Release notes for WeBWorK 2.20

This article is under construction. Use the information herein with caution until this message is removed.

Warning :

This page should be considered incomplete until the release of 2.20 has been announced

New WeBWorK Features

• Improvements to efficiency of database calls
• Fix a memory leak
• Change student and instructor emails from plain text to HTML
• LTI Section information
• You can now load a problem directly from the Problem Editor, or start with any of the sample problems
• Use achievement item form??
• Change field types when upgrading database - update tables in admin course
• Improvements to adding users when creating a new course
• Add the ability to manage secrets for two-factor authentication to the admin interface
• More configurability for when grades are sent back to the Learning Management System using LTI
• Update the Shibboleth authentication module to work with the current version of WeBWorK
• Fix error in displaying how often grades are sent back to the LMS
• Problem editor upgraded to CodeMirror 6 - introduces new features - accordioning, text completion
• Add option for LTI 1.3 where students can work on assignments even if they are not linked to the LMS and grade passback is set to homework
• Importing set definition files with paths to problem files that contain spaces now works

New PG Features and Improvements

• Improvements to degree n matrices (https://github.com/openwebwork/pg/pull/1216)
• RServe interface rewritten to no longer require Statistics::R::IO
• Improvements to the GraphTool
  • Tools for polygons
  • Sine wave tool added
  • Vector tool
  • Improvements to fill tool
• Improvements to contextReaction.pl (https://github.com/openwebwork/pg/pull/1114)
• New contextExtensions.pl (https://github.com/openwebwork/pg/pull/1106)
  • Fraction contexts are now extensions of the parent context (https://github.com/openwebwork/pg/pull/1108)
  • Units now implemented as MathObject classes - contextUnits.pl (https://github.com/openwebwork/pg/pull/1107)

Breaking changes

• custom_problem_grader_0_60_100 has been removed. Problems should be converted to custom_problem_fluid
• Change in behaviour when comparing a degree 1 matrix and a degree 2 matrix (https://github.com/openwebwork/pg/pull/1227)

Deprecated Functionality

• TODO

Upgrade Instructions

• First update the webwork2 and pg code. For this run

  > cd /opt/webwork/webwork2

  > git fetch origin

  > git checkout WeBWorK-2.20

  > git pull

  > cd /opt/webwork/pg

  > git fetch origin

  > git checkout PG-2.20

  > git pull

• Update the javascript and css assets for webwork2 and pg with

  > cd /opt/webwork/webwork2/htdocs

  > npm ci

  > cd /opt/webwork/pg/htdocs

  > npm ci

• Run bin/check_modules.pl to ensure you have all programs/modules (although there are no new dependencies for this release).
• Restart the webwork2 server: >sudo systemctl restart webwork2
• If you use the webwork2 job queue, then that will also need to be restarted. Do that with: >sudo systemctl restart webwork2-job-queue
• You should update the modelCourse via: rsync -av /opt/webwork/webwork2/courses.dist/modelCourse/ /opt/webwork/courses/modelCourse/
• Upgrade the admin course by executing the upgrade_admin_db.pl script.
• Make sure to upgrade courses from the admin course to relegate changes to the database.