diff --git a/README.md b/README.md
index d0547a5..0c312f5 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ List of standard and browser specific CSS properties.
 
 ## Source
 
-1. Standard properties (only 'CR', 'WD', 'FPWD', 'LC', 'REC' statuses): http://www.w3.org/Style/CSS/all-properties.en.json 
+1. Standard properties (only 'REC', 'CR', 'LC', 'WD', 'FPWD', 'ED' statuses): http://www.w3.org/Style/CSS/all-properties.en.json
 2. Browser supported properties from `window.getComputedStyle` / `document.body.style`
 
 ### Windows
diff --git a/data/all.json b/data/all.json
index 772c409..8370a54 100644
--- a/data/all.json
+++ b/data/all.json
@@ -72,6 +72,7 @@
     "-webkit-background-color",
     "-webkit-background-composite",
     "background-image",
+    "background-image-transform",
     "-webkit-background-image",
     "-moz-background-inline-policy",
     "background-origin",
@@ -96,6 +97,11 @@
     "-moz-binding",
     "-ms-block-progression",
     "block-size",
+    "block-step",
+    "block-step-align",
+    "block-step-insert",
+    "block-step-round",
+    "block-step-size",
     "bookmark-label",
     "bookmark-level",
     "bookmark-state",
@@ -108,6 +114,8 @@
     "-webkit-border-before-style",
     "-webkit-border-before",
     "-webkit-border-before-width",
+    "border-block",
+    "border-block-color",
     "border-block-end",
     "border-block-end-color",
     "border-block-end-style",
@@ -116,6 +124,8 @@
     "border-block-start-color",
     "border-block-start-style",
     "border-block-start-width",
+    "border-block-style",
+    "border-block-width",
     "border-bottom",
     "border-bottom-color",
     "-moz-border-bottom-colors",
@@ -149,9 +159,12 @@
     "-webkit-border-image-slice",
     "border-image-source",
     "-webkit-border-image-source",
+    "border-image-transform",
     "-webkit-border-image",
     "border-image-width",
     "-webkit-border-image-width",
+    "border-inline",
+    "border-inline-color",
     "border-inline-end",
     "border-inline-end-color",
     "border-inline-end-style",
@@ -160,6 +173,8 @@
     "border-inline-start-color",
     "border-inline-start-style",
     "border-inline-start-width",
+    "border-inline-style",
+    "border-inline-width",
     "border-left",
     "border-left-color",
     "-moz-border-left-colors",
@@ -223,7 +238,6 @@
     "-moz-box-sizing",
     "-webkit-box-sizing",
     "box-snap",
-    "box-suppress",
     "break-after",
     "break-before",
     "break-inside",
@@ -233,6 +247,7 @@
     "caret-animation",
     "caret-color",
     "caret-shape",
+    "chains",
     "clear",
     "clip",
     "clip-path",
@@ -292,6 +307,7 @@
     "-ms-content-zoom-snap-points",
     "-ms-content-zoom-snap-type",
     "-ms-content-zooming",
+    "continue",
     "counter-increment",
     "counter-reset",
     "counter-set",
@@ -313,8 +329,15 @@
     "empty-cells",
     "enable-background",
     "fill",
+    "fill-break",
+    "fill-color",
+    "fill-image",
     "fill-opacity",
+    "fill-origin",
+    "fill-position",
+    "fill-repeat",
     "fill-rule",
+    "fill-size",
     "filter",
     "-ms-filter",
     "-webkit-filter",
@@ -356,6 +379,7 @@
     "float-reference",
     "flood-color",
     "flood-opacity",
+    "flow",
     "flow-from",
     "-ms-flow-from",
     "-webkit-flow-from",
@@ -373,6 +397,11 @@
     "-webkit-font-kerning",
     "font-language-override",
     "-moz-font-language-override",
+    "font-max-size",
+    "font-min-size",
+    "font-optical-sizing",
+    "font-palette",
+    "font-presentation",
     "font-size",
     "font-size-adjust",
     "-webkit-font-size-delta",
@@ -466,6 +495,13 @@
     "input-format",
     "-wap-input-format",
     "-wap-input-required",
+    "inset",
+    "inset-block",
+    "inset-block-end",
+    "inset-block-start",
+    "inset-inline",
+    "inset-inline-end",
+    "inset-inline-start",
     "-ms-interpolation-mode",
     "isolation",
     "justify-content",
@@ -510,6 +546,7 @@
     "-webkit-margin-after",
     "-webkit-margin-before-collapse",
     "-webkit-margin-before",
+    "margin-block",
     "margin-block-end",
     "margin-block-start",
     "margin-bottom",
@@ -517,6 +554,7 @@
     "-webkit-margin-collapse",
     "-moz-margin-end",
     "-webkit-margin-end",
+    "margin-inline",
     "margin-inline-end",
     "margin-inline-start",
     "margin-left",
@@ -670,11 +708,13 @@
     "padding",
     "-webkit-padding-after",
     "-webkit-padding-before",
+    "padding-block",
     "padding-block-end",
     "padding-block-start",
     "padding-bottom",
     "-moz-padding-end",
     "-webkit-padding-end",
+    "padding-inline",
     "padding-inline-end",
     "padding-inline-start",
     "padding-left",
@@ -709,10 +749,6 @@
     "place-self",
     "play-during",
     "pointer-events",
-    "polar-anchor",
-    "polar-angle",
-    "polar-distance",
-    "polar-origin",
     "position",
     "-webkit-print-color-adjust",
     "quotes",
@@ -749,6 +785,17 @@
     "-ms-scroll-limit-x-min",
     "-ms-scroll-limit-y-max",
     "-ms-scroll-limit-y-min",
+    "scroll-padding",
+    "scroll-padding-block",
+    "scroll-padding-block-end",
+    "scroll-padding-block-start",
+    "scroll-padding-bottom",
+    "scroll-padding-inline",
+    "scroll-padding-inline-end",
+    "scroll-padding-inline-start",
+    "scroll-padding-left",
+    "scroll-padding-right",
+    "scroll-padding-top",
     "-ms-scroll-rails",
     "scroll-snap-align",
     "scroll-snap-coordinate",
@@ -756,13 +803,23 @@
     "scroll-snap-destination",
     "-webkit-scroll-snap-destination",
     "scroll-snap-margin",
-    "scroll-snap-padding",
+    "scroll-snap-margin-block",
+    "scroll-snap-margin-block-end",
+    "scroll-snap-margin-block-start",
+    "scroll-snap-margin-bottom",
+    "scroll-snap-margin-inline",
+    "scroll-snap-margin-inline-end",
+    "scroll-snap-margin-inline-start",
+    "scroll-snap-margin-left",
+    "scroll-snap-margin-right",
+    "scroll-snap-margin-top",
     "scroll-snap-points-x",
     "-ms-scroll-snap-points-x",
     "-webkit-scroll-snap-points-x",
     "scroll-snap-points-y",
     "-ms-scroll-snap-points-y",
     "-webkit-scroll-snap-points-y",
+    "scroll-snap-stop",
     "scroll-snap-type",
     "-ms-scroll-snap-type",
     "-webkit-scroll-snap-type",
@@ -776,6 +833,7 @@
     "scrollbar-dark-shadow-color",
     "scrollbar-darkshadow-color",
     "scrollbar-face-color",
+    "scrollbar-gutter",
     "scrollbar-highlight-color",
     "scrollbar-shadow-color",
     "scrollbar-track-color",
@@ -808,15 +866,25 @@
     "stress",
     "string-set",
     "stroke",
+    "stroke-align",
     "stroke-alignment",
+    "stroke-break",
+    "stroke-color",
+    "stroke-dash-corner",
+    "stroke-dash-justify",
     "stroke-dashadjust",
     "stroke-dasharray",
     "stroke-dashcorner",
     "stroke-dashoffset",
+    "stroke-image",
     "stroke-linecap",
     "stroke-linejoin",
     "stroke-miterlimit",
     "stroke-opacity",
+    "stroke-origin",
+    "stroke-position",
+    "stroke-repeat",
+    "stroke-size",
     "stroke-width",
     "-webkit-svg-shadow",
     "tab-size",
@@ -826,6 +894,7 @@
     "table-layout",
     "-webkit-tap-highlight-color",
     "text-align",
+    "text-align-all",
     "text-align-last",
     "-moz-text-align-last",
     "text-anchor",
diff --git a/package.json b/package.json
index 8cde519..0c9a755 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,8 @@
   "main": "index.js",
   "scripts": {
     "bump": "npm version patch && npm publish && git push && git push --tags",
-    "generate": "node scripts/generate.js",
+    "download-w3c-data": "node scripts/download-w3c-data",
+    "generate": "node scripts/generate",
     "lint": "eslint index.js scripts/*.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
@@ -28,6 +29,7 @@
   },
   "homepage": "https://github.com/betit/known-css-properties#readme",
   "devDependencies": {
+    "axios": "^0.16.2",
     "eslint": "^3.19.0",
     "globby": "^6.1.0",
     "lodash.sortby": "^4.7.0",
diff --git a/scripts/download-w3c-data.js b/scripts/download-w3c-data.js
new file mode 100644
index 0000000..0d1a639
--- /dev/null
+++ b/scripts/download-w3c-data.js
@@ -0,0 +1,27 @@
+const { writeFile } = require('fs');
+const { resolve } = require('path');
+const uniq = require('lodash.uniq');
+const axios = require('axios');
+
+const outputFile = resolve(__dirname, '../source/w3c.json');
+const w3URL = 'https://www.w3.org/Style/CSS/all-properties.en.json';
+const validStatuses = ['REC', 'CR', 'LC', 'WD', 'FPWD', 'ED'];
+
+const isEntryValid = ({property, status}) =>
+    !property.startsWith('--') && validStatuses.includes(status)
+
+const saveData = (properties) =>
+    new Promise((resolve, reject) => {
+        writeFile(
+            outputFile,
+            JSON.stringify({ properties }, null, 2),
+            (err, res) => err ? reject(err) : resolve(res)
+        );
+    });
+
+axios.get(w3URL)
+    .then(res => res.data.filter(isEntryValid))
+    .then(properties => properties.map(({property}) => property))
+    .then(properties => uniq(properties))
+    .then(saveData)
+    .catch(err => console.error(err));
diff --git a/source/w3c.json b/source/w3c.json
index 4391f8d..9c80081 100644
--- a/source/w3c.json
+++ b/source/w3c.json
@@ -23,15 +23,34 @@
     "background-clip",
     "background-color",
     "background-image",
+    "background-image-transform",
     "background-origin",
     "background-position",
     "background-repeat",
     "background-size",
     "baseline-shift",
+    "block-size",
+    "block-step",
+    "block-step-align",
+    "block-step-insert",
+    "block-step-round",
+    "block-step-size",
     "bookmark-label",
     "bookmark-level",
     "bookmark-state",
     "border",
+    "border-block",
+    "border-block-color",
+    "border-block-end",
+    "border-block-end-color",
+    "border-block-end-style",
+    "border-block-end-width",
+    "border-block-start",
+    "border-block-start-color",
+    "border-block-start-style",
+    "border-block-start-width",
+    "border-block-style",
+    "border-block-width",
     "border-bottom",
     "border-bottom-color",
     "border-bottom-left-radius",
@@ -46,7 +65,20 @@
     "border-image-repeat",
     "border-image-slice",
     "border-image-source",
+    "border-image-transform",
     "border-image-width",
+    "border-inline",
+    "border-inline-color",
+    "border-inline-end",
+    "border-inline-end-color",
+    "border-inline-end-style",
+    "border-inline-end-width",
+    "border-inline-start",
+    "border-inline-start-color",
+    "border-inline-start-style",
+    "border-inline-start-width",
+    "border-inline-style",
+    "border-inline-width",
     "border-left",
     "border-left-color",
     "border-left-style",
@@ -70,7 +102,6 @@
     "box-shadow",
     "box-sizing",
     "box-snap",
-    "box-suppress",
     "break-after",
     "break-before",
     "break-inside",
@@ -79,11 +110,13 @@
     "caret-animation",
     "caret-color",
     "caret-shape",
+    "chains",
     "clear",
     "clip",
     "clip-path",
     "clip-rule",
     "color",
+    "color-adjust",
     "color-interpolation-filters",
     "column-count",
     "column-fill",
@@ -95,7 +128,9 @@
     "column-span",
     "column-width",
     "columns",
+    "contain",
     "content",
+    "continue",
     "counter-increment",
     "counter-reset",
     "counter-set",
@@ -108,6 +143,16 @@
     "dominant-baseline",
     "elevation",
     "empty-cells",
+    "fill",
+    "fill-break",
+    "fill-color",
+    "fill-image",
+    "fill-opacity",
+    "fill-origin",
+    "fill-position",
+    "fill-repeat",
+    "fill-rule",
+    "fill-size",
     "filter",
     "flex",
     "flex-basis",
@@ -122,6 +167,7 @@
     "float-reference",
     "flood-color",
     "flood-opacity",
+    "flow",
     "flow-from",
     "flow-into",
     "font",
@@ -129,6 +175,11 @@
     "font-feature-settings",
     "font-kerning",
     "font-language-override",
+    "font-max-size",
+    "font-min-size",
+    "font-optical-sizing",
+    "font-palette",
+    "font-presentation",
     "font-size",
     "font-size-adjust",
     "font-stretch",
@@ -141,6 +192,7 @@
     "font-variant-ligatures",
     "font-variant-numeric",
     "font-variant-position",
+    "font-variation-settings",
     "font-weight",
     "footnote-display",
     "footnote-policy",
@@ -172,11 +224,18 @@
     "hyphenate-limit-zone",
     "hyphens",
     "image-orientation",
-    "image-rendering",
     "image-resolution",
     "initial-letter",
     "initial-letter-align",
     "initial-letter-wrap",
+    "inline-size",
+    "inset",
+    "inset-block",
+    "inset-block-end",
+    "inset-block-start",
+    "inset-inline",
+    "inset-inline-end",
+    "inset-inline-start",
     "isolation",
     "justify-content",
     "justify-items",
@@ -187,13 +246,20 @@
     "line-break",
     "line-grid",
     "line-height",
+    "line-height-step",
     "line-snap",
     "list-style",
     "list-style-image",
     "list-style-position",
     "list-style-type",
     "margin",
+    "margin-block",
+    "margin-block-end",
+    "margin-block-start",
     "margin-bottom",
+    "margin-inline",
+    "margin-inline-end",
+    "margin-inline-start",
     "margin-left",
     "margin-right",
     "margin-top",
@@ -227,25 +293,31 @@
     "mask-repeat",
     "mask-size",
     "mask-type",
+    "max-block-size",
     "max-height",
+    "max-inline-size",
     "max-lines",
     "max-width",
+    "min-block-size",
     "min-height",
+    "min-inline-size",
     "min-width",
     "mix-blend-mode",
-    "motion",
-    "motion-offset",
-    "motion-path",
-    "motion-rotation",
     "nav-down",
     "nav-left",
     "nav-right",
     "nav-up",
     "object-fit",
     "object-position",
+    "offset",
     "offset-after",
+    "offset-anchor",
     "offset-before",
+    "offset-distance",
     "offset-end",
+    "offset-path",
+    "offset-position",
+    "offset-rotate",
     "offset-start",
     "opacity",
     "order",
@@ -261,7 +333,13 @@
     "overflow-x",
     "overflow-y",
     "padding",
+    "padding-block",
+    "padding-block-end",
+    "padding-block-start",
     "padding-bottom",
+    "padding-inline",
+    "padding-inline-end",
+    "padding-inline-start",
     "padding-left",
     "padding-right",
     "padding-top",
@@ -276,11 +354,10 @@
     "perspective-origin",
     "pitch",
     "pitch-range",
+    "place-content",
+    "place-items",
+    "place-self",
     "play-during",
-    "polar-anchor",
-    "polar-angle",
-    "polar-distance",
-    "polar-origin",
     "position",
     "quotes",
     "region-fragment",
@@ -297,10 +374,32 @@
     "ruby-position",
     "running",
     "scroll-behavior",
+    "scroll-padding",
+    "scroll-padding-block",
+    "scroll-padding-block-end",
+    "scroll-padding-block-start",
+    "scroll-padding-bottom",
+    "scroll-padding-inline",
+    "scroll-padding-inline-end",
+    "scroll-padding-inline-start",
+    "scroll-padding-left",
+    "scroll-padding-right",
+    "scroll-padding-top",
     "scroll-snap-align",
     "scroll-snap-margin",
-    "scroll-snap-padding",
+    "scroll-snap-margin-block",
+    "scroll-snap-margin-block-end",
+    "scroll-snap-margin-block-start",
+    "scroll-snap-margin-bottom",
+    "scroll-snap-margin-inline",
+    "scroll-snap-margin-inline-end",
+    "scroll-snap-margin-inline-start",
+    "scroll-snap-margin-left",
+    "scroll-snap-margin-right",
+    "scroll-snap-margin-top",
+    "scroll-snap-stop",
     "scroll-snap-type",
+    "scrollbar-gutter",
     "shape-image-threshold",
     "shape-inside",
     "shape-margin",
@@ -315,19 +414,30 @@
     "stress",
     "string-set",
     "stroke",
+    "stroke-align",
     "stroke-alignment",
+    "stroke-break",
+    "stroke-color",
+    "stroke-dash-corner",
+    "stroke-dash-justify",
     "stroke-dashadjust",
     "stroke-dasharray",
     "stroke-dashcorner",
     "stroke-dashoffset",
+    "stroke-image",
     "stroke-linecap",
     "stroke-linejoin",
     "stroke-miterlimit",
     "stroke-opacity",
+    "stroke-origin",
+    "stroke-position",
+    "stroke-repeat",
+    "stroke-size",
     "stroke-width",
     "tab-size",
     "table-layout",
     "text-align",
+    "text-align-all",
     "text-align-last",
     "text-combine-upright",
     "text-decoration",
@@ -352,6 +462,7 @@
     "text-wrap",
     "top",
     "transform",
+    "transform-box",
     "transform-origin",
     "transform-style",
     "transition",