions for JSONP respond and enabled by default
Fixed URL rewrite regex for API respond
Save bandwidth and overhead with If-Modified-Since and help to Google Search crawl
Use Apache 2.4 specification by default
Load mod_security2 module
Added DirectoryIndex
UTF-8 encoding specifications
Define proper MIME type
Gzip compression
Improve better cache control
Allow Web Fonts access from all domains
Use Apache 2.4 specification by default
Use correct Content-Type "application/javascript" for JSONP
Use Content-Type "text/plain" for error respond
Use "./" to better specify include path. Using dirname + file name is slightly faster, because PHP will not iterate through *include_path* searching for the file.
PHP 5.4.4 zlib.output_compression bug fixed since PHP 5.4.6
HTML5 recalled to HTML Living Standard
Improved Install page UI
Shorter code to detect recent version date, supported since PHP 5.3
HTML5 recalled to HTML Living Standard
Use latest jQuery 1.8.2
Markup
Corrected order for header "Content-Type" definition
Added Twitter Cards markup, print just for Usaer-Agent "Twitterbot" since it does not applies to W3C standards
Return Pinterest "nopin" meta tag just for Usaer-Agent "Pinterest" since it does not applies to W3C standards
Dropped target-densityDpi and its translated CSS property resolution, besides use latest optimization
Begin to work on Cache Manifest
Removed html lang specification since its value `English` may often end up being semantically incorrect and website might contain multiple languages. Let crawlers to detect the language
Better semantic to mine navigation with js-* class names for any JavaScript event
Removed needless hyperlink titles
First commit for Cache Manifest file for Offline API
Improved markup
Show allways vertical scrool and avoid horizontal scroll, and avoid layout juping from scroll hidden and visiable
Specified html background-color
Fixed Firefox user-select specification
Fixed Firefox user-drag specification (still not supported on Firefox Nightly)
Fixed Firefox :focus issue on links
Enlarget font-size and line-height to improve good UX also mobile and tabled devices
Use hyphens on word-break
Apply list-style-position:inside; since removed ul, ol padding
Improved a :hover, :focus handle
Improved input, textarea specifications and UI
Opera 12.50 alpha specificitaions moved to Opera 12.10 beta https://plus.google.com/u/0/110977198681221304891/posts/g6kVAGujDnd
Made global UI .ui-center specs
Added .button UI
Use inherit to reduce repetition of CSS property values http://www.456bereastreet.com/archive/201209/use_inherit_to_reduce_repetition_of_css_property_values/
Highly improved navigation UX with Flexbox and Media Query specification
Added prefixed box-shadow for > iOS 5 support
Specify .breadcrumb class
Fixed CSS Device Adaptation rules http://dev.w3.org/csswg/css-device-adapt/
Added hidden attribute support for old IE http://dev.w3.org/html5/spec/single-page.html#the-hidden-attribute
iOS remove bubble dialog on tap-holding
Added Webkit textarea scrollbar UI
Added Apache 2.2 specification and enabled by default