[Xiaomi Mi Mix 2 ROMs, Kernels, Recoveries, & Other] Kartoffl:
You were right, autobrightness is somehow working! The slider doesn't change when the autobrightness changes though. The autobrightness feature just doesn't feel working correctly.

It would be great if you can look into the accent color crash issue. Heres another log if it can help! Also my System Info

03-11 13:00:24.555 E/SurfaceFlinger(733): Failed to find layer (AtchDlg:com.nolanlawson.logcat/com.nolanlawson.logcat.LogcatActivity#0) in layer parent (no-parent).
03-11 13:00:31.942 E/ActivityManager(2929): applyOptionsLocked: Unknown animationType=0
03-11 13:00:32.006 E/BatteryExternalStatsWorker(2929): no controller energy info supplied for bluetooth
03-11 13:00:32.022 E/QCOM PowerHAL(710): extract_stats: failed to open: /d/wlan0/power_stats Error = Operation not permitted
03-11 13:00:47.781 E/SurfaceFlinger(733): Failed to find layer (com.android.settings/com.android.settings.SubSettings#0) in layer parent (no-parent).
03-11 13:00:49.306 E/AndroidRuntime(16012): FATAL EXCEPTION: main
03-11 13:00:49.306 E/AndroidRuntime(16012): Process: org.lineageos.lineageparts, PID: 16012
03-11 13:00:49.306 E/AndroidRuntime(16012): java.lang.NullPointerException: Attempt to invoke interface method 'boolean android.content.om.IOverlayManager.setEnabled(java.lang.String, boolean, int)' on a null object reference
03-11 13:00:49.306 E/AndroidRuntime(16012):	at android.os.Parcel.readException(Parcel.java:2010)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at android.os.Parcel.readException(Parcel.java:1950)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at lineageos.style.IStyleInterface$Stub$Proxy.setAccent(IStyleInterface.java:155)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at lineageos.style.StyleInterface.setAccent(StyleInterface.java:167)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at org.lineageos.lineageparts.style.StylePreferences.onAccentSelected(StylePreferences.java:159)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at org.lineageos.lineageparts.style.StylePreferences.lambda$-org_lineageos_lineageparts_style_StylePreferences_4880(StylePreferences.java:132)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at org.lineageos.lineageparts.style.-$Lambda$lxyhs0tIpn-38teX3F3AjZP7qNg$1.$m$0(Unknown Source:4)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at org.lineageos.lineageparts.style.-$Lambda$lxyhs0tIpn-38teX3F3AjZP7qNg$1.onClick(Unknown Source:11)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at com.android.internal.app.AlertController$AlertParams$3.onItemClick(AlertController.java:1142)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at android.widget.AdapterView.performItemClick(AdapterView.java:318)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at android.widget.AbsListView.performItemClick(AbsListView.java:1196)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at android.widget.AbsListView$PerformClick.run(AbsListView.java:3284)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at android.widget.AbsListView$4.run(AbsListView.java:4207)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at android.os.Handler.handleCallback(Handler.java:790)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at android.os.Handler.dispatchMessage(Handler.java:99)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at android.os.Looper.loop(Looper.java:164)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at android.app.ActivityThread.main(ActivityThread.java:6494)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at java.lang.reflect.Method.invoke(Native Method)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:440)
03-11 13:00:49.306 E/AndroidRuntime(16012):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
03-11 13:00:50.806 E/SurfaceFlinger(733): Failed to find layer (org.lineageos.lineageparts/org.lineageos.lineageparts.style.StylePreferences#1) in layer parent (no-parent).
03-11 13:00:50.848 E/BufferItemConsumer(3459): [unnamed-3459-16] Failed to release buffer: Unknown error -1 (1)
03-11 13:00:50.880 E/BufferItemConsumer(3459): [unnamed-3459-17] Failed to release buffer: Unknown error -1 (1)
03-11 13:00:50.998 E/BufferItemConsumer(3459): [unnamed-3459-18] Failed to release buffer: Unknown error -1 (1)
03-11 13:00:51.064 E/BufferItemConsumer(3459): [unnamed-3459-19] Failed to release buffer: Unknown error -1 (1)
03-11 13:01:02.138 E/SurfaceFlinger(733): Failed to find layer (AtchDlg:com.nolanlawson.logcat/com.nolanlawson.logcat.LogcatActivity#0) in layer parent (no-parent).