diff --git a/packages/babel-compat-data/data/plugins.json b/packages/babel-compat-data/data/plugins.json
index 6d69c79844dd..3280bb46d21a 100644
--- a/packages/babel-compat-data/data/plugins.json
+++ b/packages/babel-compat-data/data/plugins.json
@@ -566,16 +566,16 @@
     "electron": "1.2"
   },
   "transform-block-scoping": {
-    "chrome": "49",
-    "opera": "36",
+    "chrome": "50",
+    "opera": "37",
     "edge": "14",
-    "firefox": "51",
+    "firefox": "53",
     "safari": "11",
     "node": "6",
     "deno": "1",
     "ios": "11",
     "samsung": "5",
-    "electron": "0.37"
+    "electron": "1.1"
   },
   "transform-typeof-symbol": {
     "chrome": "38",
diff --git a/packages/babel-compat-data/scripts/data/plugin-features.js b/packages/babel-compat-data/scripts/data/plugin-features.js
index 6c4365b0f096..1ccc453584bb 100644
--- a/packages/babel-compat-data/scripts/data/plugin-features.js
+++ b/packages/babel-compat-data/scripts/data/plugin-features.js
@@ -102,7 +102,7 @@ const es2015 = {
     features: ["destructuring, assignment", "destructuring, declarations"],
   },
   "transform-block-scoping": {
-    features: ["const", "let"],
+    features: ["const", "let", "generators"],
   },
   "transform-typeof-symbol": {
     features: ["Symbol / typeof support"],
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-electron/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-electron/stdout.txt
index 622331620303..15e40a00c850 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-electron/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-electron/stdout.txt
@@ -31,7 +31,7 @@ Using plugins:
   transform-sticky-regex { electron < 0.37 }
   transform-unicode-regex { electron < 1.1 }
   transform-destructuring { electron < 1.2 }
-  transform-block-scoping { electron < 0.37 }
+  transform-block-scoping { electron < 1.1 }
   transform-regenerator { electron < 1.1 }
   transform-export-namespace-from { electron < 5.0 }
   transform-modules-commonjs
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-specific-targets/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-specific-targets/stdout.txt
index 6dda1983a7c6..51cd503cf870 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-specific-targets/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-specific-targets/stdout.txt
@@ -47,7 +47,7 @@ Using plugins:
   transform-unicode-regex { ie, ios < 12, safari < 12 }
   transform-spread { ie, ios < 10, safari < 10 }
   transform-destructuring { edge < 15, firefox < 53, ie, ios < 10, safari < 10 }
-  transform-block-scoping { edge < 14, firefox < 51, ie, ios < 11, safari < 11 }
+  transform-block-scoping { edge < 14, firefox < 53, ie, ios < 11, safari < 11 }
   transform-typeof-symbol { ie, safari < 9 }
   transform-new-target { edge < 14, ie, ios < 10, safari < 10 }
   transform-regenerator { firefox < 53, ie, ios < 10, safari < 10 }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-versions-decimals/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-versions-decimals/stdout.txt
index 3a726884a24f..53c36200d6de 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-versions-decimals/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-versions-decimals/stdout.txt
@@ -45,7 +45,7 @@ Using plugins:
   transform-unicode-regex { electron < 1.1, ie }
   transform-spread { ie }
   transform-destructuring { electron < 1.2, ie, node < 6.5 }
-  transform-block-scoping { electron < 0.37, ie }
+  transform-block-scoping { electron < 1.1, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { electron < 1.1, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-electron/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-electron/stdout.txt
index 6f4493823979..95f68eb6b655 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-electron/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-electron/stdout.txt
@@ -31,7 +31,7 @@ Using plugins:
   transform-sticky-regex { electron < 0.37 }
   transform-unicode-regex { electron < 1.1 }
   transform-destructuring { electron < 1.2 }
-  transform-block-scoping { electron < 0.37 }
+  transform-block-scoping { electron < 1.1 }
   transform-regenerator { electron < 1.1 }
   transform-export-namespace-from { electron < 5.0 }
   transform-modules-commonjs
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-specific-targets/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-specific-targets/stdout.txt
index 440aea31ceb4..17cd2c65002e 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-specific-targets/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-specific-targets/stdout.txt
@@ -47,7 +47,7 @@ Using plugins:
   transform-unicode-regex { ie, ios < 12, safari < 12 }
   transform-spread { ie, ios < 10, safari < 10 }
   transform-destructuring { edge < 15, firefox < 53, ie, ios < 10, safari < 10 }
-  transform-block-scoping { edge < 14, firefox < 51, ie, ios < 11, safari < 11 }
+  transform-block-scoping { edge < 14, firefox < 53, ie, ios < 11, safari < 11 }
   transform-typeof-symbol { ie, safari < 9 }
   transform-new-target { edge < 14, ie, ios < 10, safari < 10 }
   transform-regenerator { firefox < 53, ie, ios < 10, safari < 10 }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-versions-decimals/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-versions-decimals/stdout.txt
index c535561c742f..136a00661d56 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-versions-decimals/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-versions-decimals/stdout.txt
@@ -45,7 +45,7 @@ Using plugins:
   transform-unicode-regex { electron < 1.1, ie }
   transform-spread { ie }
   transform-destructuring { electron < 1.2, ie, node < 6.5 }
-  transform-block-scoping { electron < 0.37, ie }
+  transform-block-scoping { electron < 1.1, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { electron < 1.1, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/plugins-only/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/plugins-only/stdout.txt
index 8d6cc41445d0..c05ee165920a 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/plugins-only/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/plugins-only/stdout.txt
@@ -29,6 +29,7 @@ Using plugins:
   transform-for-of { firefox < 53 }
   transform-unicode-escapes { firefox < 53 }
   transform-destructuring { firefox < 53 }
+  transform-block-scoping { firefox < 53 }
   transform-export-namespace-from { firefox < 80, node < 13.2 }
   transform-modules-commonjs
   transform-dynamic-import
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-1/stdout.txt
index c4f3060a5800..2b9036211cbb 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-2/stdout.txt
index 824bdc26fe67..64981277379a 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-none-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-none-1/stdout.txt
index 87860969f097..57da74388749 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-none-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-none-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-none-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-none-2/stdout.txt
index 3aa16982c2ff..0311a5225b20 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-none-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-none-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-proposals-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-proposals-1/stdout.txt
index a72a99eee555..a60ee8117d2d 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-proposals-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-proposals-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-proposals-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-proposals-2/stdout.txt
index 7fa45f70d62b..62aa0ef306ee 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-proposals-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-proposals-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-shippedProposals-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-shippedProposals-1/stdout.txt
index 671fbe0a7839..bc4189b903fe 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-shippedProposals-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-shippedProposals-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-shippedProposals-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-shippedProposals-2/stdout.txt
index 6f27b7aca95e..883f5b3d5f4d 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-shippedProposals-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-shippedProposals-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-1/stdout.txt
index 05aa7c9e0d1f..623ae24001f7 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-2/stdout.txt
index 0cb0d868aa3d..b53ec6177a47 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-none-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-none-1/stdout.txt
index fc37f206fbdc..f6958755a414 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-none-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-none-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-none-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-none-2/stdout.txt
index 3229e090f417..daf792bdd479 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-none-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-none-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-proposals-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-proposals-1/stdout.txt
index 870d9b14ed6b..6b4bd7fcd2a4 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-proposals-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-proposals-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-proposals-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-proposals-2/stdout.txt
index 3d531e640d34..e5c690b99d85 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-proposals-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-proposals-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-shippedProposals-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-shippedProposals-1/stdout.txt
index db12afd166cc..1f65273fe95a 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-shippedProposals-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-shippedProposals-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-shippedProposals-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-shippedProposals-2/stdout.txt
index 321dc11d9005..142423001863 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-shippedProposals-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-shippedProposals-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.0-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.0-1/stdout.txt
index 90b83b7b6f19..6cb9ab193876 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.0-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.0-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.0-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.0-2/stdout.txt
index 10eeadb7ba8f..ff909abafa6d 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.0-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.0-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.1-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.1-1/stdout.txt
index 63ef7f85c6c4..3abaa8d8430e 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.1-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.1-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.1-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.1-2/stdout.txt
index 67e0caf8c731..74259ad49c25 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.1-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-versions-strings-minor-3.1-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-1/stdout.txt
index 522417adacbb..1293dc1bbcc2 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-2/stdout.txt
index cad1a4cb03cf..0158254d110d 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-none-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-none-1/stdout.txt
index 08784a1013b6..ed6ab90b7c89 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-none-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-none-1/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-none-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-none-2/stdout.txt
index 98be9c670459..fca7ec61e1e3 100644
--- a/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-none-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug-babel-7/usage-no-corejs-none-2/stdout.txt
@@ -43,7 +43,7 @@ Using plugins:
   transform-unicode-regex { ie }
   transform-spread { ie }
   transform-destructuring { firefox < 53, ie }
-  transform-block-scoping { firefox < 51, ie }
+  transform-block-scoping { firefox < 53, ie }
   transform-typeof-symbol { ie }
   transform-new-target { ie }
   transform-regenerator { firefox < 53, ie }
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/input.js b/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/input.js
new file mode 100644
index 000000000000..bae9926ae938
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/input.js
@@ -0,0 +1,6 @@
+async function test() {
+  const obj = {};
+  for (const ch of ["good", "bad"]) {
+    obj[ch] = () => ch;
+  }
+}
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/options.json b/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/options.json
new file mode 100644
index 000000000000..b10f1463e2c6
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/options.json
@@ -0,0 +1,12 @@
+{
+  "validateLogs": true,
+  "presets": [
+    [
+      "env",
+      {
+        "debug": true,
+        "targets": ["Chrome 49"]
+      }
+    ]
+  ]
+}
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/output.js b/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/output.js
new file mode 100644
index 000000000000..f5dad1b17e36
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/output.js
@@ -0,0 +1,42 @@
+function test() {
+  return _test.apply(this, arguments);
+}
+function _test() {
+  _test = babelHelpers.asyncToGenerator( /*#__PURE__*/babelHelpers.regeneratorRuntime().mark(function _callee() {
+    var obj, _loop, _i, _arr;
+    return babelHelpers.regeneratorRuntime().wrap(function _callee$(_context2) {
+      while (1) switch (_context2.prev = _context2.next) {
+        case 0:
+          obj = {};
+          _loop = /*#__PURE__*/babelHelpers.regeneratorRuntime().mark(function _loop() {
+            var ch;
+            return babelHelpers.regeneratorRuntime().wrap(function _loop$(_context) {
+              while (1) switch (_context.prev = _context.next) {
+                case 0:
+                  ch = _arr[_i];
+                  obj[ch] = () => ch;
+                case 2:
+                case "end":
+                  return _context.stop();
+              }
+            }, _loop);
+          });
+          _i = 0, _arr = ["good", "bad"];
+        case 3:
+          if (!(_i < _arr.length)) {
+            _context2.next = 8;
+            break;
+          }
+          return _context2.delegateYield(_loop(), "t0", 5);
+        case 5:
+          _i++;
+          _context2.next = 3;
+          break;
+        case 8:
+        case "end":
+          return _context2.stop();
+      }
+    }, _callee);
+  }));
+  return _test.apply(this, arguments);
+}
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/stdout.txt b/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/stdout.txt
new file mode 100644
index 000000000000..c56249da9ec0
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/block-scoping-inside-generator/stdout.txt
@@ -0,0 +1,39 @@
+@babel/preset-env: `DEBUG` option
+
+Using targets:
+{
+  "chrome": "49"
+}
+
+Using modules transform: auto
+
+Using plugins:
+  transform-class-static-block { chrome < 94 }
+  transform-private-property-in-object { chrome < 91 }
+  transform-class-properties { chrome < 74 }
+  transform-private-methods { chrome < 84 }
+  transform-numeric-separator { chrome < 75 }
+  transform-logical-assignment-operators { chrome < 85 }
+  transform-nullish-coalescing-operator { chrome < 80 }
+  transform-optional-chaining { chrome < 91 }
+  transform-json-strings { chrome < 66 }
+  transform-optional-catch-binding { chrome < 66 }
+  transform-async-generator-functions { chrome < 63 }
+  transform-object-rest-spread { chrome < 60 }
+  transform-dotall-regex { chrome < 62 }
+  transform-unicode-property-regex { chrome < 64 }
+  transform-named-capturing-groups-regex { chrome < 64 }
+  transform-async-to-generator { chrome < 55 }
+  transform-exponentiation-operator { chrome < 52 }
+  transform-function-name { chrome < 51 }
+  transform-for-of { chrome < 51 }
+  transform-unicode-regex { chrome < 50 }
+  transform-destructuring { chrome < 51 }
+  transform-block-scoping { chrome < 50 }
+  transform-regenerator { chrome < 50 }
+  transform-export-namespace-from { chrome < 72 }
+  transform-modules-commonjs
+  transform-dynamic-import
+  syntax-import-meta
+
+Using polyfills: No polyfills were added, since the `useBuiltIns` option was not set.