> For the complete documentation index, see [llms.txt](https://docs.coherence.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coherence.io/1.2.4/support.md).

# Support

- [Release notes](https://docs.coherence.io/1.2.4/support/release-notes.md)
- [Glossary](https://docs.coherence.io/1.2.4/support/glossary.md): A list of important terms and concepts used in coherence
- [Unreal Engine support](https://docs.coherence.io/1.2.4/support/unreal-engine-support.md)
- [WebGL support](https://docs.coherence.io/1.2.4/support/webgl.md)
- [ECS / DOTS support](https://docs.coherence.io/1.2.4/support/ecs-dots-support.md)
- [Known issues and troubleshooting](https://docs.coherence.io/1.2.4/support/known-issues-and-troubleshooting.md)
- [Upgrade guide](https://docs.coherence.io/1.2.4/support/upgrading-unity-sdk.md): Tips and best practices to upgrade the SDK while avoiding risk of data loss
- [Upgrade 1.1 -> 1.2](https://docs.coherence.io/1.2.4/support/upgrading-unity-sdk/upgrade-1.1-greater-than-1.2.md)
- [Upgrade 1.0 -> 1.1](https://docs.coherence.io/1.2.4/support/upgrading-unity-sdk/upgrade-1.0-greater-than-1.1.md)
- [Upgrade 0.10 -> 1.0](https://docs.coherence.io/1.2.4/support/upgrading-unity-sdk/upgrading-to-coherence-unity-sdk-1.0.0.md)
- [Upgrade 0.9 -> 0.10](https://docs.coherence.io/1.2.4/support/upgrading-unity-sdk/upgrading-to-coherence-unity-sdk-0.9.0.md)
- [Credit cost & pricing](https://docs.coherence.io/1.2.4/support/credit-cost-and-pricing.md): Find out what it would cost to run your multiplayer game using coherence.