[OnePlus 11] neelchauhan:
About the fingerprint sensor, I have a logcat here: https://neelc.org/files/oneplus11_fp_sensor_logcat.txt (self hosted on my website).

These lines seem interesting:

01-04 15:09:01.646 0 0 E [T300001] init: Control message: Could not find 'vendor.oplus.hardware.biometrics.fingerprint@2.1::IBiometricsFingerprint/default' for ctl.interface_start from pid: 750 (/system/bin/hwservicemanager)
01-04 15:09:01.647 0 0 E [T300001] init: Control message: Could not find 'vendor.oplus.hardware.biometrics.fingerprint@2.1::IBiometricsFingerprint/default' for ctl.interface_start from pid: 750 (/system/bin/hwservicemanager)
...
07-25 16:47:27.509 2183 2619 D [FP_HAL][BiometricsFingerprintAdaptS]: fingerprint template is null
07-25 16:47:27.509 2183 2619 E [FP_HAL][AutoSmoking]: setCurrentFingerlist
07-25 16:47:27.510 2444 2444 D Biometrics/InternalCleanupClient: onEnumerated, remaining: 0
07-25 16:47:27.510 2444 2444 V Biometrics/InternalEnumerateClient: handleEnumeratedTemplate: 0
07-25 16:47:27.510 2444 2444 V Biometrics/InternalEnumerateClient: Matched: false
07-25 16:47:27.510 2444 2444 D Biometrics/InternalCleanupClient: Enumerate onClientFinished: {[10] com.android.server.biometrics.sensors.fingerprint.hidl.FingerprintInternalEnumerateClient, proto=6, owner=android, cookie=0, requestId=-1, userId=0}, success: true
07-25 16:47:27.510 2444 2444 D BiometricSchedulerOperation: [Finished / destroy]: {[9] com.android.server.biometrics.sensors.fingerprint.hidl.FingerprintInternalCleanupClient, proto=7, owner=android, cookie=0, requestId=-1, userId=0}
07-25 16:47:27.512 2444 3176 D CoreBackPreview: Window{3edffdc u0 com.android.settings/com.android.settings.biometrics.fingerprint.FingerprintEnrollIntroductionInternal}: Setting back callback null
07-25 16:47:27.512 2444 2444 D BiometricScheduler/Fingerprint21: [Finishing] {[9] com.android.server.biometrics.sensors.fingerprint.hidl.FingerprintInternalCleanupClient, proto=7, owner=android, cookie=0, requestId=-1, userId=0}, success: true
07-25 16:47:27.512 2444 2444 D BiometricScheduler/Fingerprint21: No operations, returning to idle
07-25 16:47:27.512 2444 4761 W InputManager-JNI: Input channel object '3edffdc com.android.settings/com.android.settings.biometrics.fingerprint.FingerprintEnrollIntroductionInternal (client)' was disposed without first being removed with the input manager!
07-25 16:47:27.515 2444 3176 D CoreBackPreview: Window{ed9e427 u0 com.android.settings/com.android.settings.biometrics.fingerprint.FingerprintEnrollFindSensor}: Setting back callback null
07-25 16:47:27.515 2444 3176 W InputManager-JNI: Input channel object 'ed9e427 com.android.settings/com.android.settings.biometrics.fingerprint.FingerprintEnrollFindSensor (client)' was disposed without first being removed with the input manager!
...
07-25 16:47:27.975 2444 4761 W ActivityTaskManager: Duplicate finish request for r=ActivityRecord{6926046 u0 com.android.settings/.biometrics.fingerprint.FingerprintEnrollEnrolling} t161 f}}
07-25 16:47:27.978 2444 3176 D CoreBackPreview: Window{d63a15d u0 com.android.settings/com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling}: Setting back callback null
07-25 16:47:27.978 2444 4761 W InputManager-JNI: Input channel object 'd63a15d com.android.settings/com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling (client)' was disposed without first being removed with the input manager!

This happens on CPH2451 (US) cross-flashed to EU.