v18.1.0
Basic Fizz Architecture (#20970)
Split writeChunk into void and return value (#23343)
Remove object-assign polyfill (#23351)
[Fizz] Implement Component Stacks in DEV for warnings (#21610)
[RFC] Codemod invariant -> throw new Error (#22435)
[DevTools][Transition Tracing] onTransitionComplete and onTransitionStart implmentation (#23313)
[ServerContext] Flight support for ServerContext (#23244)
Land enableLazyElements flag (#24407)
fix typos (#22715)
[Flight] add support for Lazy components in Flight server (#24068)
Dedupe module id generation (#20172)
[Fizz] write chunks to a buffer with no re-use (#24034)
[Fizz] Pipeable Stream Perf (#24291)