Development-Process.md

@@ -31,4 +31,19 @@ Any code changes should pass the following stages to be merged into the main bra
 4. Automatic review app deployment
 5. Manual testing and code review
 
-After all tests and code reviews are passed, the branch will be merged into the stable one (11.0).
+After all tests and code reviews are passed, the branch will be merged into the stable one (11.0).
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+
+### Forward ports
+
+This section describes how to forward-port chages from one serie to another (for example from 12.0 to 13.0)
+
+1. Switch to 13.0 version and pull latest changes
+2. Create new branch: 13.0-forwardport
+3. Merge latet changes from 12.0 version: ``git merge --no-ff --edit --no-commit origin/12.0``
+4. Update versions of changed modules - ensure all modules have version 13.0.*
+5. If there are migration in changes, adapt them to 13.0 version (usualy it is enought to change folder name to start from 13.0
+6. Resolve conflicts.
+7. Run tests for 13.0 version and ensure that all tests pases
+8. If tests failed and fixin requires big changes, then commit and do fixes in separate commit(s)
+9. If everything is Ok - commit
+10. push changes
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