1.12.5

• performance performance performance
• add custom styleable mediacontrols (webshims.setOptions('mediaelement', {replaceUI: true});
• added simple mobile strategy helper for ['forms-ext'|'mediaelement'].replaceUI, forms.customDatalist and track.override options

1.12.3

• fixed removeAttr 'disabled' for fieldset[disabled] elements (fix by @outdooricon)
• Enable attribute placeholders for custom error elements in Instant Form Validation
• fix CSS bugs for IE8 in datepicker and range
• compile Jarisplayer as Flash 10.x (fix youtube advertisement bug https://code.google.com/p/gdata-issues/issues/detail?id=5911)

1.12.1

• improved intelligent calculation of basePath (now works with async loaded and renamed polyfiller, too)
• fixed regression in IE8 on input type date prev/next buttons (#340)
• trigger invalid event on form element (only in polyfilled browsers)
• added tooFixed option for input type=number (a good base for a currency input demo)
• added predefined styling configurations for mutliple widgets (range, date)
• added yearSelect option to type=month/date pickers (month)
• added noInlineValue to list/datalist (demo)
• improved descriptive errormessage markup
• new stepbase calculation using defaultValue if min isn't applied

1.12.0

• new dir structure for bower (:root/js-webshim is the new folder for build js. :root/demos/js-webshim will be removed with next realease)
• all locale js files are fetched using XHR (use setOptions('ajax', {crossDomain: true}) to disable)
• transfer JS options for many pickers to CSS (i.e.: showWeek: true -> .input-picker .ws-week {display: table-cell})
• fixed fieldset:disabled implementation demo
• improved styles for type=range, datalist and progress element
• most widgets are em scalable (base font is 13px)
• fixed data-errormessage attribute
• added grunt task to optimize polyfiller.js (-> grunt-tasks/optimize-polyfiller.js)
• update flashcanvas fixes a security issue (with php)
• a11y improvements

1.11.5 and 1.11.6

• improved support for video width=auto/height=auto in combination with min-/max- / width/height
• full support for jQuery mobile 1.3+
• update es5-shim v.2.1.0
• update Modernizr 2.7.1
• youtube qualitity settings for Flash and iframe API (using vq parameter on src (/vq=(small|medium|large|hd720|hd1080|highres)/i)
• updated dutch language file (thx to @espaan)
• a lot of undocumented option tweaks
• implemented/polyfilled setSelectionRange/selectionStart/selectionEnd
• added fieldset[disabled]/:disabled support (buggy, will be fixed with next release)