Hi,
yes, the version 5.0.0-6 is not up-to-date for python3-numpy.
During click to Preview in Cura, never-ending slider slides and the following
error appears in the terminal:
ValueError: The binary mode of fromstring is removed, use frombuffer instead
with a context:
2026-02-20 21:31:49,148 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load
[61]: Loading
[/usr/lib/cura/plugins/SimulationView/simulationview_composite.shader]...
2026-02-20 21:31:49,195 - DEBUG - [JobQueueWorker [3]]
CuraEngineBackend.ProcessSlicedLayersJob.run [74]: Processing new layer for
build plate 0...
2026-02-20 21:31:49,280 - ERROR - [JobQueueWorker [3]] UM.JobQueue.run [135]:
Exception: Job <CuraEngineBackend.ProcessSlicedLayersJob.ProcessSlicedLayersJob
object at 0x7f779f15fa10> caused an exception on worker JobQueueWorker [3]
2026-02-20 21:31:49,281 - ERROR - [JobQueueWorker [3]] UM.JobQueue.run [135]:
Traceback (most recent call last):
2026-02-20 21:31:49,281 - ERROR - [JobQueueWorker [3]] UM.JobQueue.run [135]:
File "/usr/lib/python3/dist-packages/UM/JobQueue.py", line 133, in run
2026-02-20 21:31:49,282 - ERROR - [JobQueueWorker [3]] UM.JobQueue.run [135]:
job.run()
2026-02-20 21:31:49,282 - ERROR - [JobQueueWorker [3]] UM.JobQueue.run [135]:
~~~~~~~^^
2026-02-20 21:31:49,282 - ERROR - [JobQueueWorker [3]] UM.JobQueue.run [135]:
File "/usr/lib/cura/plugins/CuraEngineBackend/ProcessSlicedLayersJob.py",
line 143, in run
2026-02-20 21:31:49,283 - ERROR - [JobQueueWorker [3]] UM.JobQueue.run [135]:
line_types = numpy.fromstring(polygon.line_type, dtype = "u1") # Convert
bytearray to numpy array
2026-02-20 21:31:49,283 - ERROR - [JobQueueWorker [3]] UM.JobQueue.run [135]:
ValueError: The binary mode of fromstring is removed, use frombuffer instead
beginResetModel called on OutputDevicesModel(0x2c490720) without calling
endResetModel first
endResetModel called on OutputDevicesModel(0x2c490720) without calling
beginResetModel first
Thanks and Best Regards
--
Zito
