- Code check will be processed in the background
- Removed counter_cache columns
- Added foreman for starting all required processes
- Resque for background processing
- Removed contest level, problem level and private contest
- Added fingerprint to solutions
- Using output file instead db column
- More localizations extracted
- erb --> haml
- Using prettify for source code display
- Show only first 1 kilbytes of test result
- Added posts and removed pages, topics and lessons resources
- Separated abilities by role
- It is possible to solve problem with all tests visible
- Removed rss feeds
- Removed best solution and solved solutions tabs, use table sorter
- Some mobile browser friendliness
- Sleek view for users ranking
- Deleted atom_feed_helper plugin
- Replaced legacy auto_complete plugin with bootstrap typeahead
- Replace plugin with wmd editor gem
- Rename rhtml to html.erb
- Simpler list on user profile
- Replaced will_paginate with kaminari
- User profile page re-desinged
- Languages are no longer AR, now in config
- Delete all social column except web and twitter
- Replaced blueprint with bootstrap
- Major UI redesign
- Upgrade to Rails 3.2, Ruby 1.9.3
- Asset pipeline
- Store test data with paperclip(out of db)
- CanCan for authorization
- Update rails gem to 2.3.18
- Removed google ad. not being clicked nor being noticed by coders :(
- Twitter announcement added
- Using delayed job for new contest notification
- Added new kind of contest -- contributors only private contest
- Using haml as templating enginge
- Added support for script languages(ruby, python)
- Using bundler for managing gem versions
- Google adsense :P
- Using web font
- Take first solved time as a time
- Sponsors added
- Limit output file size
- Hide inactive problems on search page
- Level is changed to power of 2
- Ingore white spaces when comparing results
- Rails gem version upgraded to 2.3.8
- Harsh is replaced by jquery.syntax
- problem points are power of 2
- Comments added per solution
- Installed exception notification
- Customized HTTP error pages
- Scrooge is used for loading only needed columns
- Social media infor added to user profiles
- Harsh plugin for code styling
- Started using local git repo per user
- Notification mailer new release
- Added favicon
- Show only output of compile error
- Show diff of results
- Replaced attachment_fu with paperclip and attachment model removed
- Twitter like flow pagination
- Use ajax for user tab
- Removed in_place_editing and respont_to_parent
- Homeworks removed from lessons
- Sanitized users listing
- Comment moderation added
- Search feature added using thinking_sphinx
- Removed plugins acts_as_authenticated, acl_system2, acts_as_rateable
- Using jrails
- OpenID is added by open_id_authentication plugin
- Tabbed view for user page
- Removed banner configurable banner
- Removed contest types
- Removed whole course organization section
- Removed tasks and fullfillments section
- Removed student workgroups
- Removed polls
- Removed prizes
- Removed problem types
- Removed Questions & Answers section
- Removed ratings feature
- Removed sponsors section
- Removed some files in scripts/* from old rails version
- Removed some plugins acts_as_taggable, classic_pagination, acts_as_textiled, fckeditor, interlock, limited_sessions, mini_magick, ssl_requirement, textile_editor
- Copied from SVN repository
- Upgraded to Rails 2.1.1
- SVN Repository created
- Application created with Rails 1.2