CTAN update: l3backend

The LaTeX Project Team submitted an update to the

                    l3backend

bundle.

Version:  2024-03-14
License:  lppl1.3c

Summary description:  LaTeX3 backend drivers

Announcement text:
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 ### Removed
 - Range guard for opacity

 ### Fixed
 - Initiation of opacity data (see \#1472)
 - ExtGState setup for stroking opacity (issue \#1472)
 - Inconsistent behavior of opacity functions w/o `pdfmanagement`
   (issue \#1473)
 - Redundant braces in opacity backend for dvisvgm
 - Interaction of scope with box insertion with `dvips` (see \#1504)

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The package’s Catalogue entry can be viewed at
   https://ctan.org/pkg/l3backend

The package’s files themselves can be inspected at
   https://mirrors.ctan.org/macros/latex/contrib/l3backend/

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   Thanks for the upload.

     For the CTAN Team
    Petra Rübe-Pugliese

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