compute-baseline: report version ranges and ranged dates

features/audio.yml.dist

@@ -72,12 +72,12 @@ compat_features:
   - api.HTMLAudioElement.Audio
 
   # baseline: high
-  # baseline_low_date: 2018-10-02
-  # baseline_high_date: 2021-04-02
+  # baseline_low_date: ≤2018-10-02
+  # baseline_high_date: ≤2021-04-02
   # support:
   #   chrome: "15"
   #   chrome_android: "18"
-  #   edge: "18"
+  #   edge: ≤18
   #   firefox: "11"
   #   firefox_android: "14"
   #   safari: "6"
@@ -90,7 +90,7 @@ compat_features:
   # support:
   #   chrome: "33"
   #   chrome_android: "33"
-  #   edge: "18"
+  #   edge: ≤18
   #   firefox: "74"
   #   firefox_android: "79"
   #   safari: "10"

features/br.yml.dist

@@ -11,8 +11,8 @@ status:
     edge: "12"
     firefox: "1"
     firefox_android: "4"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   # baseline: high
   # baseline_low_date: 2015-07-29
@@ -37,6 +37,6 @@ compat_features:
   #   edge: "12"
   #   firefox: "1"
   #   firefox_android: "4"
-  #   safari: "4"
-  #   safari_ios: "3.2"
+  #   safari: ≤4
+  #   safari_ios: ≤3.2
   - html.elements.br

features/code.yml.dist

@@ -11,7 +11,7 @@ status:
     edge: "12"
     firefox: "1"
     firefox_android: "4"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   - html.elements.code

features/draft/file-and-directory-entries.yml.dist

@@ -12,12 +12,12 @@ status:
     safari_ios: "16.4"
 compat_features:
   # baseline: high
-  # baseline_low_date: 2018-10-02
-  # baseline_high_date: 2021-04-02
+  # baseline_low_date: ≤2018-10-02
+  # baseline_high_date: ≤2021-04-02
   # support:
   #   chrome: "7"
   #   chrome_android: "18"
-  #   edge: "18"
+  #   edge: ≤18
   #   firefox: "50"
   #   firefox_android: "50"
   #   safari: "11.1"
@@ -27,12 +27,12 @@ compat_features:
   - api.FileSystem.root
 
   # baseline: high
-  # baseline_low_date: 2018-10-02
-  # baseline_high_date: 2021-04-02
+  # baseline_low_date: ≤2018-10-02
+  # baseline_high_date: ≤2021-04-02
   # support:
   #   chrome: "8"
   #   chrome_android: "18"
-  #   edge: "18"
+  #   edge: ≤18
   #   firefox: "50"
   #   firefox_android: "50"
   #   safari: "11.1"

features/draft/html-elements/bdo.yml.dist

@@ -6,12 +6,12 @@ status:
   baseline_low_date: 2015-07-29
   baseline_high_date: 2018-01-29
   support:
-    chrome: "15"
+    chrome: ≤15
     chrome_android: "18"
     edge: "12"
     firefox: "10"
     firefox_android: "10"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   - html.elements.bdo

features/draft/html-elements/blockquote.yml.dist

@@ -11,8 +11,8 @@ status:
     edge: "12"
     firefox: "1"
     firefox_android: "4"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   - html.elements.blockquote
   - html.elements.blockquote.cite

features/draft/html-elements/button.yml.dist

@@ -41,8 +41,8 @@ compat_features:
   #   edge: "12"
   #   firefox: "1"
   #   firefox_android: "4"
-  #   safari: "4"
-  #   safari_ios: "3.2"
+  #   safari: ≤4
+  #   safari_ios: ≤3.2
   - html.elements.button
   - html.elements.button.disabled
   - html.elements.button.name

features/draft/html-elements/cite.yml.dist

@@ -11,7 +11,7 @@ status:
     edge: "12"
     firefox: "1"
     firefox_android: "4"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   - html.elements.cite

features/draft/html-elements/data.yml.dist

@@ -3,12 +3,12 @@
 
 status:
   baseline: high
-  baseline_low_date: 2018-10-02
-  baseline_high_date: 2021-04-02
+  baseline_low_date: ≤2018-10-02
+  baseline_high_date: ≤2021-04-02
   support:
     chrome: "62"
     chrome_android: "62"
-    edge: "18"
+    edge: ≤18
     firefox: "22"
     firefox_android: "22"
     safari: "10"
@@ -30,12 +30,12 @@ compat_features:
 
   # ⬇️ Same status as overall feature ⬇️
   # baseline: high
-  # baseline_low_date: 2018-10-02
-  # baseline_high_date: 2021-04-02
+  # baseline_low_date: ≤2018-10-02
+  # baseline_high_date: ≤2021-04-02
   # support:
   #   chrome: "62"
   #   chrome_android: "62"
-  #   edge: "18"
+  #   edge: ≤18
   #   firefox: "22"
   #   firefox_android: "22"
   #   safari: "10"

features/draft/html-elements/dd.yml.dist

@@ -11,8 +11,8 @@ status:
     edge: "12"
     firefox: "1"
     firefox_android: "4"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   # baseline: high
   # baseline_low_date: 2015-07-29
@@ -37,8 +37,8 @@ compat_features:
   #   edge: "12"
   #   firefox: "1"
   #   firefox_android: "4"
-  #   safari: "4"
-  #   safari_ios: "3.2"
+  #   safari: ≤4
+  #   safari_ios: ≤3.2
   - html.elements.dd
   - html.elements.dl
   - html.elements.dt

features/draft/html-elements/del.yml.dist

@@ -11,8 +11,8 @@ status:
     edge: "12"
     firefox: "1"
     firefox_android: "4"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   # baseline: high
   # baseline_low_date: 2015-07-29
@@ -39,8 +39,8 @@ compat_features:
   #   edge: "12"
   #   firefox: "1"
   #   firefox_android: "4"
-  #   safari: "4"
-  #   safari_ios: "3.2"
+  #   safari: ≤4
+  #   safari_ios: ≤3.2
   - html.elements.del
   - html.elements.del.cite
   - html.elements.del.datetime

features/draft/html-elements/em.yml.dist

@@ -11,7 +11,7 @@ status:
     edge: "12"
     firefox: "1"
     firefox_android: "4"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   - html.elements.em

features/draft/html-elements/embed.yml.dist

@@ -11,8 +11,8 @@ status:
     edge: "79"
     firefox: "1.5"
     firefox_android: "4"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   # baseline: high
   # baseline_low_date: 2015-07-29
@@ -39,8 +39,8 @@ compat_features:
   #   edge: "12"
   #   firefox: "1"
   #   firefox_android: "4"
-  #   safari: "4"
-  #   safari_ios: "3.2"
+  #   safari: ≤4
+  #   safari_ios: ≤3.2
   - html.elements.embed
   - html.elements.embed.height
   - html.elements.embed.src
@@ -81,6 +81,6 @@ compat_features:
   #   edge: "79"
   #   firefox: "1"
   #   firefox_android: "4"
-  #   safari: "4"
-  #   safari_ios: "3.2"
+  #   safari: ≤4
+  #   safari_ios: ≤3.2
   - html.elements.embed.type

features/draft/html-elements/fieldset.yml.dist

@@ -49,8 +49,8 @@ compat_features:
   #   edge: "12"
   #   firefox: "1"
   #   firefox_android: "4"
-  #   safari: "4"
-  #   safari_ios: "3.2"
+  #   safari: ≤4
+  #   safari_ios: ≤3.2
   - html.elements.fieldset
   - html.elements.fieldset.form
 
@@ -125,7 +125,7 @@ compat_features:
   # support:
   #   chrome: "57"
   #   chrome_android: "57"
-  #   edge: "18"
+  #   edge: ≤18
   #   firefox: "4"
   #   firefox_android: "4"
   #   safari: "13"

features/draft/html-elements/form.yml.dist

@@ -47,8 +47,8 @@ compat_features:
   #   edge: "12"
   #   firefox: "1"
   #   firefox_android: "4"
-  #   safari: "4"
-  #   safari_ios: "3.2"
+  #   safari: ≤4
+  #   safari_ios: ≤3.2
   - html.elements.form
   - html.elements.form.accept-charset
   - html.elements.form.action

features/draft/html-elements/h1.yml.dist

@@ -11,8 +11,8 @@ status:
     edge: "12"
     firefox: "1"
     firefox_android: "4"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   # baseline: high
   # baseline_low_date: 2015-07-29
@@ -37,8 +37,8 @@ compat_features:
   #   edge: "12"
   #   firefox: "1"
   #   firefox_android: "4"
-  #   safari: "4"
-  #   safari_ios: "3.2"
+  #   safari: ≤4
+  #   safari_ios: ≤3.2
   - html.elements.h1
   - html.elements.h2
   - html.elements.h3

features/draft/html-elements/i.yml.dist

@@ -11,7 +11,7 @@ status:
     edge: "12"
     firefox: "1"
     firefox_android: "4"
-    safari: "4"
-    safari_ios: "3.2"
+    safari: ≤4
+    safari_ios: ≤3.2
 compat_features:
   - html.elements.i

features/draft/html-elements/iframe.yml.dist

@@ -35,8 +35,8 @@ compat_features:
   #   edge: "12"
   #   firefox: "1"
   #   firefox_android: "4"
-  #   safari: "4"
-  #   safari_ios: "3.2"
+  #   safari: ≤4
+  #   safari_ios: ≤3.2
   - html.elements.iframe
   - html.elements.iframe.height
   - html.elements.iframe.name
@@ -83,16 +83,16 @@ compat_features:
   - api.HTMLIFrameElement.sandbox
 
   # baseline: high
-  # baseline_low_date: 2018-10-02
-  # baseline_high_date: 2021-04-02
+  # baseline_low_date: ≤2018-10-02
+  # baseline_high_date: ≤2021-04-02
   # support:
   #   chrome: "4"
   #   chrome_android: "18"
-  #   edge: "18"
+  #   edge: ≤18
   #   firefox: "28"
   #   firefox_android: "27"
-  #   safari: "10.1"
-  #   safari_ios: "10.3"
+  #   safari: ≤10.1
+  #   safari_ios: ≤10.3
   - html.elements.iframe.sandbox.allow-popups
 
   # baseline: high
@@ -126,13 +126,13 @@ compat_features:
   # baseline_low_date: 2020-01-15
   # baseline_high_date: 2022-07-15
   # support:
-  #   chrome: "49"
+  #   chrome: ≤49
   #   chrome_android: "49"
   #   edge: "79"
-  #   firefox: "49"
+  #   firefox: ≤49
   #   firefox_android: "49"
-  #   safari: "10.1"
-  #   safari_ios: "10.3"
+  #   safari: ≤10.1
+  #   safari_ios: ≤10.3
   - html.elements.iframe.sandbox.allow-forms
   - html.elements.iframe.sandbox.allow-pointer-lock
   - html.elements.iframe.sandbox.allow-same-origin
@@ -180,7 +180,7 @@ compat_features:
   #   chrome: "68"
   #   chrome_android: "68"
   #   edge: "79"
-  #   firefox: "49"
+  #   firefox: ≤49
   #   firefox_android: "49"
   - html.elements.iframe.sandbox.allow-orientation-lock