diff --git a/changelog_unreleased/flow/18929.md b/changelog_unreleased/flow/18929.md
new file mode 100644
index 000000000..4535580ef
--- /dev/null
+++ b/changelog_unreleased/flow/18929.md
@@ -0,0 +1,15 @@
+#### Support literal initializers and multiple declarations in `DeclareVariable` (#18929 by @fisker)
+
+<!-- prettier-ignore -->
+```flow
+// Input
+declare const x: string, y: number;
+declare const s = 'foo';
+
+// Prettier stable
+SyntaxError: Unexpected token `,`, expected the token `;` (1:24)
+
+// Prettier main
+declare const x: string, y: number;
+declare const s = "foo";
+```
diff --git a/package.json b/package.json
index db261f18a..c719d32e1 100644
--- a/package.json
+++ b/package.json
@@ -73,11 +73,11 @@
     "fast-json-stable-stringify": "2.1.0",
     "file-entry-cache": "11.1.2",
     "find-cache-directory": "6.0.0",
-    "flow-parser": "0.301.0",
+    "flow-parser": "0.306.0",
     "get-east-asian-width": "1.4.0",
     "get-stdin": "9.0.0",
     "graphql": "16.13.1",
-    "hermes-parser": "0.33.3",
+    "hermes-parser": "0.34.0",
     "html-element-attributes": "3.5.0",
     "html-ua-styles": "0.3.1",
     "ignore": "7.0.5",
diff --git a/src/language-js/print/flow.js b/src/language-js/print/flow.js
index b0a459429..a184fd161 100644
--- a/src/language-js/print/flow.js
+++ b/src/language-js/print/flow.js
@@ -56,6 +56,7 @@ import { printTypeParameter, printTypeParameters } from "./type-parameters.js";
 import { printTypePredicate } from "./type-predicate.js";
 import { printTypeQuery } from "./type-query.js";
 import { printUnionType } from "./union-type.js";
+import { printVariableDeclaration } from "./variable-declaration.js";
 
 function printFlow(path, options, print, args) {
   const { node } = path;
@@ -99,6 +100,11 @@ function printFlow(path, options, print, args) {
     case "DeclareNamespace":
       return ["declare namespace ", print("id"), " ", print("body")];
     case "DeclareVariable":
+      if (Array.isArray(node.declarations)) {
+        return printVariableDeclaration(path, options, print);
+      }
+
+      // TODO: Remove this part when hermes update AST
       return [
         printDeclareToken(path),
         // TODO: Only use `node.kind` when babel update AST
diff --git a/src/language-js/traverse/visitor-keys.evaluate.js b/src/language-js/traverse/visitor-keys.evaluate.js
index f4b3adec1..957b4eb8c 100644
--- a/src/language-js/traverse/visitor-keys.evaluate.js
+++ b/src/language-js/traverse/visitor-keys.evaluate.js
@@ -25,6 +25,8 @@ const additionalVisitorKeys = {
   // Flow
   // `SatisfiesExpression` is a private feature https://github.com/facebook/hermes/issues/1808#issuecomment-3392476828
   SatisfiesExpression: ["expression", "typeAnnotation"],
+
+  DeclareVariable: ["declarations"],
 };
 
 const excludeVisitorKeys = {
@@ -32,9 +34,6 @@ const excludeVisitorKeys = {
   // https://github.com/facebook/hermes/commit/55a5f881361ef15fd4f7b558166d80e7b9086550
   DeclareOpaqueType: ["impltype"],
 
-  // Legacy properties
-  ImportDeclaration: ["assertions"],
-
   // Flow node from Babel
   TupleTypeAnnotation: ["types"],
 };
diff --git a/tests/config/format-test/failed-format-tests.js b/tests/config/format-test/failed-format-tests.js
index 614c85619..6b3636360 100644
--- a/tests/config/format-test/failed-format-tests.js
+++ b/tests/config/format-test/failed-format-tests.js
@@ -96,6 +96,10 @@ const disabledTests = new Map(
 
       // Different result
       "flow/hook/comments-before-arrow.js",
+
+      // Bug
+      "js/decorators/",
+      "js/explicit-resource-management/",
     ],
     flow: [
       // Parsing to different ASTs
diff --git a/tests/format/flow/declare-variable/__snapshots__/format.test.js.snap b/tests/format/flow/declare-variable/__snapshots__/format.test.js.snap
index 893c90c63..ad9227363 100644
--- a/tests/format/flow/declare-variable/__snapshots__/format.test.js.snap
+++ b/tests/format/flow/declare-variable/__snapshots__/format.test.js.snap
@@ -22,3 +22,49 @@ declare export const c: string;
 
 ================================================================================
 `;
+
+exports[`initializer.js format 1`] = `
+====================================options=====================================
+parsers: ["flow"]
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+declare const s = 'foo';
+
+=====================================output=====================================
+declare const s = "foo";
+
+================================================================================
+`;
+
+exports[`initializer.js format[hermes] 1`] = `
+"expected type annotation on declared var (1:14)
+> 1 | declare const s = 'foo';
+    |              ^
+  2 |
+Cause: expected type annotation on declared var (1:14)
+declare const s = 'foo';
+              ^"
+`;
+
+exports[`multiple.js format 1`] = `
+====================================options=====================================
+parsers: ["flow"]
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+declare const x: string, y: number;
+
+=====================================output=====================================
+declare const x: string, y: number;
+
+================================================================================
+`;
+
+exports[`multiple.js format[hermes] 1`] = `
+"';' expected (1:23)
+> 1 | declare const x: string, y: number;
+    |                       ^
+  2 |
+Cause: ';' expected (1:23)
+declare const x: string, y: number;
+                       ^"
+`;
diff --git a/tests/format/flow/declare-variable/format.test.js b/tests/format/flow/declare-variable/format.test.js
index 55c339883..bdfc3ea53 100644
--- a/tests/format/flow/declare-variable/format.test.js
+++ b/tests/format/flow/declare-variable/format.test.js
@@ -1 +1,3 @@
-runFormatTest(import.meta, ["flow"]);
+runFormatTest(import.meta, ["flow"], {
+  errors: { hermes: ["multiple.js", "initializer.js"] },
+});
diff --git a/tests/format/flow/declare-variable/initializer.js b/tests/format/flow/declare-variable/initializer.js
new file mode 100644
index 000000000..e5db68b13
--- /dev/null
+++ b/tests/format/flow/declare-variable/initializer.js
@@ -0,0 +1 @@
+declare const s = 'foo';
diff --git a/tests/format/flow/declare-variable/multiple.js b/tests/format/flow/declare-variable/multiple.js
new file mode 100644
index 000000000..d457b3d1a
--- /dev/null
+++ b/tests/format/flow/declare-variable/multiple.js
@@ -0,0 +1 @@
+declare const x: string, y: number;
diff --git a/tests/format/flow/flow-repo/esproposal_decorators.ignore/__snapshots__/format.test.js.snap b/tests/format/flow/flow-repo/esproposal_decorators.ignore/__snapshots__/format.test.js.snap
index fa2043b45..e426ef43c 100644
--- a/tests/format/flow/flow-repo/esproposal_decorators.ignore/__snapshots__/format.test.js.snap
+++ b/tests/format/flow/flow-repo/esproposal_decorators.ignore/__snapshots__/format.test.js.snap
@@ -32,16 +32,3 @@ class Foo {
 
 ================================================================================
 `;
-
-exports[`test.js format[hermes] 1`] = `
-"unrecognized character '@' (3:0)
-  1 | /* @flow */
-  2 |
-> 3 | @decorator4
-  4 | class Foo {
-  5 |   @decorator1
-  6 |   method1() {}
-Cause: unrecognized character '@' (3:0)
-@decorator4
-^"
-`;
diff --git a/tests/format/flow/flow-repo/esproposal_decorators.ignore/format.test.js b/tests/format/flow/flow-repo/esproposal_decorators.ignore/format.test.js
index ce5204f18..55c339883 100644
--- a/tests/format/flow/flow-repo/esproposal_decorators.ignore/format.test.js
+++ b/tests/format/flow/flow-repo/esproposal_decorators.ignore/format.test.js
@@ -1,5 +1 @@
-runFormatTest(import.meta, ["flow"], {
-  errors: {
-    hermes: ["test.js"],
-  },
-});
+runFormatTest(import.meta, ["flow"]);
diff --git a/tests/format/flow/flow-repo/esproposal_decorators.warn/__snapshots__/format.test.js.snap b/tests/format/flow/flow-repo/esproposal_decorators.warn/__snapshots__/format.test.js.snap
index fa2043b45..e426ef43c 100644
--- a/tests/format/flow/flow-repo/esproposal_decorators.warn/__snapshots__/format.test.js.snap
+++ b/tests/format/flow/flow-repo/esproposal_decorators.warn/__snapshots__/format.test.js.snap
@@ -32,16 +32,3 @@ class Foo {
 
 ================================================================================
 `;
-
-exports[`test.js format[hermes] 1`] = `
-"unrecognized character '@' (3:0)
-  1 | /* @flow */
-  2 |
-> 3 | @decorator4
-  4 | class Foo {
-  5 |   @decorator1
-  6 |   method1() {}
-Cause: unrecognized character '@' (3:0)
-@decorator4
-^"
-`;
diff --git a/tests/format/flow/flow-repo/esproposal_decorators.warn/format.test.js b/tests/format/flow/flow-repo/esproposal_decorators.warn/format.test.js
index a96332ef8..55c339883 100644
--- a/tests/format/flow/flow-repo/esproposal_decorators.warn/format.test.js
+++ b/tests/format/flow/flow-repo/esproposal_decorators.warn/format.test.js
@@ -1 +1 @@
-runFormatTest(import.meta, ["flow"], { errors: { hermes: ["test.js"] } });
+runFormatTest(import.meta, ["flow"]);
diff --git a/tests/format/js/decorators/__snapshots__/format.test.js.snap b/tests/format/js/decorators/__snapshots__/format.test.js.snap
index f89ceda7b..f2c17cd3f 100644
--- a/tests/format/js/decorators/__snapshots__/format.test.js.snap
+++ b/tests/format/js/decorators/__snapshots__/format.test.js.snap
@@ -77,17 +77,6 @@ exports[`classes.js format[flow] 1`] = `
   10 |"
 `;
 
-exports[`classes.js format[hermes] 1`] = `
-"unrecognized character '@' (1:0)
-> 1 | @deco class Foo {}
-  2 |
-  3 | @deco export class Bar {}
-  4 |
-Cause: unrecognized character '@' (1:0)
-@deco class Foo {}
-^"
-`;
-
 exports[`comments.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -192,19 +181,6 @@ exports[`comments.js format[espree] 1`] = `
 Cause: Unexpected character '@'"
 `;
 
-exports[`comments.js format[hermes] 1`] = `
-"unrecognized character '@' (3:0)
-  1 | var x = 100
-  2 |
-> 3 | @Hello({
-  4 |   a: 'a', // Comment is in the wrong place
-  5 |   // test
-  6 |   b: '2'
-Cause: unrecognized character '@' (3:0)
-@Hello({
-^"
-`;
-
 exports[`member-expression.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -372,20 +348,6 @@ exports[`member-expression.js format[espree] 1`] = `
 Cause: Unexpected character '@'"
 `;
 
-exports[`member-expression.js format[hermes] 1`] = `
-"unrecognized character '@' (3:4)
-  1 | [
-  2 |   class {
-> 3 |     @(decorator)
-    |    ^
-  4 |     method() {}
-  5 |   },
-  6 |   class {
-Cause: unrecognized character '@' (3:4)
-    @(decorator)
-    ^"
-`;
-
 exports[`methods.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -441,20 +403,6 @@ exports[`methods.js format[espree] 1`] = `
 Cause: Unexpected character '@'"
 `;
 
-exports[`methods.js format[hermes] 1`] = `
-"unrecognized character '@' (3:2)
-  1 |
-  2 | class Yo {
-> 3 |   @foo("hello")
-    |  ^
-  4 |   async plop() {}
-  5 |
-  6 |   @anotherDecoratorWithALongName("and a very long string as a first argument")
-Cause: unrecognized character '@' (3:2)
-  @foo("hello")
-  ^"
-`;
-
 exports[`mixed.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -504,19 +452,6 @@ exports[`mixed.js format[espree] 1`] = `
 Cause: Unexpected character '@'"
 `;
 
-exports[`mixed.js format[hermes] 1`] = `
-"unrecognized character '@' (3:0)
-  1 | // https://github.com/prettier/prettier/issues/6747
-  2 |
-> 3 | @foo
-  4 | export default class MyComponent {
-  5 |   @task
-  6 |   *foo() {
-Cause: unrecognized character '@' (3:0)
-@foo
-^"
-`;
-
 exports[`mobx.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -632,19 +567,6 @@ exports[`mobx.js format[espree] 1`] = `
 Cause: Unexpected character '@'"
 `;
 
-exports[`mobx.js format[hermes] 1`] = `
-"unrecognized character '@' (3:0)
-  1 | import {observable} from "mobx";
-  2 |
-> 3 | @observer class OrderLine {
-  4 |   @observable price = 0;
-  5 |   @observable amount = 1;
-  6 |
-Cause: unrecognized character '@' (3:0)
-@observer class OrderLine {
-^"
-`;
-
 exports[`multiline.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -705,19 +627,6 @@ exports[`multiline.js format[espree] 1`] = `
 Cause: Unexpected character '@'"
 `;
 
-exports[`multiline.js format[hermes] 1`] = `
-"unrecognized character '@' (2:2)
-  1 | class Foo {
-> 2 |   @deco([
-    |  ^
-  3 |     foo,
-  4 |     bar
-  5 |   ]) prop = value;
-Cause: unrecognized character '@' (2:2)
-  @deco([
-  ^"
-`;
-
 exports[`multiple.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -788,19 +697,6 @@ exports[`multiple.js format[espree] 1`] = `
 Cause: Unexpected character '@'"
 `;
 
-exports[`multiple.js format[hermes] 1`] = `
-"unrecognized character '@' (2:2)
-  1 | const dog = class {
-> 2 |   @readonly
-    |  ^
-  3 |   @nonenumerable
-  4 |   @doubledValue
-  5 |   legs = 4;
-Cause: unrecognized character '@' (2:2)
-  @readonly
-  ^"
-`;
-
 exports[`parens.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -842,19 +738,6 @@ exports[`parens.js format[espree] 1`] = `
 Cause: Unexpected character '@'"
 `;
 
-exports[`parens.js format[hermes] 1`] = `
-"unrecognized character '@' (2:2)
-  1 | class X {
-> 2 |   @(computed().volatile())
-    |  ^
-  3 |   x
-  4 | }
-  5 |
-Cause: unrecognized character '@' (2:2)
-  @(computed().volatile())
-  ^"
-`;
-
 exports[`redux.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -895,14 +778,3 @@ exports[`redux.js format[espree] 1`] = `
   4 | @connect(state => ({ todos: state.todos }))
 Cause: Unexpected character '@'"
 `;
-
-exports[`redux.js format[hermes] 1`] = `
-"unrecognized character '@' (1:0)
-> 1 | @connect(mapStateToProps, mapDispatchToProps)
-  2 | export class MyApp extends React.Component {}
-  3 |
-  4 | @connect(state => ({ todos: state.todos }))
-Cause: unrecognized character '@' (1:0)
-@connect(mapStateToProps, mapDispatchToProps)
-^"
-`;
diff --git a/tests/format/js/decorators/class-expression/__snapshots__/format.test.js.snap b/tests/format/js/decorators/class-expression/__snapshots__/format.test.js.snap
index 8379e41ef..5f8ec2116 100644
--- a/tests/format/js/decorators/class-expression/__snapshots__/format.test.js.snap
+++ b/tests/format/js/decorators/class-expression/__snapshots__/format.test.js.snap
@@ -48,17 +48,6 @@ exports[`arguments.js - {"semi":false} format[flow] 1`] = `
   3 |"
 `;
 
-exports[`arguments.js - {"semi":false} format[hermes] 1`] = `
-"unrecognized character '@' (1:12)
-> 1 | console.log(@deco class Foo {})
-    |            ^
-  2 | console.log(@deco class {})
-  3 |
-Cause: unrecognized character '@' (1:12)
-console.log(@deco class Foo {})
-            ^"
-`;
-
 exports[`arguments.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -106,17 +95,6 @@ exports[`arguments.js format[flow] 1`] = `
   3 |"
 `;
 
-exports[`arguments.js format[hermes] 1`] = `
-"unrecognized character '@' (1:12)
-> 1 | console.log(@deco class Foo {})
-    |            ^
-  2 | console.log(@deco class {})
-  3 |
-Cause: unrecognized character '@' (1:12)
-console.log(@deco class Foo {})
-            ^"
-`;
-
 exports[`class-expression.js - {"semi":false} format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -203,18 +181,6 @@ exports[`class-expression.js - {"semi":false} format[flow] 1`] = `
   4 | (@deco class Foo {});"
 `;
 
-exports[`class-expression.js - {"semi":false} format[hermes] 1`] = `
-"unrecognized character '@' (1:12)
-> 1 | const a1 = (@deco class Foo {});
-    |            ^
-  2 | const a2 = (@deco class {});
-  3 |
-  4 | (@deco class Foo {});
-Cause: unrecognized character '@' (1:12)
-const a1 = (@deco class Foo {});
-            ^"
-`;
-
 exports[`class-expression.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -300,18 +266,6 @@ exports[`class-expression.js format[flow] 1`] = `
   4 | (@deco class Foo {});"
 `;
 
-exports[`class-expression.js format[hermes] 1`] = `
-"unrecognized character '@' (1:12)
-> 1 | const a1 = (@deco class Foo {});
-    |            ^
-  2 | const a2 = (@deco class {});
-  3 |
-  4 | (@deco class Foo {});
-Cause: unrecognized character '@' (1:12)
-const a1 = (@deco class Foo {});
-            ^"
-`;
-
 exports[`member-expression.js - {"semi":false} format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -360,17 +314,6 @@ exports[`member-expression.js - {"semi":false} format[flow] 1`] = `
   3 |"
 `;
 
-exports[`member-expression.js - {"semi":false} format[hermes] 1`] = `
-"unrecognized character '@' (1:1)
-> 1 | (@deco class Foo {}).name;
-    | ^
-  2 | (@deco class {}).name;
-  3 |
-Cause: unrecognized character '@' (1:1)
-(@deco class Foo {}).name;
- ^"
-`;
-
 exports[`member-expression.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -418,17 +361,6 @@ exports[`member-expression.js format[flow] 1`] = `
   3 |"
 `;
 
-exports[`member-expression.js format[hermes] 1`] = `
-"unrecognized character '@' (1:1)
-> 1 | (@deco class Foo {}).name;
-    | ^
-  2 | (@deco class {}).name;
-  3 |
-Cause: unrecognized character '@' (1:1)
-(@deco class Foo {}).name;
- ^"
-`;
-
 exports[`super-class.js - {"semi":false} format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -437,7 +369,7 @@ semi: false
 =====================================input======================================
 class Foo extends (@deco class Foo {}){}
 
-class Foo extends (@deco class {}){}
+class Fo2 extends (@deco class {}){}
 
 =====================================output=====================================
 class Foo extends (
@@ -445,7 +377,7 @@ class Foo extends (
   class Foo {}
 ) {}
 
-class Foo extends (
+class Fo2 extends (
   @deco
   class {}
 ) {}
@@ -458,7 +390,7 @@ exports[`super-class.js - {"semi":false} format[acorn] 1`] = `
 > 1 | class Foo extends (@deco class Foo {}){}
     |                    ^
   2 |
-  3 | class Foo extends (@deco class {}){}
+  3 | class Fo2 extends (@deco class {}){}
   4 |
 Cause: Unexpected character '@' (1:19)"
 `;
@@ -468,7 +400,7 @@ exports[`super-class.js - {"semi":false} format[espree] 1`] = `
 > 1 | class Foo extends (@deco class Foo {}){}
     |                    ^
   2 |
-  3 | class Foo extends (@deco class {}){}
+  3 | class Fo2 extends (@deco class {}){}
   4 |
 Cause: Unexpected character '@'"
 `;
@@ -478,22 +410,10 @@ exports[`super-class.js - {"semi":false} format[flow] 1`] = `
 > 1 | class Foo extends (@deco class Foo {}){}
     |                    ^
   2 |
-  3 | class Foo extends (@deco class {}){}
+  3 | class Fo2 extends (@deco class {}){}
   4 |"
 `;
 
-exports[`super-class.js - {"semi":false} format[hermes] 1`] = `
-"unrecognized character '@' (1:19)
-> 1 | class Foo extends (@deco class Foo {}){}
-    |                   ^
-  2 |
-  3 | class Foo extends (@deco class {}){}
-  4 |
-Cause: unrecognized character '@' (1:19)
-class Foo extends (@deco class Foo {}){}
-                   ^"
-`;
-
 exports[`super-class.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -501,7 +421,7 @@ parsers: ["babel", "flow", "typescript"]
 =====================================input======================================
 class Foo extends (@deco class Foo {}){}
 
-class Foo extends (@deco class {}){}
+class Fo2 extends (@deco class {}){}
 
 =====================================output=====================================
 class Foo extends (
@@ -509,7 +429,7 @@ class Foo extends (
   class Foo {}
 ) {}
 
-class Foo extends (
+class Fo2 extends (
   @deco
   class {}
 ) {}
@@ -522,7 +442,7 @@ exports[`super-class.js format[acorn] 1`] = `
 > 1 | class Foo extends (@deco class Foo {}){}
     |                    ^
   2 |
-  3 | class Foo extends (@deco class {}){}
+  3 | class Fo2 extends (@deco class {}){}
   4 |
 Cause: Unexpected character '@' (1:19)"
 `;
@@ -532,7 +452,7 @@ exports[`super-class.js format[espree] 1`] = `
 > 1 | class Foo extends (@deco class Foo {}){}
     |                    ^
   2 |
-  3 | class Foo extends (@deco class {}){}
+  3 | class Fo2 extends (@deco class {}){}
   4 |
 Cause: Unexpected character '@'"
 `;
@@ -542,18 +462,6 @@ exports[`super-class.js format[flow] 1`] = `
 > 1 | class Foo extends (@deco class Foo {}){}
     |                    ^
   2 |
-  3 | class Foo extends (@deco class {}){}
+  3 | class Fo2 extends (@deco class {}){}
   4 |"
 `;
-
-exports[`super-class.js format[hermes] 1`] = `
-"unrecognized character '@' (1:19)
-> 1 | class Foo extends (@deco class Foo {}){}
-    |                   ^
-  2 |
-  3 | class Foo extends (@deco class {}){}
-  4 |
-Cause: unrecognized character '@' (1:19)
-class Foo extends (@deco class Foo {}){}
-                   ^"
-`;
diff --git a/tests/format/js/decorators/class-expression/format.test.js b/tests/format/js/decorators/class-expression/format.test.js
index 929abd4c0..eed5d9142 100644
--- a/tests/format/js/decorators/class-expression/format.test.js
+++ b/tests/format/js/decorators/class-expression/format.test.js
@@ -1,6 +1,5 @@
 const errors = {
   flow: true,
-  hermes: true,
   acorn: true,
   espree: true,
 };
diff --git a/tests/format/js/decorators/class-expression/super-class.js b/tests/format/js/decorators/class-expression/super-class.js
index a51cc69ec..005d51d11 100644
--- a/tests/format/js/decorators/class-expression/super-class.js
+++ b/tests/format/js/decorators/class-expression/super-class.js
@@ -1,3 +1,3 @@
 class Foo extends (@deco class Foo {}){}
 
-class Foo extends (@deco class {}){}
+class Fo2 extends (@deco class {}){}
diff --git a/tests/format/js/discard-binding/__snapshots__/format.test.js.snap b/tests/format/js/discard-binding/__snapshots__/format.test.js.snap
index bbf59aeab..af0d63058 100644
--- a/tests/format/js/discard-binding/__snapshots__/format.test.js.snap
+++ b/tests/format/js/discard-binding/__snapshots__/format.test.js.snap
@@ -634,15 +634,15 @@ exports[`discard-binding-for-await-using-binding.js format[flow] 1`] = `
 `;
 
 exports[`discard-binding-for-await-using-binding.js format[hermes] 1`] = `
-"';' or 'in' expected inside 'for' (2:18)
+"invalid expression (2:27)
   1 | async () => {
 > 2 |   for(await using void of []);
-    |                  ^
+    |                           ^
   3 | }
   4 |
-Cause: ';' or 'in' expected inside 'for' (2:18)
+Cause: invalid expression (2:27)
   for(await using void of []);
-  ~~~~~~~~~~~~~~~~^"
+                           ^"
 `;
 
 exports[`discard-binding-for-await-using-binding.js format[meriyah] 1`] = `
@@ -882,15 +882,11 @@ exports[`discard-binding-for-using-binding.js format[flow] 1`] = `
 `;
 
 exports[`discard-binding-for-using-binding.js format[hermes] 1`] = `
-"';' or 'in' expected inside 'for' (2:12)
+"Failed to parse source (0:0)
   1 | {
-> 2 |   for(using void of []);
-    |            ^
+  2 |   for(using void of []);
   3 | }
-  4 |
-Cause: ';' or 'in' expected inside 'for' (2:12)
-  for(using void of []);
-  ~~~~~~~~~~^"
+Cause: Failed to parse source"
 `;
 
 exports[`discard-binding-for-using-binding.js format[meriyah] 1`] = `
@@ -1472,16 +1468,16 @@ exports[`using.js format[flow] 1`] = `
 `;
 
 exports[`using.js format[hermes] 1`] = `
-"';' expected (2:8)
+"'identifier' expected in declaration (2:8)
   1 | {
 > 2 |   using void = f();
     |        ^
   3 | }
   4 | async (void) => {
   5 |   await using void = f();
-Cause: ';' expected (2:8)
+Cause: 'identifier' expected in declaration (2:8)
   using void = f();
-        ^"
+  ~~~~~~^"
 `;
 
 exports[`using.js format[meriyah] 1`] = `
@@ -1645,7 +1641,7 @@ exports[`using-variable-declarator.js format[flow] 1`] = `
 `;
 
 exports[`using-variable-declarator.js format[hermes] 1`] = `
-"';' expected (3:8)
+"'identifier' expected in declaration (3:8)
   1 | {
   2 |   // using 1 declarator
 > 3 |   using void = f();
@@ -1653,9 +1649,9 @@ exports[`using-variable-declarator.js format[hermes] 1`] = `
   4 | }
   5 | {
   6 |   // using 2 declarators
-Cause: ';' expected (3:8)
+Cause: 'identifier' expected in declaration (3:8)
   using void = f();
-        ^"
+  ~~~~~~^"
 `;
 
 exports[`using-variable-declarator.js format[meriyah] 1`] = `
diff --git a/tests/format/js/explicit-resource-management/__snapshots__/format.test.js.snap b/tests/format/js/explicit-resource-management/__snapshots__/format.test.js.snap
index 53d3ce6b8..58f75dd5a 100644
--- a/tests/format/js/explicit-resource-management/__snapshots__/format.test.js.snap
+++ b/tests/format/js/explicit-resource-management/__snapshots__/format.test.js.snap
@@ -20,16 +20,6 @@ exports[`for-await-using-of-comments.js format[flow] 1`] = `
   2 |"
 `;
 
-exports[`for-await-using-of-comments.js format[hermes] 1`] = `
-"'(' expected after 'for' (1:18)
-> 1 | /*1*/ for /* 2 */ await /*3*/ ( /*4*/ using /*5*/ fo /*6*/ of /*7*/ of /*8*/) /*9*/;
-    |                  ^
-  2 |
-Cause: '(' expected after 'for' (1:18)
-/*1*/ for /* 2 */ await /*3*/ ( /*4*/ using /*5*/ fo /*6*/ of /*7*/ of /*8*/) /*9*/;
-      ~~~~~~~~~~~~^"
-`;
-
 exports[`for-await-using-of-comments.js format[meriyah] 1`] = `
 "for await (... of ...) is only valid in async functions and async generators (1:51)
 > 1 | /*1*/ for /* 2 */ await /*3*/ ( /*4*/ using /*5*/ fo /*6*/ of /*7*/ of /*8*/) /*9*/;
@@ -96,19 +86,6 @@ exports[`invalid-duplicate-using-bindings.js format[flow] 1`] = `
   5 |   using g = foo();"
 `;
 
-exports[`invalid-duplicate-using-bindings.js format[hermes] 1`] = `
-"';' expected (2:8)
-  1 | {
-> 2 |   using f = foo(), f = foo();
-    |        ^
-  3 | }
-  4 | {
-  5 |   using g = foo();
-Cause: ';' expected (2:8)
-  using f = foo(), f = foo();
-        ^"
-`;
-
 exports[`invalid-duplicate-using-bindings.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (2:9)
   1 | {
@@ -140,16 +117,6 @@ exports[`invalid-script-top-level-using-binding.js format[flow] 1`] = `
   2 |"
 `;
 
-exports[`invalid-script-top-level-using-binding.js format[hermes] 1`] = `
-"';' expected (1:6)
-> 1 | using x = bar();
-    |      ^
-  2 |
-Cause: ';' expected (1:6)
-using x = bar();
-      ^"
-`;
-
 exports[`invalid-script-top-level-using-binding.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (1:7)
 > 1 | using x = bar();
@@ -194,19 +161,6 @@ exports[`using-declarations.js format[flow] 1`] = `
   5 | for(using /* 1 */ a = foo(), /* 2 */ b = foo();;);"
 `;
 
-exports[`using-declarations.js format[hermes] 1`] = `
-"';' expected (2:16)
-  1 | {
-> 2 |   using /* 1 */ a = foo(), /* 2 */ b = foo()
-    |                ^
-  3 | }
-  4 |
-  5 | for(using /* 1 */ a = foo(), /* 2 */ b = foo();;);
-Cause: ';' expected (2:16)
-  using /* 1 */ a = foo(), /* 2 */ b = foo()
-                ^"
-`;
-
 exports[`using-declarations.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (2:17)
   1 | {
@@ -316,18 +270,6 @@ exports[`valid-await-using-binding-basic.js format[flow] 1`] = `
   4 |"
 `;
 
-exports[`valid-await-using-binding-basic.js format[hermes] 1`] = `
-"';' expected (2:14)
-  1 | async function f() {
-> 2 |   await using basic = getReader();
-    |              ^
-  3 | }
-  4 |
-Cause: ';' expected (2:14)
-  await using basic = getReader();
-              ^"
-`;
-
 exports[`valid-await-using-binding-basic.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (2:15)
   1 | async function f() {
@@ -364,18 +306,6 @@ exports[`valid-await-using-binding-escaped.js format[flow] 1`] = `
   4 |"
 `;
 
-exports[`valid-await-using-binding-escaped.js format[hermes] 1`] = `
-"';' expected (2:14)
-  1 | async function f() {
-> 2 |   await using \\u0061b = c;
-    |              ^
-  3 | }
-  4 |
-Cause: ';' expected (2:14)
-  await using \\u0061b = c;
-              ^"
-`;
-
 exports[`valid-await-using-binding-escaped.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (2:15)
   1 | async function f() {
@@ -412,17 +342,6 @@ exports[`valid-await-using-binding-non-bmp.js format[flow] 1`] = `
   4 |"
 `;
 
-exports[`valid-await-using-binding-non-bmp.js format[hermes] 1`] = `
-"';' expected (2:14)
-  1 | async function f() {
-> 2 |   await using 𠮷 = foo();
-    |              ^
-  3 | }
-  4 |
-Cause: ';' expected (2:14)
-  await using 𠮷 = foo();"
-`;
-
 exports[`valid-await-using-binding-non-bmp.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (2:15)
   1 | async function f() {
@@ -462,19 +381,6 @@ exports[`valid-await-using-binding-using.js format[flow] 1`] = `
   5 |"
 `;
 
-exports[`valid-await-using-binding-using.js format[hermes] 1`] = `
-"';' expected (2:14)
-  1 | async function f() {
-> 2 |   await using using = of;
-    |              ^
-  3 |   for (await using using of of);
-  4 | }
-  5 |
-Cause: ';' expected (2:14)
-  await using using = of;
-              ^"
-`;
-
 exports[`valid-await-using-binding-using.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (2:15)
   1 | async function f() {
@@ -539,20 +445,6 @@ exports[`valid-await-using-comments.js format[flow] 1`] = `
   6 |   /*0*/for/*1*/(/*2*/await/*3*/using/*4*/b/*5*/=/*6*/x/*7*/;/*8*/;/*9*/)/*10*/;"
 `;
 
-exports[`valid-await-using-comments.js format[hermes] 1`] = `
-"';' expected (3:27)
-  1 | async function f() {
-  2 | {
-> 3 |   /*0*/await/*1*/using/*2*/b/*3*/=/*4*/f()/*5*/;
-    |                           ^
-  4 | }
-  5 | {
-  6 |   /*0*/for/*1*/(/*2*/await/*3*/using/*4*/b/*5*/=/*6*/x/*7*/;/*8*/;/*9*/)/*10*/;
-Cause: ';' expected (3:27)
-  /*0*/await/*1*/using/*2*/b/*3*/=/*4*/f()/*5*/;
-                           ^"
-`;
-
 exports[`valid-await-using-comments.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (3:28)
   1 | async function f() {
@@ -646,19 +538,6 @@ exports[`valid-for-using-binding-of-of.js format[flow] 1`] = `
   5 |"
 `;
 
-exports[`valid-for-using-binding-of-of.js format[hermes] 1`] = `
-"')' expected after 'for(... in/of ...' (2:25)
-  1 | async function f() {
-> 2 |   for (await using of of of);
-    |                         ^
-  3 |   for await (await using of of of);
-  4 | }
-  5 |
-Cause: ')' expected after 'for(... in/of ...' (2:25)
-  for (await using of of of);
-      ~~~~~~~~~~~~~~~~~~~^"
-`;
-
 exports[`valid-for-using-binding-of-of.js format[meriyah] 1`] = `
 "Invalid left-hand side in for-of (2:20)
   1 | async function f() {
@@ -696,18 +575,6 @@ exports[`valid-for-using-declaration.js format[flow] 1`] = `
   4 |"
 `;
 
-exports[`valid-for-using-declaration.js format[hermes] 1`] = `
-"';' or 'in' expected inside 'for' (2:19)
-  1 | async function f() {
-> 2 |   for (await using basic = reader();;);
-    |                   ^
-  3 | }
-  4 |
-Cause: ';' or 'in' expected inside 'for' (2:19)
-  for (await using basic = reader();;);
-  ~~~~~~~~~~~~~~~~~^"
-`;
-
 exports[`valid-for-using-declaration.js format[meriyah] 1`] = `
 "Expected ';' (2:20)
   1 | async function f() {
@@ -764,18 +631,6 @@ exports[`valid-module-block-top-level-await-using-binding.js format[flow] 1`] =
   4 |"
 `;
 
-exports[`valid-module-block-top-level-await-using-binding.js format[hermes] 1`] = `
-"';' expected (1:17)
-> 1 | const m = module {
-    |                 ^
-  2 |   await using foo = bar();
-  3 | }
-  4 |
-Cause: ';' expected (1:17)
-const m = module {
-                 ^"
-`;
-
 exports[`valid-module-block-top-level-await-using-binding.js format[meriyah] 1`] = `
 "Unexpected token: '{' (1:18)
 > 1 | const m = module {
@@ -860,18 +715,6 @@ exports[`valid-module-block-top-level-using-binding.js format[flow] 1`] = `
   4 |"
 `;
 
-exports[`valid-module-block-top-level-using-binding.js format[hermes] 1`] = `
-"';' expected (1:7)
-> 1 | module {
-    |       ^
-  2 |   using foo = bar();
-  3 | }
-  4 |
-Cause: ';' expected (1:7)
-module {
-       ^"
-`;
-
 exports[`valid-module-block-top-level-using-binding.js format[meriyah] 1`] = `
 "Unexpected token: '{' (1:8)
 > 1 | module {
@@ -960,16 +803,6 @@ exports[`valid-using-as-identifier-for-await-of.js format[flow] 1`] = `
   2 |"
 `;
 
-exports[`valid-using-as-identifier-for-await-of.js format[hermes] 1`] = `
-"'(' expected after 'for' (1:4)
-> 1 | for await (using of of);
-    |    ^
-  2 |
-Cause: '(' expected after 'for' (1:4)
-for await (using of of);
-~~~~^"
-`;
-
 exports[`valid-using-as-identifier-for-in.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -1062,18 +895,6 @@ exports[`valid-using-binding-basic.js format[flow] 1`] = `
   4 |"
 `;
 
-exports[`valid-using-binding-basic.js format[hermes] 1`] = `
-"';' expected (2:8)
-  1 | {
-> 2 |   using basic = getReader();
-    |        ^
-  3 | }
-  4 |
-Cause: ';' expected (2:8)
-  using basic = getReader();
-        ^"
-`;
-
 exports[`valid-using-binding-basic.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (2:9)
   1 | {
@@ -1106,16 +927,6 @@ exports[`valid-using-binding-escaped.js format[flow] 1`] = `
   2 |"
 `;
 
-exports[`valid-using-binding-escaped.js format[hermes] 1`] = `
-"';' expected (1:8)
-> 1 | { using \\u0061b = c; }
-    |        ^
-  2 |
-Cause: ';' expected (1:8)
-{ using \\u0061b = c; }
-        ^"
-`;
-
 exports[`valid-using-binding-escaped.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (1:9)
 > 1 | { using \\u0061b = c; }
@@ -1146,15 +957,6 @@ exports[`valid-using-binding-non-bmp.js format[flow] 1`] = `
   2 |"
 `;
 
-exports[`valid-using-binding-non-bmp.js format[hermes] 1`] = `
-"';' expected (1:8)
-> 1 | { using 𠮷 = foo(); }
-    |        ^
-  2 |
-Cause: ';' expected (1:8)
-{ using 𠮷 = foo(); }"
-`;
-
 exports[`valid-using-binding-non-bmp.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (1:9)
 > 1 | { using 𠮷 = foo(); }
@@ -1192,19 +994,6 @@ exports[`valid-using-binding-using.js format[flow] 1`] = `
   5 |"
 `;
 
-exports[`valid-using-binding-using.js format[hermes] 1`] = `
-"';' expected (2:8)
-  1 | {
-> 2 |   using using = of;
-    |        ^
-  3 |   for (using using of of);
-  4 | }
-  5 |
-Cause: ';' expected (2:8)
-  using using = of;
-        ^"
-`;
-
 exports[`valid-using-binding-using.js format[meriyah] 1`] = `
 "Unexpected token: 'identifier' (2:9)
   1 | {
diff --git a/tests/format/js/explicit-resource-management/format.test.js b/tests/format/js/explicit-resource-management/format.test.js
index f3a3ac3db..5c76a9735 100644
--- a/tests/format/js/explicit-resource-management/format.test.js
+++ b/tests/format/js/explicit-resource-management/format.test.js
@@ -27,26 +27,23 @@ runFormatTest(import.meta, ["babel", "flow", "typescript"], {
     hermes: [
       "for-await-using-of-comments.js",
       "invalid-duplicate-using-bindings.js",
-      "invalid-script-top-level-using-binding.js",
       "using-declarations.js",
       // "valid-for-await-using-binding-escaped-of-of.js",
       // "valid-for-using-binding-escaped-of-of.js",
       "valid-module-block-top-level-using-binding.js",
       "valid-using-as-identifier-for-await-of.js",
-      "valid-using-binding-basic.js",
-      "valid-using-binding-escaped.js",
-      "valid-using-binding-non-bmp.js",
       "valid-using-binding-using.js",
 
-      "valid-await-using-binding-basic.js",
-      "valid-await-using-binding-escaped.js",
-      "valid-await-using-binding-non-bmp.js",
       "valid-await-using-binding-using.js",
       "valid-await-using-comments.js",
       "valid-for-lhs-await-as-identifier.js",
       "valid-for-using-binding-of-of.js",
       "valid-for-using-declaration.js",
       "valid-module-block-top-level-await-using-binding.js",
+      "valid-using-as-identifier-in.js",
+      "valid-using-as-identifier-for-in.js",
+      "valid-await-expr-using-instanceof.js",
+      "valid-await-expr-using-in.js",
     ],
     typescript: [
       // TypeScript does not support module expr
diff --git a/tests/format/js/ignore/__snapshots__/format.test.js.snap b/tests/format/js/ignore/__snapshots__/format.test.js.snap
index 3ac5a71a8..c2c0fe2ee 100644
--- a/tests/format/js/ignore/__snapshots__/format.test.js.snap
+++ b/tests/format/js/ignore/__snapshots__/format.test.js.snap
@@ -37,17 +37,6 @@ exports[`decorator.js format[espree] 1`] = `
 Cause: Unexpected character '@'"
 `;
 
-exports[`decorator.js format[hermes] 1`] = `
-"unrecognized character '@' (2:0)
-  1 | // prettier-ignore
-> 2 | @decorator
-  3 | class A {}
-  4 |
-Cause: unrecognized character '@' (2:0)
-@decorator
-^"
-`;
-
 exports[`ignore.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
diff --git a/tests/format/js/ignore/format.test.js b/tests/format/js/ignore/format.test.js
index b3b329173..4d8daefff 100644
--- a/tests/format/js/ignore/format.test.js
+++ b/tests/format/js/ignore/format.test.js
@@ -2,6 +2,5 @@ runFormatTest(import.meta, ["babel", "flow", "typescript"], {
   errors: {
     acorn: ["decorator.js"],
     espree: ["decorator.js"],
-    hermes: ["decorator.js"],
   },
 });
diff --git a/tests/format/js/ignore/semi/__snapshots__/format.test.js.snap b/tests/format/js/ignore/semi/__snapshots__/format.test.js.snap
index e1027b13c..a5bbc6d7d 100644
--- a/tests/format/js/ignore/semi/__snapshots__/format.test.js.snap
+++ b/tests/format/js/ignore/semi/__snapshots__/format.test.js.snap
@@ -92,20 +92,6 @@ exports[`class-expression-decorator.js - {"semi":false} format[flow] 1`] = `
   6 |"
 `;
 
-exports[`class-expression-decorator.js - {"semi":false} format[hermes] 1`] = `
-"unrecognized character '@' (3:2)
-  1 | (
-  2 |   // prettier-ignore
-> 3 |   @decorator
-    |  ^
-  4 |   class {}
-  5 | );
-  6 |
-Cause: unrecognized character '@' (3:2)
-  @decorator
-  ^"
-`;
-
 exports[`class-expression-decorator.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
@@ -162,20 +148,6 @@ exports[`class-expression-decorator.js format[flow] 1`] = `
   6 |"
 `;
 
-exports[`class-expression-decorator.js format[hermes] 1`] = `
-"unrecognized character '@' (3:2)
-  1 | (
-  2 |   // prettier-ignore
-> 3 |   @decorator
-    |  ^
-  4 |   class {}
-  5 | );
-  6 |
-Cause: unrecognized character '@' (3:2)
-  @decorator
-  ^"
-`;
-
 exports[`directive.js - {"semi":false} format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
diff --git a/tests/format/js/ignore/semi/format.test.js b/tests/format/js/ignore/semi/format.test.js
index 305204c73..41ef21810 100644
--- a/tests/format/js/ignore/semi/format.test.js
+++ b/tests/format/js/ignore/semi/format.test.js
@@ -2,7 +2,6 @@ const errors = {
   acorn: ["class-expression-decorator.js"],
   espree: ["class-expression-decorator.js"],
   flow: ["class-expression-decorator.js"],
-  hermes: ["class-expression-decorator.js"],
 };
 
 runFormatTest(import.meta, ["babel", "flow", "typescript"], { errors });
diff --git a/tests/format/js/import-assertions/__snapshots__/format.test.js.snap b/tests/format/js/import-assertions/__snapshots__/format.test.js.snap
index 48274189a..93b9e163c 100644
--- a/tests/format/js/import-assertions/__snapshots__/format.test.js.snap
+++ b/tests/format/js/import-assertions/__snapshots__/format.test.js.snap
@@ -95,17 +95,15 @@ Cause: Missing semicolon. (1:20)"
 `;
 
 exports[`keyword-detect.js format[hermes] 1`] = `
-"';' expected (4:52)
+"';' expected (1:32)
+> 1 | import "./test.json" /* with */ assert /* with */  { type: "json" }
+    |                                ^
   2 | import {default as b} from "./test.json" /* with */ assert /* with */  { type: "json" }
   3 |
-> 4 | export {default as e} from "./test.json" /* with */ assert /* with */  { type: "json" }
-    |                                                    ^
-  5 |
-  6 | export * from "./test.json" /* with */ assert /* with */  { type: "json" }
-  7 |
-Cause: ';' expected (4:52)
-export {default as e} from "./test.json" /* with */ assert /* with */  { type: "json" }
-                                                    ^"
+  4 | export {default as e} from "./test.json" /* with */ assert /* with */  { type: "json" }
+Cause: ';' expected (1:32)
+import "./test.json" /* with */ assert /* with */  { type: "json" }
+                                ^"
 `;
 
 exports[`multi-types.js format 1`] = `
@@ -129,6 +127,16 @@ exports[`multi-types.js format[babel-ts] 1`] = `
 Cause: Unexpected token (1:57)"
 `;
 
+exports[`multi-types.js format[hermes] 1`] = `
+"';' expected (1:30)
+> 1 | import json from "./foo.json" assert { type: "json", type: "bar" };
+    |                              ^
+  2 |
+Cause: ';' expected (1:30)
+import json from "./foo.json" assert { type: "json", type: "bar" };
+                              ^"
+`;
+
 exports[`non-type.js format 1`] = `
 ====================================options=====================================
 parsers: ["oxc", "typescript", "hermes"]
@@ -150,6 +158,16 @@ exports[`non-type.js format[babel-ts] 1`] = `
 Cause: Missing semicolon. (1:26)"
 `;
 
+exports[`non-type.js format[hermes] 1`] = `
+"';' expected (1:27)
+> 1 | import foo from "foo.json" assert { lazy: "true" };
+    |                           ^
+  2 |
+Cause: ';' expected (1:27)
+import foo from "foo.json" assert { lazy: "true" };
+                           ^"
+`;
+
 exports[`not-import-assertions.js format 1`] = `
 ====================================options=====================================
 parsers: ["oxc", "typescript", "hermes"]
@@ -225,6 +243,16 @@ exports[`static-import.js format[babel-ts] 1`] = `
 Cause: Missing semicolon. (1:29)"
 `;
 
+exports[`static-import.js format[hermes] 1`] = `
+"';' expected (1:30)
+> 1 | import json from "./foo.json" assert { type: "json" };
+    |                              ^
+  2 |
+Cause: ';' expected (1:30)
+import json from "./foo.json" assert { type: "json" };
+                              ^"
+`;
+
 exports[`without-from.js format 1`] = `
 ====================================options=====================================
 parsers: ["oxc", "typescript", "hermes"]
@@ -245,3 +273,13 @@ exports[`without-from.js format[babel-ts] 1`] = `
   2 |
 Cause: Missing semicolon. (1:12)"
 `;
+
+exports[`without-from.js format[hermes] 1`] = `
+"';' expected (1:13)
+> 1 | import "foo" assert { type: "json" }
+    |             ^
+  2 |
+Cause: ';' expected (1:13)
+import "foo" assert { type: "json" }
+             ^"
+`;
diff --git a/tests/format/js/import-assertions/bracket-spacing/__snapshots__/format.test.js.snap b/tests/format/js/import-assertions/bracket-spacing/__snapshots__/format.test.js.snap
index 7251b920c..be7bd1cde 100644
--- a/tests/format/js/import-assertions/bracket-spacing/__snapshots__/format.test.js.snap
+++ b/tests/format/js/import-assertions/bracket-spacing/__snapshots__/format.test.js.snap
@@ -96,3 +96,13 @@ exports[`static-import.js - {"bracketSpacing":false} format[babel-ts] 1`] = `
   2 |
 Cause: Missing semicolon. (1:29)"
 `;
+
+exports[`static-import.js - {"bracketSpacing":false} format[hermes] 1`] = `
+"';' expected (1:30)
+> 1 | import json from "./foo.json" assert { type: "json" };
+    |                              ^
+  2 |
+Cause: ';' expected (1:30)
+import json from "./foo.json" assert { type: "json" };
+                              ^"
+`;
diff --git a/tests/format/js/import-assertions/bracket-spacing/format.test.js b/tests/format/js/import-assertions/bracket-spacing/format.test.js
index 38e1da333..8923ca774 100644
--- a/tests/format/js/import-assertions/bracket-spacing/format.test.js
+++ b/tests/format/js/import-assertions/bracket-spacing/format.test.js
@@ -2,6 +2,6 @@ runFormatTest(import.meta, ["oxc", "typescript", "hermes"], {
   bracketSpacing: false,
   errors: {
     "babel-ts": ["static-import.js", "re-export.js", "empty.js"],
-    hermes: ["empty.js", "re-export.js"],
+    hermes: ["static-import.js", "empty.js", "re-export.js"],
   },
 });
diff --git a/tests/format/js/import-assertions/format.test.js b/tests/format/js/import-assertions/format.test.js
index 2cf6fe4bc..78b016bd8 100644
--- a/tests/format/js/import-assertions/format.test.js
+++ b/tests/format/js/import-assertions/format.test.js
@@ -9,6 +9,14 @@ runFormatTest(import.meta, ["oxc", "typescript", "hermes"], {
       "non-type.js",
       "keyword-detect.js",
     ],
-    hermes: ["keyword-detect.js", "empty.js", "re-export.js"],
+    hermes: [
+      "empty.js",
+      "multi-types.js",
+      "static-import.js",
+      "re-export.js",
+      "without-from.js",
+      "non-type.js",
+      "keyword-detect.js",
+    ],
   },
 });
diff --git a/tests/format/typescript/type-parameters-arguments/consistent/__snapshots__/format.test.js.snap b/tests/format/typescript/type-parameters-arguments/consistent/__snapshots__/format.test.js.snap
index 823592ed6..06e010a97 100644
--- a/tests/format/typescript/type-parameters-arguments/consistent/__snapshots__/format.test.js.snap
+++ b/tests/format/typescript/type-parameters-arguments/consistent/__snapshots__/format.test.js.snap
@@ -95,12 +95,7 @@ const foo1: Fooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
 ================================================================================
 `;
 
-exports[`template-literal-types.ts format[flow] 1`] = `
-"Flow does not support template literal types. (1:84)
-> 1 | const foo1: Fooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo<\`Hello, \${keyof World}\`> = a;
-    |                                                                                    ^
-  2 |"
-`;
+exports[`template-literal-types.ts format[flow] 1`] = `"Missing visitor keys for 'TemplateLiteralTypeAnnotation'."`;
 
 exports[`template-literal-types.ts format[hermes] 1`] = `
 "unexpected token in type annotation (1:83)
diff --git a/tests/unit/__snapshots__/visitor-keys.js.snap b/tests/unit/__snapshots__/visitor-keys.js.snap
index 8133721ad..7b87efb5e 100644
--- a/tests/unit/__snapshots__/visitor-keys.js.snap
+++ b/tests/unit/__snapshots__/visitor-keys.js.snap
@@ -246,6 +246,7 @@ exports[`visitor keys estree 1`] = `
     "typeParameters",
   ],
   "DeclareVariable": [
+    "declarations",
     "id",
   ],
   "DeclaredPredicate": [
diff --git a/yarn.lock b/yarn.lock
index 3ef4114ff..9c0513b0f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5256,10 +5256,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"flow-parser@npm:0.301.0":
-  version: 0.301.0
-  resolution: "flow-parser@npm:0.301.0"
-  checksum: 10/940f41d3b6649a86bb02c4f58c59e07b4fc57f6fafc0ee69fb5da31456a9d734ae3cc20cab59a486308a97dff3309bb9be3faaaedaac4f8cf5176050b6a0eafe
+"flow-parser@npm:0.306.0":
+  version: 0.306.0
+  resolution: "flow-parser@npm:0.306.0"
+  checksum: 10/50a4477fa2fe745bdc5de40d889912e647a04556d418024e534809b4ed611205f81c0d954bc25239a421a642cf7703d0205e8dc245b081987f1577fa55f61fb0
   languageName: node
   linkType: hard
 
@@ -5609,19 +5609,19 @@ __metadata:
   languageName: node
   linkType: hard
 
-"hermes-estree@npm:0.33.3":
-  version: 0.33.3
-  resolution: "hermes-estree@npm:0.33.3"
-  checksum: 10/dfaac7eb91e282cf04f26c8f557fcadbfb78f630062c7abc1e75b9765918103ebee1359dffbe6c5e42a52c7cee0b14420affda984d534f76ba3d7e8d9ba98215
+"hermes-estree@npm:0.34.0":
+  version: 0.34.0
+  resolution: "hermes-estree@npm:0.34.0"
+  checksum: 10/f03d62c404023526fee2a64ef9a0605ef194a3174ba3de60f459de70ac89cb268282acabf54d334be2c9c59d10d9edb74fc1ce90f6036a272ea098695719f9d9
   languageName: node
   linkType: hard
 
-"hermes-parser@npm:0.33.3":
-  version: 0.33.3
-  resolution: "hermes-parser@npm:0.33.3"
+"hermes-parser@npm:0.34.0":
+  version: 0.34.0
+  resolution: "hermes-parser@npm:0.34.0"
   dependencies:
-    hermes-estree: "npm:0.33.3"
-  checksum: 10/709dac7283a9eab706f3fff5c6f09deee5197a1a38751da66fdf499a307120ba3ef14ce734715430a838145531973a8c0b69874bf5bc615cca10059ee87f5ff3
+    hermes-estree: "npm:0.34.0"
+  checksum: 10/5f3d7e66452c63f7c53b201ad0c6fef47243dfa092f27438e56c06ae252c382c0757ca3ab8e038026baad930d6f72a49bb9453372e5e6c539bc3ff848ac57ec2
   languageName: node
   linkType: hard
 
@@ -8667,14 +8667,14 @@ __metadata:
     fast-json-stable-stringify: "npm:2.1.0"
     file-entry-cache: "npm:11.1.2"
     find-cache-directory: "npm:6.0.0"
-    flow-parser: "npm:0.301.0"
+    flow-parser: "npm:0.306.0"
     get-east-asian-width: "npm:1.4.0"
     get-port: "npm:7.1.0"
     get-stdin: "npm:9.0.0"
     gfm-test-suite: "npm:0.0.2"
     globals: "npm:17.4.0"
     graphql: "npm:16.13.1"
-    hermes-parser: "npm:0.33.3"
+    hermes-parser: "npm:0.34.0"
     html-element-attributes: "npm:3.5.0"
     html-ua-styles: "npm:0.3.1"
     ignore: "npm:7.0.5"