The integrated OLED script works perfectly on my end with release 9.0.3. No issues whatsoever.
View attachment 377715
20240627 185139 worker: --
20240627 185139 worker: -- Special configs
20240627 185139 worker: --
20240627 185139 worker: Plexamp: not installed
20240627 185139 worker: RoonBridge: not installed
20240627 185139 worker: Allo Piano 2.1: not detected
20240627 185139 worker: Allo Boss 2: OLED started, OLED script ok
20240627 185139 worker: IQaudIO AMP*: not detected
20240627 185139 worker: --
20240627 185139 worker: -- Audio configuration
20240627 185139 worker: --
20240627 185139 worker: Audio device: 1:Allo Boss 2 DAC
20240627 185139 worker: ALSA card: has not been reassigned
20240627 185139 worker: MPD config: update not needed
20240627 185140 worker: ALSA output: I2S
20240627 185140 worker: ALSA mode: Default (plughw)
20240627 185140 worker: ALSA mixer Master
20240627 185140 worker: ALSA volume: 68% (-41.00dB)
20240627 185140 worker: ALSA maxvol: 100%
20240627 185140 worker: ALSA loopback: off
20240627 185140 worker: MPD mixer Hardware
20240627 185140 worker: Audio formats: S16_LE, S24_LE, S32_LE
20240627 185140 worker: CamillaDSP: off
20240627 185140 worker: CDSP volume: 0dB
20240627 185140 worker: CDSP volrange: 60dB