Features

Change attributes parsing to allow special characters, notably <>, inside values (#1020, #1145, #1092)
.mjmlconfig is back, allowing to use custom components with the client (#660)
new attribute fluid-on-mobile on mj-image, that allows to set a width, but keep full-width on mobile (#263)
add type checking of attribute values in the validation process
--validate option was added on client (#1142)
allow empty alt attribute on mj-image (#1148)
add more logging to the client to help identify error causes (#1065)
allow global lang attribute to be specified in template for accessibility (#757)
Allow css-class to add multiple class names via multiple mj-class (#722)

Fixes

Minify no longer break MS Outlook conditional tags (#1201)
Repeated mj-tag's inside mj-attributes are now properly cumulated (#1194)
text-align on mj-button is now handled (#1188)
--watch option is fixed (#1171)
a mj-tag which is used several times inside mj-attributes will get all cumulated attributes (#1194)
mj-carousel image now properly fits its container (#1170)
mj-raw no longer counts as a column in mj-section when calculating columns' width (#1152)
0 value is no longer ignored in html attributes
The migration process no longer replaces mj-includes with the actual content (#1141)
Allowed Attributes in mj-spacer added to match documentation (#1102)
fix travis, added some tests & much linting