Bartek Wasielak upgraded the Azure Service Bus transport integration to version 6.1.0 across the Particular/NServiceBus.AzureFunctions.Worker.ServiceBus and Particular/NServiceBus.MessagingBridge repositories. He coordinated a cross-repository dependency update using C# and NuGet package management, focusing on backend development with NServiceBus and Azure Functions. Bartek validated compatibility and ensured that the new version’s bug fixes, performance improvements, and features were fully leveraged while maintaining system stability. His work delivered business value by improving messaging reliability and performance with minimal risk. The depth of his approach is reflected in careful validation and risk mitigation throughout the upgrade process across both projects.