Hi everyone,
I’ve been experiencing an issue where the ThumbnailExtension quits unexpectedly whenever I open models in Rhino or Finder and there are .3dm models displayed in a view. It happens time after time.
Has anyone encountered this problem and could provide a solution?
Hi Nick -
Please run the Rhino SystemInfo command and copy-paste its output here.
Does the Rhino crash reporter pop up when Rhino crashes?
-wim
No since Rhino doesn’t crash itself.
I suppose it may be a problem with macOS Tahoe, but I can’t google nothing similar, so maybe someone have any ideas.
Rhino 8 SR28 2026-1-21 (Rhino 8, 8.28.26021.13002, Git hash:master @ 13ca4c596ccf597975b83e41bd87ab486f6c3f4a)
License type: Evaluation, build 2026-01-21
License details: Cloud Zoo
Expires on: 4849861-07-22
Apple macOS Version 26.2 (Build 25C56) (Physical RAM: 48GB)
Mac Model Identifier: Mac15,9
Language: en-US (MacOS default)
.NET 8.0.14
Metal GPU Family Apple 7
Metal GPU Family Common 3
Metal GPU Family Mac 2
Graphics processors
Apple M3 Max
Color LCD (1728 x 1117 @ 120.00Hz)
GPU Vendor: Apple
USB devices
Apple Inc.: iPhone
Bluetooth devices
None
Third party kernel extensions
None
Third party plugins
/usr/lib/swift/libswiftCore.dylib
/usr/lib/swift/libswiftObjectiveC.dylib
/usr/lib/swift/libswiftCoreFoundation.dylib
/usr/lib/swift/libswiftDarwin.dylib
/usr/lib/swift/libswiftDispatch.dylib
/usr/lib/swift/libswiftIOKit.dylib
/usr/lib/swift/libswiftSystem.dylib
/usr/lib/swift/libswiftXPC.dylib
/usr/lib/swift/libswift_Builtin_float.dylib
/usr/lib/swift/libswift_Concurrency.dylib
/usr/lib/swift/libswift_DarwinFoundation1.dylib
/usr/lib/swift/libswift_StringProcessing.dylib
/usr/lib/swift/libswiftos.dylib
/usr/lib/swift/libswiftDistributed.dylib
/usr/lib/swift/libswiftObservation.dylib
/usr/lib/swift/libswiftSynchronization.dylib
/usr/lib/swift/libswiftOSLog.dylib
/usr/lib/swift/libswiftsimd.dylib
/usr/lib/swift/libswift_RegexParser.dylib
/usr/lib/swift/libswiftMetal.dylib
/usr/lib/swift/libswiftQuartzCore.dylib
/usr/lib/swift/libswiftUniformTypeIdentifiers.dylib
/usr/lib/swift/libswiftAccelerate.dylib
/usr/lib/swift/libswiftCoreImage.dylib
/usr/lib/swift/libswiftCoreAudio.dylib
/usr/lib/swift/libswiftCoreMIDI.dylib
/usr/lib/swift/libswift_DarwinFoundation2.dylib
/usr/lib/swift/libswift_DarwinFoundation3.dylib
/usr/lib/swift/libswiftCompression.dylib
/usr/lib/swift/libswiftCoreLocation.dylib
/usr/lib/swift/libswiftRegexBuilder.dylib
/usr/lib/swift/libswiftCoreMedia.dylib
/usr/lib/swift/libswiftAVFoundation.dylib
/usr/lib/swift/libswiftNaturalLanguage.dylib
/usr/lib/swift/libswiftMLCompute.dylib
/usr/lib/swift/libswiftCoreGraphics.dylib
/usr/lib/swift/libswiftFoundation.dylib
/usr/lib/swift/libswiftSwiftOnoneSupport.dylib
/usr/lib/swift/libswiftsys_time.dylib
/usr/lib/swift/libswiftSpatial.dylib
/usr/lib/usd/libusd_ms.dylib
/usr/lib/swift/libswift_errno.dylib
/usr/lib/swift/libswiftIntents.dylib
/usr/lib/swift/libswiftVideoToolbox.dylib
/usr/lib/swift/libswiftCoreMediaIO.dylib
/usr/lib/swift/libswiftCallKit.dylib
/usr/lib/swift/libswiftPassKit.dylib
/usr/lib/swift/libswiftAppleArchive.dylib
/usr/lib/updaters/libAppleTconUARPUpdater.dylib
/usr/lib/updaters/libT200Updater.dylib
/usr/lib/swift/libswiftDemangle.dylib
/usr/lib/swift/libswiftGLKit.dylib
/usr/lib/swift/libswiftMetalKit.dylib
/usr/lib/swift/libswiftModelIO.dylib
/usr/lib/swift/libswiftSceneKit.dylib
/usr/lib/swift/libswiftExtensionFoundation.dylib
/usr/lib/swift/libswiftGameplayKit.dylib
/usr/lib/swift/libswiftSpriteKit.dylib
/usr/lib/swift/libswiftMapKit.dylib
Rhino plugins that do not ship with Rhino
Rhino plugins that ship with Rhino
/Applications/Rhino 8.app/Contents/Frameworks/RhMaterialEditor.framework "Renderer Development Kit" 8.28.26021.1002
/Applications/Rhino 8.app/Contents/Frameworks/RhCore.framework/Resources/ManagedPlugIns/Commands.rhp "Commands" 8.28.26021.13002
/Applications/Rhino 8.app/Contents/PlugIns/NamedSnapshots.rhp "Snapshots" 8.28.26021.1002
/Applications/Rhino 8.app/Contents/Frameworks/RhCore.framework/Resources/ManagedPlugIns/RDK_EtoUI.rhp "RDK_EtoUI" 8.28.26021.13002
/Applications/Rhino 8.app/Contents/Frameworks/RhCore.framework/Resources/ManagedPlugIns/MeshCommands.rhp "MeshCommands" 8.28.26021.13002
/Applications/Rhino 8.app/Contents/Frameworks/RhCore.framework/Resources/ManagedPlugIns/RhinoRenderCycles.rhp "Rhino Render" 8.28.26021.13002
/Applications/Rhino 8.app/Contents/Frameworks/RhCore.framework/Resources/ManagedPlugIns/RhinoCycles.rhp "RhinoCycles" 8.28.26021.13002
/Applications/Rhino 8.app/Contents/PlugIns/SectionTools.rhp "SectionTools" 8.28.26021.1002
/Applications/Rhino 8.app/Contents/PlugIns/RhinoRender.rhp "Legacy Rhino Render" 8.28.26021.1002
/Applications/Rhino 8.app/Contents/PlugIns/RhinoBonusTools.rhp "Rhino Bonus Tools" 8.28.26021.1002
/Applications/Rhino 8.app/Contents/PlugIns/Displacement.rhp "Displacement" 8.28.26021.1002
/Applications/Rhino 8.app/Contents/PlugIns/PanelingTools.rhp "PanelingTools" 8.28.26021.1002
/Applications/Rhino 8.app/Contents/PlugIns/SolidTools.rhp "SolidTools" 8.28.26021.1002
/Applications/Rhino 8.app/Contents/Frameworks/RhCore.framework/Resources/ManagedPlugIns/RhinoDLR_Python.rhp "IronPython" 8.28.26021.13002
/Applications/Rhino 8.app/Contents/Frameworks/RhCore.framework/Resources/ManagedPlugIns/GrasshopperPlugin.rhp "Grasshopper" 8.28.26021.13002
/Applications/Rhino 8.app/Contents/Frameworks/RhCore.framework/Resources/ManagedPlugIns/RhinoCodePlugin.rhp "RhinoCodePlugin" 8.28.26021.13002
Well that’s concerning. When this happens, I’d definitely like to see the content in the Show Details button.
Also, please send a screenshot of the System Settings > General > Login Items & Extensions > Extensions (at the very bottom)… where you see the Rhino-related entries…
(Though, now that I look at this…saying “Quicklook, Quicklook” is not expected). I’m curious how your’s looks.
I see you are also on the Release Candidate. (Is that intentional?) I am also curious what happens if you rollback to Rhino 8.27. Does the crash stop? (You might need to restart macOS after installing 8.27 to test this).
