- import/include - Cache task_vars to speed up IncludedFile.process_include_results (https://github.com/ansible/ansible/pull/39026)
bugfixes:
- import/include - Update TaskInclude _raw_params with the expanded/templated path to file allowing nested includes using host vars in file (https://github.com/ansible/ansible/pull/39365)
- dynamic includes - Don't treat undefined vars for conditional includes as truthy (https://github.com/ansible/ansible/pull/39377)
- import/include - Ensure role handlers have the proper parent, allowing for correct attribute inheritance (https://github.com/ansible/ansible/pull/39426)
- include_role/import_role - Use the computed role name for include_role/import_role so to diffentiate between names computed from host vars (https://github.com/ansible/ansible/pull/39516)
- import_playbook - Pass vars applied to import_playbook into parsing of the playbook as they may be needed to parse the imported plays (https://github.com/ansible/ansible/pull/39521)
- include_role/import_role - Don't overwrite included role handlers with play handlers on parse (https://github.com/ansible/ansible/pull/39563)
- dynamic includes - Improved performance by fixing re-parenting on copy (https://github.com/ansible/ansible/pull/38747)
- dynamic includes - Fix IncludedFile comparison for free strategy (https://github.com/ansible/ansible/pull/37083)
- dynamic includes - Allow inheriting attributes from static parents (https://github.com/ansible/ansible/pull/38827)
- include_role/import_role - improved performance and recursion depth (https://github.com/ansible/ansible/pull/36470)
