support for EC2 IAM roles with Amazon S3 file store/backup
refactor multiple instances of S3 key check logic to single variable
Add RTL support to Discourse CSS pre-processing using the RTLit gem and configurable via discourse.conf
ensure rtlit gem in Gemfile is not required by default
ensure RTLit gem is included and CSS is RTLed if css_rtl is enabled in discourse config
Have reciever handle multiple To addresses
Use same reply-to format in all email fixtures
Add error reply for new error
Fix: block parser now uses regexes for end tags. solves code block case, where end tag must be on a line of its own.
Not initializing variable for looping if unused in loop
Fix assignment of post number to progress position
Use progress bar indices in jump control, too
FIX: rate limit password reset email
FIX: API should return post_action or nil, true is wrong
FIX: incorrect redirection code
FIX: missing index
FIX: don't make an ajax request when password or user is blank
SECURITY: stop potential symbol leak
Unknown format is not interesting
FIX: #2664 it should be validates not validate

Thanks @chancancode