diff --git a/packages/expect/src/jest-utils.ts b/packages/expect/src/jest-utils.ts
index 7ca28b104c3b..8b0f9b337c9f 100644
--- a/packages/expect/src/jest-utils.ts
+++ b/packages/expect/src/jest-utils.ts
@@ -584,6 +584,8 @@ function isObjectWithKeys(a: any) {
     && !(a instanceof Error)
     && !Array.isArray(a)
     && !(a instanceof Date)
+    && !(a instanceof Set)
+    && !(a instanceof Map)
   )
 }
 
diff --git a/packages/vitest/src/node/plugins/workspace.ts b/packages/vitest/src/node/plugins/workspace.ts
index 4375874c29eb..dbfecb5e2049 100644
--- a/packages/vitest/src/node/plugins/workspace.ts
+++ b/packages/vitest/src/node/plugins/workspace.ts
@@ -112,6 +112,9 @@ export function WorkspaceVitestPlugin(
         if (testConfig.experimental?.nodeLoader == null && project.vitest.config.experimental?.nodeLoader != null) {
           vitestConfig.experimental.nodeLoader = project.vitest.config.experimental.nodeLoader
         }
+        if (testConfig.experimental?.importDurations == null && project.vitest.config.experimental?.importDurations != null) {
+          vitestConfig.experimental.importDurations = project.vitest.config.experimental.importDurations
+        }
 
         return {
           base: '/',
diff --git a/test/config/test/cli-config.test.ts b/test/config/test/cli-config.test.ts
index 0269f0954479..23064dcca089 100644
--- a/test/config/test/cli-config.test.ts
+++ b/test/config/test/cli-config.test.ts
@@ -31,6 +31,11 @@ it('correctly inherit from the cli', async () => {
       testNamePattern: 'math',
       passWithNoTests: true,
       bail: 100,
+      experimental: {
+        importDurations: {
+          print: true,
+        },
+      },
     },
   })
   const project = ctx!.projects[0]
@@ -48,6 +53,12 @@ it('correctly inherit from the cli', async () => {
     retry: 6,
     passWithNoTests: true,
     bail: 100,
+    experimental: expect.objectContaining({
+      importDurations: {
+        print: true,
+        limit: 10,
+      },
+    }),
   })
   expect(config.testNamePattern?.test('math')).toBe(true)
 })
diff --git a/test/core/test/jest-expect.test.ts b/test/core/test/jest-expect.test.ts
index cee708112ac4..903ec9e8f9e1 100644
--- a/test/core/test/jest-expect.test.ts
+++ b/test/core/test/jest-expect.test.ts
@@ -1342,6 +1342,29 @@ function getError(f: () => unknown) {
   return expect.unreachable()
 }
 
+it('toMatchObject', () => {
+  expect(() => expect(null).toMatchObject(new Set()))
+    .toThrowErrorMatchingInlineSnapshot(`[AssertionError: expected null to match object Set{}]`)
+  expect(() => expect(undefined).toMatchObject(new Set()))
+    .toThrowErrorMatchingInlineSnapshot(`[AssertionError: expected undefined to match object Set{}]`)
+  expect(() => expect(1234).toMatchObject(new Set()))
+    .toThrowErrorMatchingInlineSnapshot(`[AssertionError: expected 1234 to match object Set{}]`)
+  expect(() => expect('hello').toMatchObject(new Set()))
+    .toThrowErrorMatchingInlineSnapshot(`[AssertionError: expected 'hello' to match object Set{}]`)
+  expect(() => expect({}).toMatchObject(new Set()))
+    .toThrowErrorMatchingInlineSnapshot(`[AssertionError: expected {} to match object Set{}]`)
+  expect(() => expect({}).toMatchObject(new Map()))
+    .toThrowErrorMatchingInlineSnapshot(`[AssertionError: expected {} to match object Map{}]`)
+
+  // subset equality works inside Set/Map
+  expect(new Set([{ x: 1 }])).toMatchObject(new Set([{}]))
+  expect(new Map([[1, { a: 1 }]])).toMatchObject(new Map([[1, {}]]))
+
+  // Set/Map matches against empty object shape
+  expect(new Set()).toMatchObject({})
+  expect(new Map()).toMatchObject({})
+})
+
 it('toMatchObject error diff', () => {
   // single property on root (3 total properties, 1 expected)
   expect(getError(() => expect({ a: 1, b: 2, c: 3 }).toMatchObject({ c: 4 }))).toMatchInlineSnapshot(`