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pankajastro
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Jan 6, 2026
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pankajkoti
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Jan 6, 2026
pankajkoti
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Jan 6, 2026
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Pull request overview
This PR introduces a comprehensive compatibility policy document that addresses issue #2200 by establishing clear guidelines for version support and removal in Astronomer Cosmos. The policy provides transparency for users planning upgrades and clear criteria for contributors proposing version changes.
- Adds a new compatibility policy document covering Python, Apache Airflow, and dbt Core version support
- Defines objective criteria for when version support will be removed (based on EOL dates and dependency support)
- Provides guidance for both users (upgrade planning, compatibility checking) and contributors (version changes, test matrix updates)
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.
| File | Description |
|---|---|
| docs/index.rst | Adds the new compatibility policy document to the documentation table of contents |
| docs/compatibility-policy.rst | Introduces comprehensive compatibility policy documentation with current supported versions, removal criteria, and user/contributor guidance |
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
pankajkoti
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Jan 7, 2026
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LGTM. Would be nice to merge this when the rest of the team concurs too on this PR!
tatiana
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Jan 7, 2026
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tatiana
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Looks great, @pankajastro , thank you very much!
Some of the information here is redundant with what we set in pyproject.yml (Python versions supported), but time will tell us the cost of maintaining the redundancy. It's a great starting point.
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Jan 30, 2026
Features * Support cross-referencing models across dbt projects using dbt-loom by @pankajkoti in #2271 * Support use of YAML selectors when using ``LoadMode.DBT_MANIFEST`` by @YourRoyalLinus in #2261 * Introduce ``ExecutionMode.WATCHER_KUBERNETES`` to use the watcher with ``KubernetesPodOperator`` by @tatiana in #2207 * Add support for StarRocks profile mapping by @kurkim0661 in #2256 * Allow pushing URIs as XComs for Cosmos tasks by @corsettigyg in #2275 * Support defining custom callbacks alongside the ``WATCHER_KUBERNETES`` callback by @johnhoran in #2307 Enhancements * Refactor: remove duplicate ``_construct_dest_file_path`` by @jx2lee in #2077 * Leverage Airflow ``::group::`` to group logs associated with DAG parsing by @tatiana in #2235 * Refactor ``DbtConsumerWatcherSensor`` for reusability by @tatiana in #2245 * Restore plain text output when using ``ExecutionMode.WATCHER`` by @tiovader in #2241 Bug Fixes * Fix running empty models or ephemeral nodes in ``ExecutionMode.WATCHER`` by @tatiana in #2279 * Improve watcher producer task priority in scheduling and the UI by @tatiana in #2237 * Fix typos and formatting issues in documentation by @pankajkoti in #2259 * Allow watcher producer retries without erroring by @tatiana in #2283 * Fix ``TestBehavior.AFTER_ALL`` is missing project_name information when loading project using manifest file by @tuantran0910 in #2242 * Fix duplicate log lines in watcher subprocess execution and format timestamps by @pankajkoti in #2301 Docs * Add Watcher Kubernetes documentation by @tatiana in #2303 * Document newly added telemetry metrics in the privacy notice by @pankajkoti in #2249 * Add compatibility policy document by @pankajastro in #2251 * Improve watcher documentation related to dbt threads by @tatiana in #2273 * Fix link in watcher execution mode documentation by @jedcunningham in #2277 * Update Apache Airflow minimum compatibility policy by @tatiana in #2285 * Clarify Cosmos runtime support until "End of Basic Support" by @jedcunningham in #2286 * Update watcher docs by @tatiana in #2298 * Update watcher kubernetes documentation by @tatiana in #2306 Others * Add Airflow 3 DAG versioning tests for Cosmos by @michal-mrazek in #2177 * Add dbt Core 1.11 to the test matrix by @tatiana in #2230 * Add integration tests using InvocationMode.SUBPROCESS and validate output by @tatiana in #2287 * Fix main branch failing tests by @tatiana in #2296 * Update pre-commit hooks to the latest versions by @jedcunningham in #2289 * Pre-commit autoupdates by @pre-commit in #2222, #2264, #2274 and #2290 * Dependabot updates by @dependabot in #2218, #2219, #2220, #2280 and #2284 * Add Scarf metrics to understand Cosmos feature usage patterns - Add telemetry tracking for dbt docs plugin usage by @pankajkoti in #2240 - Add DAG run telemetry metrics for load mode, invocation, and render_config parameters by @pankajkoti in #2223 - Collect profile metrics for DAG runs by @pankajastro in #2228 - Compress telemetry metadata to reduce serialized DAG size by @pankajkoti in #2252 - Skip storing telemetry metadata when emission is disabled by @pankajkoti in #2278 - Hide telemetry metadata parameters from the Airflow trigger UI by @pankajkoti in #2247 closes: astronomer/oss-integrations-private#317 --------- Co-authored-by: Tatiana Al-Chueyr <tatiana.alchueyr@gmail.com>
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closes: #2200
This PR introduces a comprehensive compatibility policy document that addresses issue #2200 by establishing clear guidelines for version support and removal in Astronomer Cosmos. The policy provides transparency for users planning upgrades and clear criteria for contributors proposing version changes.
preview: https://deploy-preview-2251--astronomer-cosmos.netlify.app/compatibility-policy/