| ⇢ | A | BoardController added | |
| ⇢ | A | IndexController added | |
| ⇢ | A | InstallerWorker added | |
| ⇢ | A | AdminController added | |
| F | ↗ | A | InstallerBase improved |
| A | ↛ | ContestController removed | |
| A | ↛ | ContestBoardController removed | |
| A | ↛ | ContestAdminController removed |
| ⇢ | C | IndexController::index() added | |
| ⇢ | B | delFile() added | |
| ⇢ | B | InstallerWorker::commitCompiler() added | |
| ⇢ | B | BoardController::editor() added | |
| ⇢ | B | InstallerWorker::importCompilerInfo() added | |
| ⇢ | A | BoardController::status() added | |
| ⇢ | A | BoardController::rank() added | |
| ⇢ | A | BoardController::challenge() added | |
| ⇢ | A | AdminController::admin() added | |
| ⇢ | A | IndexController::detail() added | |
| ⋮ | view more | ||
| C | ↛ | ContestController::index() removed | |
| B | ↛ | InstallerBase::commitCompiler() removed | |
| B | ↛ | InstallerBase::delFile() removed | |
| B | ↛ | ContestBoardController::editor() removed | |
| B | ↛ | InstallerBase::importCompilerInfo() removed | |
| A | ↛ | ContestBoardController::status() removed | |
| A | ↛ | ContestBoardController::rank() removed | |
| A | ↛ | ContestBoardController::challenge() removed | |
| A | ↛ | ContestAdminController::admin() removed | |
| A | ↛ | ContestController::detail() removed | |
| ⋮ | view more | ||