--- title: "Library Release - r80" slug: "library-release-r80" updated: 2024-11-18T09:17:05Z published: 2024-11-18T09:17:05Z canonical: "support.tulip.co/library-release-r80" --- > ## Documentation Index > Fetch the complete documentation index at: https://support.tulip.co/llms.txt > Use this file to discover all available pages before exploring further. # Library Release - r80 New Content | Apps | | --- | | ![](https://tulip.widen.net/content/wp2faxkpfi) | **ZeroKey Unit Test** Learn how to use ZeroKey's Custom Widget to integrate with ZeroKey functionality [Learn more](https://tulip.co/library/apps/zerokey-unit-test) | Updated Content | Apps | | --- | | ![](https://tulip.widen.net/content/gs9fkkaurd) | **Light Kit Unit Test** See your Tulip Light Kit in action [Learn more](https://tulip.co/library/apps/light-kit-unit-test) | | ![](https://tulip.widen.net/content/na0y6mr1io) | **App Design Best Practices** Ensure your apps follow UI best practices [Learn more](https://tulip.co/library/apps/app-design-best-practices) |