map_get, map_put und map_create nach sencha_map_get usw umbenennen wegen sass 3.4
liegt in vendors/htdocs/res/ext/4.2.4.1533/packages/ext-theme-base/sass/utils.rb

vendors/htdocs/res/ext/ext-latest/packages/ext-theme-base/sass/etc/mixins/background-gradient.scss

$experimental-support-for-svg
$support-for-original-webkit-gradients
$experimental-support-for-pie

auskommentieren

packages/ext-theme-neptune/build/ext-theme-neptune_all in partial umbenennen