dependents.json

{
  "schema_version": 1,
  "generated_on": "2026-04-06",
  "ubuntu_release": "24.04.3 LTS (noble)",
  "metadata_source": "local apt-cache binary and source metadata from the Ubuntu 24.04 repositories configured on this system",
  "libwebp_package_versions": {
    "libwebp7": "1.3.2-0.4build3",
    "libwebpdecoder3": "1.3.2-0.4build3",
    "libwebpdemux2": "1.3.2-0.4build3",
    "libwebpmux3": "1.3.2-0.4build3",
    "libwebp-dev": "1.3.2-0.4build3"
  },
  "selection_policy": "Representative direct dependents on the libwebp runtime package family (libwebp7, libwebpdecoder3, libwebpdemux2, libwebpmux3) and/or source packages that Build-Depend on libwebp-dev. The list is intentionally diverse rather than exhaustive.",
  "method": [
    "Enumerated direct reverse dependencies with apt-cache rdepends against libwebp7, libwebpdecoder3, libwebpdemux2, and libwebpmux3.",
    "Confirmed compile-time use with apt-cache showsrc by checking Build-Depends for libwebp-dev on each selected source package.",
    "Assigned runtime functionality from package descriptions plus the specific libwebp subpackages each runtime package depends on."
  ],
  "dependents": [
    {
      "name": "GIMP",
      "source_package": "gimp",
      "runtime_package": "gimp",
      "category": "graphics editor",
      "runtime_depends_on": [
        "libwebp7",
        "libwebpdemux2",
        "libwebpmux3"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Opening, editing, and exporting WebP still images and animated WebP content in the raster editor.",
      "runtime_evidence_level": "inferred"
    },
    {
      "name": "Pillow",
      "source_package": "pillow",
      "runtime_package": "python3-pil",
      "category": "Python imaging library",
      "runtime_depends_on": [
        "libwebp7",
        "libwebpdemux2",
        "libwebpmux3"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Lets Python applications read, write, and transform WebP images, including animated WebP sequences.",
      "runtime_evidence_level": "inferred"
    },
    {
      "name": "WebKitGTK",
      "source_package": "webkit2gtk",
      "runtime_package": "libwebkit2gtk-4.1-0",
      "category": "web engine",
      "runtime_depends_on": [
        "libwebp7",
        "libwebpdemux2",
        "libwebpmux3"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Decoding and rendering WebP images referenced by web pages and other embedded web content, including animated WebP.",
      "runtime_evidence_level": "inferred"
    },
    {
      "name": "Qt 6 Image Formats Plugins",
      "source_package": "qt6-imageformats",
      "runtime_package": "qt6-image-formats-plugins",
      "category": "GUI framework image plugin",
      "runtime_depends_on": [
        "libwebp7",
        "libwebpdemux2",
        "libwebpmux3"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Adds WebP support to Qt 6 image readers and writers used by Qt GUI applications.",
      "runtime_evidence_level": "explicit"
    },
    {
      "name": "SDL2_image",
      "source_package": "libsdl2-image",
      "runtime_package": "libsdl2-image-2.0-0",
      "category": "game and multimedia image library",
      "runtime_depends_on": [
        "libwebp7",
        "libwebpdemux2"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Loads WebP images into SDL surfaces for games and multimedia applications.",
      "runtime_evidence_level": "explicit"
    },
    {
      "name": "libvips",
      "source_package": "vips",
      "runtime_package": "libvips42t64",
      "category": "image processing library",
      "runtime_depends_on": [
        "libwebp7",
        "libwebpdemux2",
        "libwebpmux3"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Reads and writes WebP images inside high-throughput image-processing pipelines.",
      "runtime_evidence_level": "inferred"
    },
    {
      "name": "GNU Emacs (GTK build)",
      "source_package": "emacs",
      "runtime_package": "emacs-gtk",
      "category": "text editor",
      "runtime_depends_on": [
        "libwebpdecoder3",
        "libwebpdemux2"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Displays WebP images inside GUI Emacs buffers, image-mode views, and other features that rely on Emacs image decoding.",
      "runtime_evidence_level": "inferred"
    },
    {
      "name": "Shotwell",
      "source_package": "shotwell",
      "runtime_package": "shotwell",
      "category": "photo organizer",
      "runtime_depends_on": [
        "libwebp7",
        "libwebpdemux2"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Imports, thumbnails, and displays WebP photos in the GNOME photo organizer.",
      "runtime_evidence_level": "inferred"
    },
    {
      "name": "LibreOffice",
      "source_package": "libreoffice",
      "runtime_package": "libreoffice-core",
      "category": "office suite",
      "runtime_depends_on": [
        "libwebp7"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Imports and renders WebP images embedded in Writer, Calc, Impress, and Draw documents.",
      "runtime_evidence_level": "inferred"
    },
    {
      "name": "FFmpeg libavcodec",
      "source_package": "ffmpeg",
      "runtime_package": "libavcodec60",
      "category": "multimedia codec library",
      "runtime_depends_on": [
        "libwebp7",
        "libwebpmux3"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Provides WebP decode and encode support in FFmpeg and other media-processing workflows built on libavcodec.",
      "runtime_evidence_level": "inferred"
    },
    {
      "name": "webp-pixbuf-loader",
      "source_package": "webp-pixbuf-loader",
      "runtime_package": "webp-pixbuf-loader",
      "category": "GTK image loader plugin",
      "runtime_depends_on": [
        "libwebp7",
        "libwebpdemux2",
        "libwebpmux3"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Adds native WebP preview and loading support to GTK applications through GdkPixbuf.",
      "runtime_evidence_level": "explicit"
    },
    {
      "name": "SAIL codecs",
      "source_package": "sail",
      "runtime_package": "sail-codecs",
      "category": "image codec library",
      "runtime_depends_on": [
        "libwebpdecoder3",
        "libwebpdemux2"
      ],
      "build_depends_on": [
        "libwebp-dev"
      ],
      "runtime_functionality": "Provides WebP decoding support in the SAIL codec pack used by applications built on the SAIL image library.",
      "runtime_evidence_level": "inferred"
    }
  ]
}