Gradient has outdated direction syntax. New syntax is like to left instead of right.

[naterkane]

it seems that there isn't a newer version than 1.3.0 on Atmosphere, (see: https://atmospherejs.com/deepwell/bootstrap-datepicker2 ) yet the library is up to 1.7.1 currently.

autoprefixer: /<path>/app/packages/deepwell_bootstrap-datepicker2/lib/css/datepicker.css:140:2: Gradient has outdated direction syntax. New syntax is like `to left` instead of `right`.
autoprefixer: /<path>/app/packages/deepwell_bootstrap-datepicker2/lib/css/datepicker.css:205:2: Gradient has outdated direction syntax. New syntax is like `to left` instead of `right`.
autoprefixer: /<path>/app/packages/deepwell_bootstrap-datepicker2/lib/css/datepicker.css:257:2: Gradient has outdated direction syntax. New syntax is like `to left` instead of `right`.
autoprefixer: /<path>/app/packages/deepwell_bootstrap-datepicker2/lib/css/datepicker.css:308:2: Gradient has outdated direction syntax. New syntax is like `to left` instead of `right`.
autoprefixer: /<path>/app/packages/deepwell_bootstrap-datepicker2/lib/css/datepicker.css:380:2: Gradient has outdated direction syntax. New syntax is like `to left` instead of `right`.

This was fixed somewhere after 1.4.1 ... see uxsolutions/bootstrap-datepicker#1594