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+## Overview
+
+This document explains the release strategy for `openesarch-spark` repository.
+
+## Branching
+
+This repository takes similar branching strategy as other OpenSearch projects ([ref](https://github.com/opensearch-project/.github/blob/main/RELEASING.md#branching)), but does not track OpenSearch version (e.g. 1.x, 2.x, 3.x, etc.)
+
+* **main**: The _next major_ release, currently 1.0. This is the branch where all merges take place, and code moves fast.
+* * **0.x**: The _next minor_ release. Once a change is merged into `main`, decide whether to backport it to `0.x`.
+* * **0.6**: The _last minor_ release and the _next patch_ release. Once a change is merged into `0.x`, it may be backported to.
+
+### Feature Branches
+
+Do not create branches in the upstream repo, use your fork, for the exception of long lasting feature branches that require active collaboration from multiple developers. Name feature branches `feature/<thing>`. Once the work is merged to `main`, please make sure to delete the feature branch.
+
+### Backporting
+
+Backwards-incompatible changes always result in a new major version and will __never__ be backported. Small improvements and features will be backported to a new minor version (e.g. `0.6`). High severity security or critical bug fixes will be backported to a new patch version (e.g. `0.6.1`). This repo use a backport workflow where you can label a PR, e.g. `backport 0.x`, and the workflow will attempt an automatic backport and open a new PR. If the backport fails, it is the contributor's responsibility to do a manual backport following the instructions in the failed backport error message.
+
+## Versioning
+
+A user-facing breaking change can only be made in a major release. Any regression that breaks SemVer is considered a high severity bug.
+