## 4.53.3 _2025-11-19_ ### Bug Fixes - Fix an error where too many modules where flagged for having an unused external import (#6182) - Fix an error where an assignment was wrongly tree-shaken when mutating it (#6183) ### Pull Requests - [#6171](https://github.com/rollup/rollup/pull/6171): Add test-install CI job to test packaging, installation and importing of rollup package (@antoninkriz, @lukastaegert) - [#6174](https://github.com/rollup/rollup/pull/6174): Re-enable TypeScript test (@lukastaegert) - [#6180](https://github.com/rollup/rollup/pull/6180): fix(deps): lock file maintenance minor/patch updates (@renovate[bot], @lukastaegert) - [#6182](https://github.com/rollup/rollup/pull/6182): Tracing the importers chain for exported variables in external module (@TrickyPi, @lukastaegert) - [#6183](https://github.com/rollup/rollup/pull/6183): Check if left side is included when checking if assigning to an assignment has side effects (@lukastaegert)