** Description changed:

  [ Impact ]
  
  Since updating to Ubuntu 26.04 (gnome 50, glycin 2.1.1+ds-0ubuntu1) I'm
  unable to load any HEIC images, the following is displayed when opening
  in image viewer:
  
  Remote error: org.gnome.glycin.Error.LoadingError: glycin-
  loaders/glycin-heif/src/main.rs:103:24: DecoderPluginError(Unspecified)
  Decoder plugin generated an error: Unspecified
  
  stderr: Setting process memory limit
  
  Thumbnails are also no longer generated.
  
- [ Test Plan for AVIF ]
- 
- 1. Install the glycin-loaders update
- 2. Open an AVIF image in Image Viewer
- 3. Verify that the image loaded correctly
- 
- [ Test Plan for HEIC ]
+ [ Test Plan ]
  
  1. Install the ubuntu-restricted-addons update
- 2. Open an HEIC image in Image Viewer
+ 2. Open a HEIC image in Image Viewer
  3. Verify that the image loaded correctly
  
  [ Where problems could occur ]
  
  We are only adding dependencies.
  There could be component-mismatches issues if done incorrectly.
  
  [ Original message ]
  
  I originally raised this on the GNOME glycin project, however redirected
  here as it's a dependency related issue with the package:
  https://gitlab.gnome.org/GNOME/glycin/-/work_items/289
  
  Copy pasting the response from there:
  
  "I tested a fresh Ubuntu VM and can reproduce this. It looks like 
libheif-plugin-libde265 or libheif-plugin-ffmpegdec is not installed 
automatically, so you need one of these packages.
  You might still want to report to Ubuntu that the dependencies for 
glycin-loaders seem wrong https://packages.ubuntu.com/resolute/glycin-loaders
  It looks like the suggested packages are all encoders and the decoders are 
missing.
  
  libheif-plugin-aomdec: HEIF and AVIF file format decoder and encoder
  
  That's an AVID encode. The HEIF is confusing here, and isn't aomenc the
  encoder?
  
  libheif-plugin-x265: HEIF and AVIF file format decoder and encoder -
  x265 plugin
  
  Also sounds wrong. Why would x265 have anything to do with AVIF? And it's 
also just an encoder.
  It's all explained here 
https://github.com/strukturag/libheif#supported-features";

-- 
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https://bugs.launchpad.net/bugs/2151173

Title:
  Unable to load HEIC images (dependency issue)

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