RC1 - stacking with weights appears to be broken

Software Siril
1

No error message about failure, but when weighting is chosen the resulting stack is black. Stacking with no weights appears normal. Opening the .fits is StarTools confirms that it is not just a display issue.

with weighting:

stack_weighting
stack_weighting1232×891 67.3 KB

without weighting:

stack_no-weighting
stack_no-weighting1289×905 473 KB

log file:
2025-11-17T22.05.14.log.txt (119.3 KB)

p.s. - if you ask for log files with bug reports to the forum, maybe either change the default log file extension to .txt or add .log as a valid upload extension

2

I also found this issue. All of the weighting options produce a completely black stack. Stack looks normal when weighting set to None. I just removed RC1 and installed 1.4 Beta4 and it works fine.

3

Known issue already fixed I. The dev version

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