Upgrade to AS 4.10 if you require OPC UA Pub/Sub, advanced simulation, or need to meet 21 CFR Part 11 audit trails. Existing AS 4.6+ users will benefit from the migration wizard and performance optimizations without a steep learning curve. For detailed release notes, refer to B&R online help → "What's New in Automation Studio 4.10" or contact your local B&R office.