cannot find ExtGState resource

[cole-dda]

Description of the bug

The Pdf
xx.pdf

when use pymupdf save pdf page to image,the error is

MuPDF error: syntax error: cannot find ExtGState resource 'FXE1'

the result image(missing some background rect)

but use other tool,the result is

How to reproduce the bug

    doc=pymupdf.open('xx.pdf')
    page=doc[0]
    pix= page.get_pixmap()
    pix.save('1.png')

PyMuPDF version

1.26.4

Operating system

MacOS

Python version

3.13

[JorjMcKie]

I think this is an upstream (MuPDF) issue. Transferring to their issue system.
MuPDF issue link: https://bugs.ghostscript.com/show_bug.cgi?id=708845

[julian-smith-artifex-com]

The upstream bug is fixed in MuPDF master.

[julian-smith-artifex-com]

Upstream bug is also on mupdf-1.26.x branch.

[julian-smith-artifex-com]

Fixed in pymupdf-1.26.6.