Crashes related to `ReplaySubscription`

[defagos]

Is there an existing issue for this?

• [X] I have searched existing issues and found no similar bug report.

Description of the problem

Checking SRF News crash reports with Xcode we found a few issues related to Pillarbox. These should be further investigated.

This issue seems related to ReplaySubscription.

Crash logs are attached to this issue. Another series of logs is likely related.

Relevant stack trace or log output

No response

Reproducibility

Difficult

Steps to reproduce

None yet

Library version

2.0.0

Operating system

See crash logs

Code sample

No response