# Changelog: 14.04.2025 [Beta 1.5.3]
> **⚠️ Note:** Review the changes from version [1.5.0](https://modrinth.com/plugin/backpack-plus/version/1.5.0-beta) before you upgrade.
> If something doesn't work as it should report the error on [discord](https://discord.com/invite/Ty7JUbz8Cv)
> **⚠️ Warning:** Before proceeding with this update:
> 1. Backup the `BackpackPlus` folder to avoid losing custom configurations or data.
> 2. If you are using a MySQL database, ensure it is backed up to prevent any potential data loss.
## Key Changes
- **Added:**
- Added support for PostgreSQL database
- Added if a player leaves the server the backpacks they last used will be deleted from the server memory (**not the database**)
- **Other:**
- Improved code readability not yet for entire project
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### Upgrade Steps
1. Backup the necessary files and database as described above.
2. Replace the existing plugin files with the new version.
3. Update `config.yml` according to the latest format (refer to the provided [config template](https://www.dropbox.com/scl/fi/3kppnra5vjercjfv5x7qv/config.yml?rlkey=bhr802coitt51026ne5bqjung&st=3io4nbpc&dl=0)).
4. Restart the server and verify that everything is functioning correctly.
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Developer information
Projects on Modrinth are automatically available through a Maven repository for use with JVM build tools such as Gradle.
maven { name = "Modrinth"; url = "https://api.modrinth.com/maven" }