Migration Guide : 4. Upgrading from OpenROAD 4.0 or 4.1 : Summary of the OpenROAD 4.1 to 5.1 Upgrade Process
 
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Summary of the OpenROAD 4.1 to 5.1 Upgrade Process
The upgrade process consists of the following basic phases:
Phase 1: Prepare for the upgrade.
Phase 2: Convert the applications, including resolving known issues.
Phase 3: Conduct acceptance testing.
Phase 4: Go live.
Each phase is detailed in the following sections.