Dark background annotation when using apple pencil

Product:
When I use the apple pencil again, the annotation will appear a dark background on annotation.

this example using the combo tool.

Product Version:

9.2.0.79330 IOS

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Hi there,
Are you able to provide any more information about the issue? Are there any specific steps to reproduce the issue?
If you are able to provide sample code or a sample project that demonstrates the issue that would help greatly in the investigation.

There is also a newer version of the SDK available, 9.2.1, that contains a number of fixes and improvements. Could you try updating to the latest version and let us know how it works? Thank you.