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Tolgee Server v2

Dropping support of H2 database in favor of PostgreSQL

Since v2, H2 database is not used as default database in Tolgee Server and is replaced with embedded PostgreSQL bundled in tolgee/tolgee docker image.

PostgreSQL supports a lot of features enabling us to work better with text, which is necessary for upcoming features of Tolgee like Translation memory, Glossaries, or better search. It was unnecessary overhead to implement all the features for both H2 and PostgreSQL, and it was slowing down the development a lot.

Upgrade

Before upgrading to v2, you have to export all your projects and re-import them to v2. This is not going to happen automatically.

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To read more about why we are dropping H2 support and which features of PostgreSQL we need for further development, see this blog post