diff --git a/LICENSE b/LICENSE
index 84c39ef9..01cc176a 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2010-2019 Kattis and all respective contributors
+Copyright (c) Kattis and all respective contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 9b570019..210a35bb 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,12 @@
 # Kattis Problem Tools
 
-master:
-![Master Build Status](https://github.com/kattis/problemtools/actions/workflows/python-app.yml/badge.svg?branch=master)
-develop:
-![Develop Build Status](https://github.com/kattis/problemtools/actions/workflows/python-app.yml/badge.svg?branch=develop)
+![Build Status](https://github.com/kattis/problemtools/actions/workflows/python-app.yml/badge.svg?branch=master)
+[![pre-commit](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit)](https://github.com/pre-commit/pre-commit)
 
-These are tools to manage problem packages using the Kattis problem package
-format.
+These are tools to manage problem packages using the Kattis [problem package
+format](https://www.kattis.com/problem-package-format/). The problem package
+specification is developed in the [problem package format
+repository](https://github.com/Kattis/problem-package-format).
 
 
 ## Programs Provided
@@ -47,11 +47,15 @@ A few examples of problem packages can be found in [examples](examples).
 There are four supported ways of installing and running problemtools.
 (For non-Linux users, "Method 2" below, to use Docker, is probably the least painful.)
 
+Note that in all methods except for "Method 2", you must manually install
+dependencies such as LaTeX and tools for any languages you want to use. See
+[Requirements and compatbility](#requirements-and-compatibility) for details.
+
 ### Method 1: Install the Python package using pipx
 
 Run
 ```
-pipx install git+https://github.com/kattis/problemtools
+pipx install problemtools
 ```
 
 In order to get the command line scripts, you need to make sure that the local
@@ -77,19 +81,30 @@ We maintain three official problemtools Docker images on Docker Hub:
 
 - [`problemtools/minimal`](https://hub.docker.com/r/problemtools/minimal/): this image only contains problemtools, no additional programming languages.  As such, it is not particularly useful on its own, but if you are organizing a contest and want to set up a problemtools environment containing exactly the right set of compilers/interpreters for your contest, this is the recommended starting point.
 
-For example, suppose you want to use the `problemtools/icpc` image.  To get started, install the [Docker CLI](https://docs.docker.com/install), and then pull the image:
+For example, suppose you want to use the `problemtools/icpc` image.  To get started (or update to the latest release), install the [Docker CLI](https://docs.docker.com/install), and then pull the image:
 
     docker pull problemtools/icpc
 
-Once the image has finished downloading, you can check that it exists on your system using `docker images`. To launch an interactive container and play around with *verifyproblem*, *problem2pdf*, and *problem2html* run:
+The most convenient way to use the container is by creating shell script(s) similar to this and add it to your `$PATH`. If you call the script `verifyproblem.sh`, you could then `verifyproblem.sh examples/hello` to use the icpc docker image to verify examples/hello:
+```sh
+#!/bin/bash
+
+if [ $1 -a -d $1 ]; then
+    docker run --rm -t -v $(dirname $(readlink -f $1)):/work problemtools/icpc verifyproblem /work/$(basename $1)
+else
+    echo No such directory: $1
+fi
+```
+
+To instead launch an interactive container and play around with *verifyproblem*, *problem2pdf*, and *problem2html* run:
 
     docker run --rm -it problemtools/icpc
 
 By default, docker containers do _NOT_ persist storage between runs, so any files you create or modify will be lost when the container stops running.  Two common ways of dealing with this are:
 
-1) Use a [bind mount](https://docs.docker.com/storage/bind-mounts/) to mount a directory on your machine into the docker container.  This can be done as follows (see Docker documentation for further details):
+1) Use a [bind mount](https://docs.docker.com/storage/bind-mounts/) to mount a directory on your machine into the docker container.  Mounting the current directory to /kattis_work_dir can be done as follows (see Docker documentation for further details):
     ```
-    docker run --rm -it -v ${FULL_PATH_TO_MOUNT}:/kattis_work_dir problemtools/icpc
+    docker run --rm -it -v $(pwd):/kattis_work_dir problemtools/icpc
     ```
 2) Persist any changes you want to keep to a remote file system/source control (e.g., a remote Git repository; note, however, that you would first need to install Git in the image).
 
@@ -211,7 +226,8 @@ problemtools' configuration:
 ## Requirements and compatibility
 
 To build and run the tools, you need Python 3 with the YAML and PlasTeX libraries,
-and a LaTeX installation.
+and a LaTeX installation. You must also install language tools (e.g., compilers)
+for any languages used in problem packages.
 
 ### Ubuntu
 
diff --git a/admin/build_pypi_packages.sh b/admin/build_pypi_packages.sh
index 33fb330e..d9567a24 100755
--- a/admin/build_pypi_packages.sh
+++ b/admin/build_pypi_packages.sh
@@ -4,6 +4,10 @@ set -e
 ALLOW_DIRTY=false
 TAG=develop
 
+echo N.B., this script is solely to allow for local testing of whl/src.
+echo To actually build and push things to pypi, trigger the pypi flow
+echo in github actions, https://github.com/Kattis/problemtools/actions
+
 while getopts "d" opt; do
     case $opt in
         d) ALLOW_DIRTY=true ;;
diff --git a/admin/make_release.sh b/admin/make_release.sh
index 0343ac27..17ad9416 100755
--- a/admin/make_release.sh
+++ b/admin/make_release.sh
@@ -1,10 +1,17 @@
 #!/usr/bin/env bash
 #
-# Uses git flow and gbp tools (available through Ubuntu packages
-# git-flow, git-buildpackage)
+# Uses gbp (available through Ubuntu package git-buildpackage)
 
 set -e
 
+ALLOW_DIRTY=false
+while getopts "d" opt; do
+    case $opt in
+        d) ALLOW_DIRTY=true ;;
+        \?) echo "Invalid option: -$opt" ;;
+    esac
+done
+
 ROOT=$(readlink -f $(dirname $0)/..)
 VERSION=1.$(date +%Y%m%d)
 
@@ -16,20 +23,50 @@ if [ "$(git tag -l v$VERSION)" != "" ]; then
     VERSION=$VERSION-rev$REV
 fi
 
-set -x
 
-git flow release start --showcommands $VERSION
+# Steps:
+#   Pick a version (done by the above loop)
+#   Update debian/changelog using gbp
+#   Create and merge pull request with the updated debian/changelog
+#   Create a github release (using web UI) or gh
+#   Push to pypi using github action
+#   Push to docker using admin/update_docker.sh v$VERSION
+
+CHANGELOG_VERSION=$(dpkg-parsechangelog -l $ROOT/debian/changelog --show-field Version)
+if [[ $CHANGELOG_VERSION == $VERSION ]]; then
+    echo "Debian changelog seems updated"
+else
+    echo "Updating debian changelog (this is surprisingly slow)"
+    EMAIL=$(git config user.email) gbp dch $ROOT --release --new-version=$VERSION --ignore-branch --git-author --debian-tag='v%(version)s' --debian-branch=release/$VERSION --spawn-editor=never
+    echo "Please commit the updated changelog, do a pull request, and get it merged, then run this script again on an up-to-date master branch"
+    exit 0
+fi
 
-# Update _version.py
-$ROOT/admin/update_version.py.sh $VERSION
+cd $(dirname $(readlink -f $0))
 
-# Update debian/changelog
-gbp dch $ROOT --release --new-version=$VERSION --git-author --debian-tag='v%(version)s' --debian-branch=release/$VERSION --spawn-editor=never
+if [[ -n $(git status -s) ]]; then
+    echo "Repository is dirty."
+    git status -s
+    [[ "${ALLOW_DIRTY}" != "true" ]] && exit 1
+fi
 
-git add $ROOT/problemtools/_version.py $ROOT/debian/changelog
-git commit -m "Release of version $VERSION: bump version in problemtools/_version.py and debian/changelog"
+GITTAG=master
+if [[ $(git rev-parse --abbrev-ref HEAD) != ${GITTAG} && $(git describe --exact-match --tags 2>/dev/null) != ${GITTAG} ]]; then
+    echo "Repository is currently not on branch/tag ${GITTAG}."
+    [[ "${ALLOW_DIRTY}" != "true" ]] && exit 1
+fi
+
+THIS_REPO_VERSION=$(git -C $(dirname -- "$0") rev-parse HEAD)
+UPSTREAM_VERSION=$(git -C $(dirname -- "$0") ls-remote upstream master | cut -f1)
+if [[ $THIS_REPO_VERSION != $UPSTREAM_VERSION ]]; then
+    echo "Warning: git head of repo does not match upstream. You likely want to update this repo"
+    [[ "${ALLOW_DIRTY}" != "true" ]] && exit 1
+fi
 
-git flow release finish --showcommands --message "Release $VERSION" $VERSION
 
-echo "After pushing changes to GitHub, please run"
-echo "  $ROOT/admin/update_docker.sh v$VERSION"
+echo "Below is untested, echoing commands instead of running them"
+echo "Creating a draft release on github"
+echo gh -R Kattis/problemtools release create -d v$VERSION
+echo "After finalizing the release on GitHub, please:"
+echo " - trigger the pypi release workflow"
+echo " - run $ROOT/admin/update_docker.sh v$VERSION"
diff --git a/admin/update_docker.sh b/admin/update_docker.sh
index 0547ae60..fe5d2aba 100755
--- a/admin/update_docker.sh
+++ b/admin/update_docker.sh
@@ -2,7 +2,8 @@
 set -e
 
 ALLOW_DIRTY=false
-TAG=develop
+GITTAG=master
+DOCKERTAG=develop
 UPDATE_LATEST=false
 
 while getopts "d" opt; do
@@ -15,7 +16,8 @@ done
 shift $((OPTIND-1))
 
 if [ "$1" != "" ]; then
-    TAG=$1
+    GITTAG=$1
+    DOCKERTAG=$1
     UPDATE_LATEST=true
 fi
 
@@ -27,19 +29,21 @@ if [[ -n $(git status -s) ]]; then
     [[ "${ALLOW_DIRTY}" != "true" ]] && exit 1
 fi
 
-if [[ $(git rev-parse --abbrev-ref HEAD) != ${TAG} && $(git describe --exact-match --tags 2>/dev/null) != ${TAG} ]]; then
-    echo "Repository is currently not on branch/tag ${TAG}."
+if [[ $(git rev-parse --abbrev-ref HEAD) != ${GITTAG} && $(git describe --exact-match --tags 2>/dev/null) != ${GITTAG} ]]; then
+    echo "Repository is currently not on branch/tag ${GITTAG}."
     [[ "${ALLOW_DIRTY}" != "true" ]] && exit 1
 fi
 
+echo "Updating Ubuntu base image"
+docker pull ubuntu:24.04
 
 # Make our internal images, and our githubci image. Order is important, images depend on each other
 echo "Building intermediate images, plus githubci image"
 for IMAGE in runreqs build icpclangs fulllangs githubci; do
     docker build \
         -f Dockerfile.${IMAGE} \
-        -t problemtools/${IMAGE}:${TAG} \
-        --build-arg PROBLEMTOOLS_VERSION="${TAG}" \
+        -t problemtools/${IMAGE}:${DOCKERTAG} \
+        --build-arg PROBLEMTOOLS_VERSION="${DOCKERTAG}" \
         .
 done
 
@@ -48,13 +52,13 @@ echo "Building deb"
 mkdir -p artifacts
 sudo rm -rf artifacts/deb
 # Use our build image to build a deb
-docker run --rm -v "$(pwd)/../..:/problemtools" -v "$(pwd)/artifacts/deb:/artifacts" problemtools/build:${TAG} \
+docker run --rm -v "$(pwd)/../..:/problemtools" -v "$(pwd)/artifacts/deb:/artifacts" problemtools/build:${DOCKERTAG} \
     /bin/bash -c "
         set -e ;
         mkdir /build ;
         cd /build ;
         git config --global --add safe.directory /problemtools/.git ;
-        git clone --branch ${TAG} /problemtools ;
+        git clone --branch ${GITTAG} /problemtools ;
         cd problemtools ;
         make builddeb ;
         cp ../*.deb /artifacts"
@@ -62,7 +66,7 @@ sudo chown -R $USER:$USER artifacts/
 
 
 echo "Testing deb"
-if ! docker run --rm -t -v "$(pwd)/../..:/problemtools" -v "$(pwd)/artifacts/deb:/artifacts" problemtools/fulllangs:${TAG} \
+if ! docker run --rm -t -v "$(pwd)/../..:/problemtools" -v "$(pwd)/artifacts/deb:/artifacts" problemtools/fulllangs:${DOCKERTAG} \
     /bin/bash -c '
         set -e ;
         shopt -s extglob ;
@@ -78,8 +82,8 @@ echo "Building complete images with problemtools baked in"
 for IMAGE in minimal icpc full; do
     docker build \
         -f Dockerfile.${IMAGE} \
-        -t problemtools/${IMAGE}:${TAG} \
-        --build-arg PROBLEMTOOLS_VERSION="${TAG}" \
+        -t problemtools/${IMAGE}:${DOCKERTAG} \
+        --build-arg PROBLEMTOOLS_VERSION="${DOCKERTAG}" \
         .
 done
 
@@ -87,8 +91,8 @@ done
 if [ "${UPDATE_LATEST}" = "true" ]; then
     echo "Build complete. If you are happy with the images, run the following:"
     for IMAGE in minimal icpc full githubci; do
-        echo "    docker tag problemtools/${IMAGE}:${TAG} problemtools/${IMAGE}:latest"
-        echo "    docker push problemtools/${IMAGE}:${TAG}"
+        echo "    docker tag problemtools/${IMAGE}:${DOCKERTAG} problemtools/${IMAGE}:latest"
+        echo "    docker push problemtools/${IMAGE}:${DOCKERTAG}"
         echo "    docker push problemtools/${IMAGE}:latest"
     done
 fi
diff --git a/debian/changelog b/debian/changelog
index 9891d94a..8f0eeec6 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,374 @@
+kattis-problemtools (1.20250605) noble; urgency=medium
+
+  [ Tagl ]
+  * Set working directory for submission
+
+  [ Per Austrin ]
+  * small fixes to README.md
+
+  [ Tagl ]
+  * Support overwriting directories within submissions with included directories
+
+  [ JoelNiemela ]
+  * Simplify problem2html argparser and add type annotations
+  * Simplify problem2pdf argparser and add type annotations
+  * Add line break for readability
+  * Add type annotations to verifyproblem
+  * Use long name for langparam
+  * Fix potential error
+  * Use tuple destructuring syntax
+  * Don't remove argparser_basic_arguments
+  * Fix CodeFactor errors
+
+  [ Konráð Elí Sigurgeirsson ]
+  * Update README.md
+
+  [ Joel Niemelä ]
+  * Update README.md
+
+  [ JoelNiemela ]
+  * Update kotlin to version 1.8.10
+
+  [ Harry Zhang ]
+  * Fix not showing WA test case verifyproblem.py
+
+  [ Gunnar Kreitz ]
+  * Fix crash in verifyproblem when in or ans files are not utf-8
+
+  [ Pehr Söderman ]
+  * Restructure problem2html
+  * Restructure restrucure problem2pdf
+  * Improve debugging output
+  * Parse args properly.
+  * Reintroduce the get_subgroup, as it is needed for addproblem.
+  * Reintroduce get_attachment_paths, as it is needed for addproblem.
+
+  [ Tobias Meggendorfer ]
+  * Improved logging, fix unicode error, include_dir buildrun
+  * Guard better agains non-unicode feedback
+  * Revert delayed import
+  * Fix missed init, add test case
+
+  [ Maarten Sijm ]
+  * Explicitly set language versions for Java and Kotlin in languages.yaml
+
+  [ Tobias Meggendorfer ]
+  * Restore old format
+
+  [ Gunnar Kreitz ]
+  * Add github action to run pytest and flake8
+  * Remove travis config, point badges to github badge
+  * Check that all symlinks point to something existing within the problem package
+  * Forbid all absolute symlinks
+
+  [ Simon Lindholm ]
+  * Type annotation fixes
+  * Add -j flag for multi-threaded validation
+  * Compile submissions early, improve cleanup
+
+  [ Pehr Söderman ]
+  * Adding sanity checks for file sizes.
+  * Add UUID as an optional field in problem.yaml
+  * Include examples in the manifest
+  * Fixing running of tests
+  * Build debian packages in ci
+  * Cache and add packages
+  * Warn if sample is empty
+
+  [ Fredrik Niemelä ]
+  * Change team to user for default validator
+
+  [ Pehr Söderman ]
+  * Add a dependency on dvisvgm, which was missing
+
+  [ matistjati ]
+  * Add markdown support
+  * Added display math
+  * Add dependencies for markdown
+  * Style markdown tables
+  * Remove temp files
+  * Statement fix
+  * Some refactoring
+  * Added image support in markdown
+  * Added footnote support
+  * Code cleanup
+  * md -> html works
+
+  [ Gunnar Kreitz ]
+  * Remove non-standard judgeerror.txt from example problems
+
+  [ matistjati ]
+  * Make md styling more constistent with latex
+
+  [ Pehr Söderman ]
+  * Bump the language versions for c and c++
+  * Bump the language versions for Java
+
+  [ matistjati ]
+  * md->pdf and Reorganize code
+
+  [ Pehr Söderman ]
+  * GCC should use gnu17
+
+  [ matistjati ]
+  * Better md->pdf tables
+  * Interactive samples for pdf
+  * Remove bplusa
+  * PDF problem name
+  * Add dependencies
+  * Add problem names
+  * Added problem name to test hello package
+  * Improve security by running pandoc without shell capabilities
+  * Refactoring
+  * Even more refactoring
+  * Remove python3-markdown dependency
+  * Add problem id to pdf and small fixes
+
+  [ Pehr Söderman ]
+  * Update languages.yaml
+
+  [ Tagl ]
+  * Run interactive validation with submission's working directory
+
+  [ Matistjati ]
+  * Change Rust compilation flags
+
+  [ Hugo Söderbergh ]
+  * Remove deprecated functionality
+  * add build to .gitignore
+
+  [ JoelNiemela ]
+  * Add special case error message when user output file is empty
+  * Modify error message according to github comment
+
+  [ Hugo Söderbergh ]
+  * add command-line argument, begin generalizing Problem class
+  * small fix
+  * abstract problems further
+  * catch general exception for detecting problem-format
+  * Add some documentation
+  * New abstraction, ProblemPart which makes it easier to implement parts of problems
+  * Problem is no longer an abstract class
+  * ProblemStatement now exists for old and new format
+  * Add TODO for ProblemStatement
+  * Fix issues with ProblemStatement
+  * Add some documentation and some final fixes
+  * Small change
+  * Allow to give class-type for part in Problem.get
+  * Whoops small bug crashed code
+  * Fix bug that crashed multithreading for testcase-validation
+  * Mark ProblemPart.depends_on() as staticmethod
+
+  [ Matistjati ]
+  * Disable html
+  * Change to wikimedia example image
+  * Sanitize image sources
+  * Remove SVG dependency
+  * Better markdown styling
+  * Better sample styling
+  * Add \nextsample and \remainingsamples
+  * Better pdf error handling
+  * Use {{nextsample}} instead of \nextsample
+  * Relax image checking (implied by global regex on filenames)
+  * Add svg dependency
+
+  [ Gunnar Kreitz ]
+  * Explicitly install build-essential, as deb building blows up on it not being installed
+
+  [ Hugo Söderbergh ]
+  * fix issues with PR
+
+  [ Gunnar Kreitz ]
+  * Remove test of verifyproblem.generators (which has been removed)
+
+  [ Hugo Söderbergh ]
+  * Remove bad break-statement and increase consistency in dictionary access
+  * more concise regex
+  * Make Problem constructor default to legacy format
+  * make tests pass
+
+  [ Matistjati ]
+  * Add back warning/error logging
+
+  [ Gunnar Kreitz ]
+  * Add mypy to github workflow
+  * Change type from list to tuple, helping mypy and being clearer
+  * Fix name of exception (old one also worked, as parser does import * from Scanner, but felt weird)
+  * Add type annotations and abstract class markers
+  * Add getProblemPart for when we need to access problem.classes
+  * Add python tooling files (and vim swp files) to gitignore
+  * Fix signatures of run in VIVA and checktestdata to match superclass
+  * Fix/ignore type errors to let mypy catch errors everywhere but generatedata.py
+
+  [ ElliotRipa ]
+  * Make cls templates able work with either problem format
+  * Allow problem statement to use either problem format
+  * Make template.py detect format version instead
+  * Provisional updates
+  * Add formatversion.py
+  * Minor fixes in imports
+  * Move version specific functionality to separate file
+  * Change to flag '-v' for format-version
+  * Add missing parentheses
+  * Use dictionary instead of data objects for format data
+  * Make problem2html.py use -v to specify format version
+  * Add constants for version names
+  * Rollback problemset_0.1.cls
+  * Move initialisation of FORMAT_DATA to setup
+  * Make formatversion.py use dataobjects instead of dicts
+  * Fix documentation
+  * Remove unnecessary initialisation
+
+  [ Matistjati ]
+  * Start sanitization + apply feedback
+  * Better sanitization + lots of tests
+  * problem_statement -> statement
+  * Better md -> pdf sample rendering
+  * Another escape
+  * More careful with images
+  * Make samplexss more focused
+  * Experimentally reuse normal LaTeX rendering
+  * Use problemtools problem2pdf to handle md -> pdf
+  * Cleanup
+  * librsvg out of focus for this PR
+  * Ensure nh3
+  * Remove ghostscript sanitization. If it wasn't used before, it probably isn't needed
+  * Add nh3 to deb build
+  * Linting
+  * Add back ghostscript sanitization
+  * Remove unnecessary test
+
+  [ Gunnar Kreitz ]
+  * Add make clean to clean up support and the mess left by setuptools
+  * Change debian packaging to dh_virtualenv
+  * Update readme, adjusting installation instructions so we can use pip dependencies
+  * Convert from setup.py to pyproject.toml (and use setuptools-scm for versioning)
+  * Hook sdist to make python -m build work on a clean checkout
+  * Update wrapper scripts and README
+  * Update CI workflow to match readme for build requirements (plus build-essentials)
+  * Force dh_virtualenv to use builtin venv (debugging CI crash)
+  * Restructure CI/CD to separate deb building from python unit tests
+  * Stop exposing __version__, users should use importlib.metadata.version instead
+  * Hardcode path to python, as dh_virtualenv fails to discover it in CI
+  * Clean up version parsing. Accept 2023-07-draft and 2023-07 version strings
+  * Add pydantic models for parsing problem.yaml
+  * Limit problem.yaml config to only system defaults
+  * Use new metadata parsing mechanism, and start parsing config for 2023-07.
+  * Bump python version to 3.11
+  * Move tests to outside of the package
+  * Update manifest to include tests support files in sdist, and remove some clutter
+  * Remove old hack for plasTeX argument (we require >= 3.0 now)
+  * Clean up incompletely removed plastex_escape hack. Remove unused variable
+  * Clean up unused variables, old io import, and multiple commands on lines
+  * Clean up unused import and comparison with None
+  * Ruff format
+  * Clean up imports
+  * Fix minor things flagged by ruff
+  * Remove unused variables in tests
+  * Add ruff configuration
+  * Apply ruff formatting
+  * Add ruff pre-commit hook
+  * Replace flake8 with ruff (both linting and formatting)
+  * Fix incorrect formatting of pydantic errors
+  * Move is_interactive and is_scoring to be read from problem metadata directly
+  * Let Problem read and store problem format information. Warn about incomplete 2023-07 support
+  * Fix validator discovery for 2023-07. Run through all validation for 2023-07 (even if broken)
+
+  [ Matistjati ]
+  * Add nh3 as dependency
+  * Fix test import path
+  * Apply ruff formatting
+  * More robust footnote finding
+  * Don't double-escape HTML in samples
+  * Ghostscript fixes and tests
+
+  [ Gunnar Kreitz ]
+  * Fix loading a problem with empty problem.yaml and with no statements
+  * Add utility method to load problem metadata, including names from statements when needed
+  * Use load_metadata in verifyproblem. Add temporary fallback conf to fix crashes when failing to load metadata
+  * Use load_metadata in statement_util
+  * Add apt-get update in workflow to unbreak CI
+
+  [ Matistjati ]
+  * Convert some example problems to 2023-07-draft
+  * Add uuid to guess and oddecho
+  * Better formatting and error for output_validators
+
+  [ Pehr Söderman ]
+  * Add missing build requirements to debian build
+  * Update pyproject
+
+  [ Matistjati ]
+  * Remove now-duplicated import
+
+  [ Gunnar Kreitz ]
+  * Remove (AFAICT, broken) support for ancient tex statements (0.1)
+  * Fix bug where we complained about missing show_test_data_groups for non-legacy
+  * Default language to en. Remove unused --format-version
+  * Pass Template a filename to render, and pass that through to the latex template
+  * Rename problem.md to problem.en.md in tests to follow 2023-07-draft
+  * Refactor of rendering: unify statement finding code, and use Path more
+  * Use statement_util to find statements. Add more checks. Try rendering even when there are multiple statements in a language
+  * Make mypy more picky, also checking PlasTeX usage
+  * Simplify temporary file usage in markdown -> pdf flow
+  * Fix bug where problem2html cd:s to bad directory, crashing validation of multiple problems
+
+  [ Pehr Söderman ]
+  * Update link to kattis controlled domain.
+
+  [ Gunnar Kreitz ]
+  * Replace formatversion.FormatData with a StrEnum
+  * Add some documentation in the readme regarding current state of format versions
+  * Add colorlog to get colors for warnings and errors #312
+  * Add Swedish problem names
+  * Fix the logging plasTeX destroys
+  * Remove accidental commit
+  * Fix misleading error when missing problem statemetns
+  * Improve image handling in markdown statements
+  * Change URL to one that passes filename suffix filter
+  * Restructure error counters. Fix errors happening prior to check being ignored in count.
+  * Fix --bail_on_error and --werror being ignored before check
+  * Refactor problem loading so we can do fatal errors in setup
+  * Check file and directory names per standard
+  * Make missing/compilation failure in grader/output validator fatal
+  * Restore old API for accessing parts of a problem. Simplify part setup
+  * Change type of attachments.attachments from list[str] to list[Path]
+  * Convert Problem.metadata to a property to align better with other naming
+  * Expose computed timelim
+  * Add back problemtools.run.get_tool_path to API
+  * Large restructure of how our docker images are built.
+  * Remove old Dockerfile in root, unused afaict
+  * Add marker to let mypy use our type annotations
+  * Replace authors with Kattis AB (pypi only shows one). Set required python version
+  * Add script to build packages for pypi
+  * Fix incorrect error when verifying different. Add helpful hint when directory for wrong version exists
+  * Use problemtools/githubci image in workflow. Run verifyproblem on all examples.
+  * Check for incompatible types. Warn for unimplemented types
+  * Check format of interaction samples. #277 Don't warn about empty sample when it contains interactions.
+  * Add type methods for all types. Add convenience methods on Problem for easier access
+  * Improve warning for non-standard output validator languages #258
+  * Remove generatedata (never made it into the standard)
+  * Fix pytest dropping a guess.pdf in working directory. Check PDF magic bytes
+  * Add -d flag to update_docker to allow easier testing locally
+  * Fix broken git clone command (`${TAG}` expanded to empty string)
+  * Fix silly error in docker file, causing apt-get update not to run
+  * Add -d option to allow building in a dirty rep (to facilitate development of build scripts)
+  * Workflow that builds and pushes a package to testpypi
+  * Fix version computation when we build pypi packages
+  * Fix syntax error in github workflow file
+  * Fix bug where we crashed if we attempted to load/check twice
+  * Error if problem name exits in a language without a statement
+  * Add utility function uses_default_validator for output validation. Warn/error on multiple validators
+  * Fix new mypy error in mypy 1.16
+  * Fix missing support for imgbasedir in md2html
+  * Fix typo in Dockerfile.full causing it to lack a lot of languages
+  * Remove year from license - IANAL, but AFAICT it's not needed
+  * Add warning to pypi package script pointing to the github action now that that's set up
+  * Change update_docker to default to building from master (but keep :develop tag on docker)
+  * Add convenient way to run docker. Document need to install languages.
+
+ -- Gunnar Kreitz <gkreitz@kattis.com>  Thu, 05 Jun 2025 10:59:57 +0200
+
 kattis-problemtools (1.20231016) jammy; urgency=medium
 
   [ Don-Khue Le ]