Prerequisites

• I confirm my issue is not in the opened issues
• I confirm the Frequently Asked Questions didn't contain the answer to my issue

Environment check

• I'm using the latest msw version
• I'm using Node.js version 20 or higher

Node.js version

20.13.0

Reproduction repository

https://github.com/leaveswoods/msw-mem-leak

Reproduction steps

1. Clone the repo: https://github.com/leaveswoods/msw-mem-leak
2. Install Node.js 20
3. Under test project root
4. Run ./runMswMinimalTest.sh
5. Check the logs for heap usage before and after the tests.

Current behavior

The heap usage is increasing significantly after test with msw even though

• we force gc after test completed.
• we close msw server in the end.

Expected behavior

The heap usage should not increase overtime with msw enabled.