= Contributing to Spring Session Spring Session is released under the Apache 2.0 license. If you would like to contribute something, or simply want to hack on the code this document should help you get started. == Code of Conduct Please see our https://github.com/spring-projects/.github/blob/main/CODE_OF_CONDUCT.md[code of conduct]. == Reporting Security Vulnerabilities Please see our https://github.com/spring-projects/spring-session/security/policy[Security policy]. == Using GitHub issues We use GitHub issues to track bugs and enhancements. If you have a general usage question please ask on https://stackoverflow.com[Stack Overflow]. The Spring Session team and the broader community monitor the https://stackoverflow.com/tags/spring-session[`spring-session`] tag. If you are reporting a bug, please help to speed up problem diagnosis by providing as much information as possible. Ideally, that would include a small sample project that reproduces the problem. == Create your branch from the oldest maintenance branch Create your topic branch to be submitted as a pull request from the oldest impacted and supported maintenance branch. You can find the supported versions by looking at the https://github.com/spring-projects/spring-session/milestones[milestones page]. Switch to a branch named `..x` from the smallest milestone in the format of `..(-)`. The spring team will ensure the code gets merged forward into additional branches. == Add Signed-off-by Trailer All commits must include a __Signed-off-by__ trailer at the end of each commit message to indicate that the contributor agrees to the Developer Certificate of Origin. For additional details, please refer to the blog post https://spring.io/blog/2025/01/06/hello-dco-goodbye-cla-simplifying-contributions-to-spring[Hello DCO, Goodbye CLA: Simplifying Contributions to Spring].