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We test the upgrade path thoroughly before each release but even so, you should always make a backup first!

Some releases require extra steps. Please read the release notes before you begin.

git pull origin main
source venv/bin/activate
pip install --upgrade pip
pip install -r ./requirements.txt
flask db upgrade


You will need to find the release you want to downgrade to.

Let's say you want to downgrade from LiberaForms v3 to v2

git fetch origin tag v2.1.2 --no-tags
git checkout v2.1.2 -b v2.1.2

Check the version

cat VERSION.txt

docs/ now refers to the version you have checked out.


Delete venv and create it from scratch.

rm -fr venv
python3 -m venv ./venv
source venv/bin/activate
pip install --upgrade pip
pip install -r ./requirements.txt


Restore the database from the backup you made that corresponds with the version.

sudo su
su postgres
cat <sql_dump_file> | psql -U postgres <db_name>

Config files

Edit your .env file to match the expected values described in dotenv.example

Read docs/

Check your nginx, supervisor, and gunicorn configurations to match.