The latest released version of Daml is supported with security updates. You can find the latest version at: https://docs.daml.com/support/release-notes.html

If you suspect that your issue has a security impact, do not use the issue tracker. In that case, please follow our responsible disclosure policy: https://www.digitalasset.com/responsible-disclosure

To report an issue that does not have a security impact, open an issue on GitHub: https://github.com/digital-asset/contract-dev-code-demo/issues

For general questions about Daml and/or support requests, please ask in our forum: https://discuss.daml.com/