develop
Adding multiple framework support for net461, netstandard2.0, netstandard2.1, and net6.0 where appropriate
Add .NET 8 TFM (#4791)
Integration of all external packages into MassTransit, split out into Abstractions, Middleware, and the core MassTransit assembly.
Huge push towards optimization on startup, state machines, type discovery, caching, and the consume pipeline. Rebuilt the dispatch filter as a consume context filter for message type dispatch.