P: Consumes all memory and then hangs

Your Systerm Info is indicating that there is a 6K display connected. What happens when it is disconnected?

Note - I don't believe there is any way that 8GB of memory is sufficient if your intention is to use it with a 4K display let alone 6K when GPU is enabled.

Hello, Rikk!

First: Thanks for your help. I really appreciate that!

Created an album with 1 foto, quit/force quit LrD.

Restarted LrD, 15 seconds...stall

Created an album with 0 foto, quit/force quit LrD.

Restarted LrD, 15 seconds...stall

Sytem Info:

Lightroom-Version: 5.4 arm64 [ 20220607-0605-ab0fd72 ] (Jun 7 2022)
NGL-Version: 1.29.0.5
WF-Version: 4.4 89b063a
VF-Version: 1.0.111
HIL-Version: 40405
Betriebssystem: macOS
Betriebssystemversion: macOS 12.4 (21F79)
Anwendungsarchitektur: arm64
Computermodell: MacBookAir10,1 / Apple M1
Anzahl logischer Prozessoren: 8
Prozessorgeschwindigkeit: 0,0 GHz
Integrierter Speicher: 8.192,0 MB
Für Lightroom verfügbarer phys. Speicher: 8.192,0 MB
Von Lightroom verwendeter phys. Speicher: 1.383,7 MB (16,8%)
Von Lightroom verwendeter virtueller Speicher: 2.070.851,6 MB
Cache-Speichergröße: 46,3 MB
Interne Camera Raw-Version: 14.4 [ 1121 ]
Maximale Anzahl Threads, die Camera Raw verwendet: 5
Camera Raw SIMD-Optimierung: SSE2
Virtueller Speicher in Camera Raw: 0MB / 4095MB (0%)
Physischer Speicher in Camera Raw: 0MB / 8192MB (0%)
Monitore/Anzeigegeräte: 1) 6016x3384
Informationen zum Grafikprozessor: Metal: Apple M1
Grafikprozessordaten: geladen: Ja, unterstützt: Ja, Computing: Ja, Init.: I4_GPU3, Hardware: success, Software: success, al: Ja, dl: Nein
Medienfähigkeit des Betriebssystems: true
Anwendungsordner: /Applications/Adobe Lightroom CC
Einstellungen-Ordner: /Users/wolfgang/Library/Application Support/Adobe/Lightroom CC
Bibliotheksordner: /Users/wolfgang/Pictures/Lightroom Library.lrlibrary

Thanks for the file. Engineering has reviewed and has a few more questions:

1. open an album with no photos or maybe just 1.
2. close LrD
3. launch LrD

I've direct messaged you.

2022-06-15 13:37:58.652 Adobe Lightroom[20122:452110] Lightroom version: 5.4 [ 20220607-0605-ab0fd72 ] (Jun 7 2022)
objc[20122]: Class VFExporterMessageDelegate is implemented in both /Applications/Adobe Lightroom CC/Adobe Lightroom.app/Contents/Frameworks/CameraRaw.lrtoolkit/Versions/A/CameraRaw (0x1372b84d0) and /Applications/Adobe Lightroom CC/Adobe Lightroom.app/Contents/Frameworks/video_toolkit.agtoolkit/Contents/MacOS/video_toolkit (0x10d564940). One of the two will be used. Which one is undefined.
objc[20122]: Class VFTools is implemented in both /Applications/Adobe Lightroom CC/Adobe Lightroom.app/Contents/Frameworks/CameraRaw.lrtoolkit/Versions/A/CameraRaw (0x1372b8520) and /Applications/Adobe Lightroom CC/Adobe Lightroom.app/Contents/Frameworks/video_toolkit.agtoolkit/Contents/MacOS/video_toolkit (0x10d5649e0). One of the two will be used. Which one is undefined.
objc[20122]: Class VFExporter is implemented in both /Applications/Adobe Lightroom CC/Adobe Lightroom.app/Contents/Frameworks/CameraRaw.lrtoolkit/Versions/A/CameraRaw (0x1372b8570) and /Applications/Adobe Lightroom CC/Adobe Lightroom.app/Contents/Frameworks/video_toolkit.agtoolkit/Contents/MacOS/video_toolkit (0x10d564a30). One of the two will be used. Which one is undefined.

Found it, roughly 4k big.

Can you clarify if this is a Crash or an Application Hang? I saw in your other thread you mentioned a 'beach ball' which is indicative of an Application Hang - not a crash.