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Changelog

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March 2026

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Repository Analytics (PR #637)

Instructors and graders can now audit individual student contributions on group assignments through the new Repository Analytics feature. Key features:
  • Daily activity charts showing commits, pull requests, issues, and comments
  • Detailed items table with file changes and metadata
  • Per-submission view accessible from the submission sidebar
  • CSV export for external analysis
  • Manual refresh with fetch status and rate-limit feedback
  • Automated daily refresh for active assignments
How to use:
  1. Enable repository analytics in the assignment settings
  2. View analytics from the “Repo Analytics” tab on any submission
  3. Link rubric checks to specific KPI categories (commits, PRs, issues, etc.)
  4. Click analytics links in rubric checks to filter by activity type

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Group Individual Grading (PR #638)

Group assignments now support per-student grading modes for more granular assessment. New grading modes:
  • Individual grading: Rubric parts are graded separately for each group member
  • Assign-to-student: Graders can assign specific rubric parts to individual students
Features:
  • Per-student score breakdowns in submission views
  • Targeted annotations for individual group members
  • Separate scores tracked in gradebook
  • Role-aware display (students see only their own scores)
How to use:
  1. In the rubric editor, mark parts with is_individual_grading: true or is_assign_to_student: true
  2. When grading, select which student each annotation applies to
  3. View per-student totals in the submission sidebar

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Survey Improvements (PR #652)

Enhanced survey display and results analysis for better insights. Improvements:
  • Instructor dashboard now shows open and recent surveys
  • Student dashboard displays pending surveys with status badges
  • Section filtering in group analytics with persisted selection
  • Group member roster view showing submission status
  • Email links for contacting students and mentors
  • Improved response formatting with proper choice label mapping

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Auto-Recalculation of Grades (PR #662)

Submission grade totals now automatically update when rubric check scores change. What changed:
  • Editing a rubric check’s point value now immediately updates all affected submissions
  • No manual recalculation needed
  • Ensures grade consistency across all submissions

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Improved Error Messages (PR #660)

Students now receive more descriptive and actionable error messages when submissions fail. Improvements:
  • Clearer explanations of what went wrong
  • Specific guidance on how to fix common issues
  • Better formatting for error details

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Decimal Score Support (PR #659)

The gradebook now accepts decimal scores for more precise grading. What changed:
  • Number inputs in the gradebook now support decimal values
  • Allows for partial credit with greater precision
  • Maintains compatibility with existing integer scores

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File Viewer Performance (PR #654)

Fixed memory leaks in the submission file viewer that could cause browser crashes. Technical improvements:
  • Replaced blob URLs with signed URLs for binary file previews
  • Eliminated memory accumulation when viewing multiple large files
  • Added lazy loading for images
  • Improved performance when grading submissions with many files

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Group Assignment Due Date Fixes (PR #657)

Fixed an issue where due date exceptions for group assignments were not being applied correctly. What was fixed:
  • Due date exceptions now properly use assignment_group_id instead of student_id
  • Group submissions now correctly respect manual extensions

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Special Character Handling (PR #650)

Binary file names with special characters are now handled correctly. What was fixed:
  • Files with Unicode characters (e.g., macOS screenshot names with special spaces) now upload successfully
  • Improved filename sanitization for storage compatibility

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HTML Escaping in Markdown (PR #658)

Markdown renderers now properly escape HTML tags instead of stripping them. What changed:
  • HTML tags in markdown content are now displayed as text
  • Prevents unintended HTML rendering in student submissions
  • Improves security and display consistency