JouleStijn

Thank you for your response, After further investigation, I found that the issue was indeed related to a compiler option, as you suggested. Specifically, enabling RTTI in the SDK config...

Strange, indeed. When RTTI is enabled, the `_ZTI21NimBLEServerCallbacks` symbol appears in the compiled library, resolving the issue. However, I can't pinpoint why RTTI seems necessary in my specific setup. The...

Currently I am on commit 70c6e89. But with the latest master commit (a55489f) I face the same issues.

The callbacks themselves build fine, until I add the following line: ```cpp pServer->setCallbacks(new ServerCallbacks()); ``` So no callbacks, no `setCallbacks`, no issue. The example works fine without custom callbacks at...

Yes I face the same issues with the client example. Additionally I want to clarify that I was wrong earlier. Declaring a class that inherits from `NimBLEServerCallbacks` or `NimBLEClientCallbacks` for...

While this looks promising, the issue still remains for me unfortunately. Are you using IDF as Lib? Where did you specify the target link libraries and for what target? If...