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          "description": "`packed_4x8_integer_dot_product` extension",
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            "web-features:webgpu"
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              "notes": "Supported on ChromeOS, macOS, and Windows only."
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            },
            "firefox_android": "mirror",
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              "version_added": false
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            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
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            "webview_ios": "mirror"
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          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "extension_pointer_composite_access": {
        "__compat": {
          "description": "`pointer_composite_access` extension",
          "spec_url": "https://gpuweb.github.io/gpuweb/wgsl/#language_extension-pointer_composite_access",
          "tags": [
            "web-features:webgpu"
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              "partial_implementation": true,
              "notes": "Supported on ChromeOS, macOS, and Windows only."
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            "chrome_android": "mirror",
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              "version_added": false
            },
            "firefox_android": "mirror",
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              "version_added": false
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            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
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            "webview_ios": "mirror"
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          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "extension_readonly_and_readwrite_storage_textures": {
        "__compat": {
          "description": "`readonly_and_readwrite_storage_textures` extension",
          "spec_url": "https://gpuweb.github.io/gpuweb/wgsl/#language_extension-readonly_and_readwrite_storage_textures",
          "tags": [
            "web-features:webgpu"
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              "notes": "Supported on ChromeOS, macOS, and Windows only."
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            "firefox_android": "mirror",
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            "safari_ios": "mirror",
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          "status": {
            "experimental": true,
            "standard_track": true,
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        }
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      "extension_unrestricted_pointer_parameters": {
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          "description": "`unrestricted_pointer_parameters` extension",
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          "tags": [
            "web-features:webgpu"
          ],
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            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
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            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "forEach": {
        "__compat": {
          "spec_url": "https://gpuweb.github.io/gpuweb/#gpuwgsllanguagefeatures",
          "tags": [
            "web-features:webgpu"
          ],
          "support": {
            "chrome": {
              "version_added": "115",
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              "notes": "Supported on ChromeOS, macOS, and Windows only."
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            "chrome_android": {
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            "firefox_android": "mirror",
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              "version_added": "26"
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            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
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          },
          "status": {
            "experimental": false,
            "standard_track": true,
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        }
      },
      "has": {
        "__compat": {
          "spec_url": "https://gpuweb.github.io/gpuweb/#gpuwgsllanguagefeatures",
          "tags": [
            "web-features:webgpu"
          ],
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            "chrome": {
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              "notes": "Supported on ChromeOS, macOS, and Windows only."
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              "notes": "Supported on Windows only, in all contexts except for service workers."
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            "opera_android": "mirror",
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            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
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            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
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        }
      },
      "keys": {
        "__compat": {
          "spec_url": "https://gpuweb.github.io/gpuweb/#gpuwgsllanguagefeatures",
          "tags": [
            "web-features:webgpu"
          ],
          "support": {
            "chrome": {
              "version_added": "115",
              "partial_implementation": true,
              "notes": "Supported on ChromeOS, macOS, and Windows only."
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            "experimental": false,
            "standard_track": true,
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          "spec_url": "https://gpuweb.github.io/gpuweb/#gpuwgsllanguagefeatures",
          "tags": [
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          "support": {
            "chrome": {
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              "notes": "Supported on ChromeOS, macOS, and Windows only."
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}