proposed solution to #1568: percentage as attribute
util.error is deprecated
1.5.0 beta 3 release
support inline css files in the sourcemaps
Add alias for =< as <= fixes #1435
throw an error when the unit function is passed bad input. Fixes #1426
do not match args with a variadic mixin that does not have enough arguments. Fixes #1527
send important on to sub mixins. Fixes #1256
allow media features to be variables. Fixes #1330
if ie compatability is off, do not warn at all about file sizes over IE's
limit. Fixes #1414
support @host. Fixes #1560
purge unnecessary files
Added `length` function (#1542). Added scalar value handling for `extract` and `length` (#1576).
import multiple has a cascade effect. fixes #1497
Merge branch 'master' of https://github.com/cloudhead/less.js
Merge pull request #1572 from robocoder/patch-2

util.error is deprecated
Merge branch 'master' of https://github.com/seven-phases-max/less.js
Update changelog
Merge pull request #1570 from MSamman/Percent_As_Attribute

proposed solution to #1568: percentage as attribute
1.5.0 beta 4 release - last one I hope