_2022-01-25_

- Only warn for conflicting names in namespace reexports if it actually causes problems (#4363)

- Only allow explicit exports or reexports as synthetic namespaces and hide them from namespace reexports (#4364)

- [#4362](https://github.com/rollup/rollup/pull/4362): refactor: convert exportsByName object to map (@lukastaegert)

- [#4363](https://github.com/rollup/rollup/pull/4363): Do not warn unnecessarily for namespace conflicts (@lukastaegert)

- [#4364](https://github.com/rollup/rollup/pull/4364): Do not expose synthetic namespace export in entries and namespaces (@lukastaegert)