TIOJ 2.1.1

This is a bug-fix release.

• Fix avatar generation (#20 by @oToToT)
• Fix admin user page routing error (#23 by @OmeletWithoutEgg)
• Add Chinese version of the verdict page (#24 by @OmeletWithoutEgg)
• Fix crash when contest/problem form validation failed
• Fix comment UI & routing

TIOJ 2.1.0

This version includes some new features and changes.

New Features

• Support multiple sample testdata in a problem by @leo900807 in #16
• Use the last used compiler by default when creating a new submission

Enhancements

• Show ER message
• Install Passenger at the same time of other gems in install script

Deprecations

• Move all settings from Rails credentials system to config/settings.yml. Settings in credentials are deprecated.

Bug Fixes

• Fix judge docker execution error because of tmpfs set to noexec

TIOJ 2.0.1

This is a bug-fix release.

• Retry testdata result transaction on locking failure
• Use utf8mb4 in database.yml
• Fix some crashes and Sentry sampling rate configuration

TIOJ 2.0.0

This version introduced various changes, features & improvements:

Judge System

• Judge Client: Replaced isolate-based miku with cjail-based tioj-judge. Notable features:
  • Limit & report memory in both VSS & RSS
  • More verdicts: SIG, OLE, MLE, CLE
  • Priority judging
  • New powerful special judge mode that can access lots of information, set arbitrary score and override results
  • Multistage problems (similar to CMS's TwoStep mode)
  • Support some basic judging modes (such as floating-point compare, strict compare and white-diff compare) without the need of user-provided special judge program
  • Allow interactive library implementation file
• Use WebSocket to communicate with judge client for faster submission fetching
• Allow ignoring some testdata in overall result calculation

Website

• Auto-update submission judging progress without refreshing
• Add problem discussion page
• Allow banning compilers for a problem
• Allow admins to download testdata
• Better announcement managing
• Provide description pages of verdict & memory statistics description
• Testdata batch management: TL/ML/OL editing, reordering & deletion
• User whitelist & ability to hide contest for contests

Bug fix

• Broken password recovery feature
• Incorrect submission viewing permission
• CSRF on rejudge / submission deletion endpoints
• Scoreboard freezing in GCJ/IOI style contests

Deployment

• Add Dockerfile & docker-compose
• Provide automatic install script

Others

• Optimize performance of problem loading and top coder calculation
• Upgrade to latest version of Ruby, Rails & various gems
• Allow Sentry monitoring