diff --git a/features/charset.yml b/features/charset.yml
new file mode 100644
index 00000000000..a48db148796
--- /dev/null
+++ b/features/charset.yml
@@ -0,0 +1,6 @@
+name: "@charset"
+description: The `@charset` CSS at-rule specifies the character encoding of an external style sheet.
+spec: https://drafts.csswg.org/css2/#charset
+group: css
+compat_features:
+  - css.at-rules.charset
diff --git a/features/charset.yml.dist b/features/charset.yml.dist
new file mode 100644
index 00000000000..c8adddf429e
--- /dev/null
+++ b/features/charset.yml.dist
@@ -0,0 +1,17 @@
+# Generated from: charset.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "2"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1.5"
+    firefox_android: "4"
+    safari: "4"
+    safari_ios: "4"
+compat_features:
+  - css.at-rules.charset
diff --git a/features/float-clear.yml b/features/float-clear.yml
new file mode 100644
index 00000000000..2b9f85c5a81
--- /dev/null
+++ b/features/float-clear.yml
@@ -0,0 +1,15 @@
+name: float and clear
+description: The `float` CSS property aligns an element to either side of its container, allowing text and inline elements to flow around it. The `clear` CSS property sets whether an element is moved below floating elements that proceed it.
+spec:
+  - https://drafts.csswg.org/css2/#propdef-float
+  - https://drafts.csswg.org/css2/#propdef-clear
+group: css
+compat_features:
+  - css.properties.clear
+  - css.properties.clear.both
+  - css.properties.clear.left
+  - css.properties.clear.right
+  - css.properties.float
+  - css.properties.float.left
+  - css.properties.float.none
+  - css.properties.float.right
diff --git a/features/float-clear.yml.dist b/features/float-clear.yml.dist
new file mode 100644
index 00000000000..729fa5cb399
--- /dev/null
+++ b/features/float-clear.yml.dist
@@ -0,0 +1,24 @@
+# Generated from: float-clear.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  - css.properties.clear
+  - css.properties.clear.both
+  - css.properties.clear.left
+  - css.properties.clear.right
+  - css.properties.float
+  - css.properties.float.left
+  - css.properties.float.none
+  - css.properties.float.right
diff --git a/features/table.yml b/features/table.yml
index cb969695864..7bf43f28421 100644
--- a/features/table.yml
+++ b/features/table.yml
@@ -64,3 +64,15 @@ compat_features:
   - html.elements.th.scope
   - html.elements.thead
   - html.elements.tr
+  - css.properties.border-collapse
+  - css.properties.border-collapse.collapse
+  - css.properties.border-collapse.separate
+  - css.properties.border-spacing
+  - css.properties.caption-side
+  - css.properties.caption-side.bottom
+  - css.properties.caption-side.bottom-outside
+  - css.properties.caption-side.top
+  - css.properties.caption-side.top-outside
+  - css.properties.caption-side.writing-mode_relative_values
+  - css.properties.empty-cells
+  - css.properties.table-layout
diff --git a/features/table.yml.dist b/features/table.yml.dist
index de28072e6b0..ecda4d4e617 100644
--- a/features/table.yml.dist
+++ b/features/table.yml.dist
@@ -26,6 +26,8 @@ compat_features:
   #   firefox_android: "4"
   #   safari: "1"
   #   safari_ios: "1"
+  - css.properties.border-spacing
+  - css.properties.caption-side
   - html.elements.table
   - html.elements.tbody
   - html.elements.td
@@ -42,6 +44,32 @@ compat_features:
   - html.elements.thead
   - html.elements.tr
 
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "1"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "1"
+  #   firefox_android: "4"
+  #   safari: "1.2"
+  #   safari_ios: "1"
+  - css.properties.empty-cells
+
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "1"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "1"
+  #   firefox_android: "4"
+  #   safari: "1.2"
+  #   safari_ios: "3"
+  - css.properties.border-collapse
+
   # baseline: high
   # baseline_low_date: 2015-07-29
   # baseline_high_date: 2018-01-29
@@ -131,6 +159,19 @@ compat_features:
   - api.HTMLTableRowElement.insertCell.index_parameter_negative_one
   - api.HTMLTableRowElement.insertCell.index_parameter_optional
 
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "14"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "1"
+  #   firefox_android: "4"
+  #   safari: "1"
+  #   safari_ios: "3"
+  - css.properties.table-layout
+
   # baseline: high
   # baseline_low_date: 2015-07-29
   # baseline_high_date: 2018-01-29
@@ -144,6 +185,22 @@ compat_features:
   #   safari_ios: "6"
   - api.HTMLTableElement.createTBody
 
+  # baseline: high
+  # baseline_low_date: 2020-07-28
+  # baseline_high_date: 2023-01-28
+  # support:
+  #   chrome: ≤80
+  #   chrome_android: "80"
+  #   edge: "80"
+  #   firefox: ≤72
+  #   firefox_android: "79"
+  #   safari: ≤13.1
+  #   safari_ios: ≤13.4
+  - css.properties.border-collapse.collapse
+  - css.properties.border-collapse.separate
+  - css.properties.caption-side.bottom
+  - css.properties.caption-side.top
+
   # baseline: false
   # support:
   #   chrome: "65"
@@ -153,8 +210,19 @@ compat_features:
   #   firefox_android: "55"
   - html.elements.td.rowspan.rowspan_zero
 
+  # baseline: false
+  # support:
+  #   firefox: "42"
+  #   firefox_android: "42"
+  - css.properties.caption-side.writing-mode_relative_values
+
   # baseline: false
   # support:
   #   firefox: ≤55
   #   firefox_android: "55"
   - html.elements.th.rowspan.rowspan_zero
+
+  # baseline: false
+  # support: {}
+  - css.properties.caption-side.bottom-outside
+  - css.properties.caption-side.top-outside
diff --git a/features/vertical-align.yml b/features/vertical-align.yml
new file mode 100644
index 00000000000..e7238a7410f
--- /dev/null
+++ b/features/vertical-align.yml
@@ -0,0 +1,14 @@
+name: vertical-align
+description: The `vertical-align` CSS property sets the vertical alignment of inline, inline-block, and table cell elements. It has no effect on block-level elements.
+spec: https://drafts.csswg.org/css2/#propdef-vertical-align
+group: css
+compat_features:
+  - css.properties.vertical-align
+  - css.properties.vertical-align.baseline
+  - css.properties.vertical-align.bottom
+  - css.properties.vertical-align.middle
+  - css.properties.vertical-align.sub
+  - css.properties.vertical-align.super
+  - css.properties.vertical-align.text-bottom
+  - css.properties.vertical-align.text-top
+  - css.properties.vertical-align.top
diff --git a/features/vertical-align.yml.dist b/features/vertical-align.yml.dist
new file mode 100644
index 00000000000..e40d67e6f7a
--- /dev/null
+++ b/features/vertical-align.yml.dist
@@ -0,0 +1,25 @@
+# Generated from: vertical-align.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  - css.properties.vertical-align
+  - css.properties.vertical-align.baseline
+  - css.properties.vertical-align.bottom
+  - css.properties.vertical-align.middle
+  - css.properties.vertical-align.sub
+  - css.properties.vertical-align.super
+  - css.properties.vertical-align.text-bottom
+  - css.properties.vertical-align.text-top
+  - css.properties.vertical-align.top