Environment

SaaS (https://sentry.io/)

Steps to Reproduce

This is started appearing in our Sentry after upgrading @sentry/react and @sentry/core to 9.29.0.
Not sure how to reproduce it as per thousands of customers, we have only couple of errors.

Expected Result

No this._sessionEntries.at is not a function error.

Actual Result

this._sessionEntries.at is not a function error

Product Area

Issues

Link

No response

DSN

https://3f83f886d3234f478f80a0c44064514c@o438049.ingest.sentry.io/5401292

Version

No response