microsoft · jakebailey · Oct 2, 2025 · Sep 26, 2025 · Sep 26, 2025 · Sep 30, 2025
diff --git a/src/lib/dom.generated.d.ts b/src/lib/dom.generated.d.ts
diff --git a/src/lib/dom.iterable.generated.d.ts b/src/lib/dom.iterable.generated.d.ts
@@ -4,7 +4,7 @@
 
 interface AudioParam {
     /**
-     * The **`setValueCurveAtTime()`** method of the following a curve defined by a list of values.
+     * The **`setValueCurveAtTime()`** method of the AudioParam interface schedules the parameter's value to change following a curve defined by a list of values.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioParam/setValueCurveAtTime)
      */
@@ -193,7 +193,7 @@ interface IDBDatabase {
 
 interface IDBObjectStore {
     /**
-     * The **`createIndex()`** method of the field/column defining a new data point for each database record to contain.
+     * The **`createIndex()`** method of the IDBObjectStore interface creates and returns a new IDBIndex object in the connected database.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/createIndex)
      */

diff --git a/src/lib/webworker.generated.d.ts b/src/lib/webworker.generated.d.ts
diff --git a/src/lib/webworker.iterable.generated.d.ts b/src/lib/webworker.iterable.generated.d.ts
@@ -107,7 +107,7 @@ interface IDBDatabase {
 
 interface IDBObjectStore {
     /**
-     * The **`createIndex()`** method of the field/column defining a new data point for each database record to contain.
+     * The **`createIndex()`** method of the IDBObjectStore interface creates and returns a new IDBIndex object in the connected database.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/IDBObjectStore/createIndex)
      */

diff --git a/tests/baselines/reference/callsOnComplexSignatures.types b/tests/baselines/reference/callsOnComplexSignatures.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === callsOnComplexSignatures.tsx ===

diff --git a/tests/baselines/reference/checkJsxChildrenCanBeTupleType.types b/tests/baselines/reference/checkJsxChildrenCanBeTupleType.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === checkJsxChildrenCanBeTupleType.tsx ===

diff --git a/tests/baselines/reference/checkJsxChildrenProperty16.types b/tests/baselines/reference/checkJsxChildrenProperty16.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === checkJsxChildrenProperty16.tsx ===

diff --git a/tests/baselines/reference/checkJsxUnionSFXContextualTypeInferredCorrectly.types b/tests/baselines/reference/checkJsxUnionSFXContextualTypeInferredCorrectly.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === checkJsxUnionSFXContextualTypeInferredCorrectly.tsx ===

diff --git a/tests/baselines/reference/contextuallyTypedJsxChildren.types b/tests/baselines/reference/contextuallyTypedJsxChildren.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === contextuallyTypedJsxChildren.tsx ===

diff --git a/tests/baselines/reference/controlFlowOptionalChain3.types b/tests/baselines/reference/controlFlowOptionalChain3.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === controlFlowOptionalChain3.tsx ===

diff --git a/tests/baselines/reference/divergentAccessorsTypes6.symbols b/tests/baselines/reference/divergentAccessorsTypes6.symbols
@@ -25,11 +25,11 @@ element.style = "color: red";
 >style : Symbol(Element.style, Decl(divergentAccessorsTypes6.ts, 2, 19), Decl(divergentAccessorsTypes6.ts, 3, 37))
 
 element.style.animationTimingFunction;
->element.style.animationTimingFunction : Symbol(CSSStyleDeclaration.animationTimingFunction, Decl(lib.dom.d.ts, --, --))
+>element.style.animationTimingFunction : Symbol(CSSStyleProperties.animationTimingFunction, Decl(lib.dom.d.ts, --, --))
 >element.style : Symbol(Element.style, Decl(divergentAccessorsTypes6.ts, 2, 19), Decl(divergentAccessorsTypes6.ts, 3, 37))
 >element : Symbol(element, Decl(divergentAccessorsTypes6.ts, 7, 13))
 >style : Symbol(Element.style, Decl(divergentAccessorsTypes6.ts, 2, 19), Decl(divergentAccessorsTypes6.ts, 3, 37))
->animationTimingFunction : Symbol(CSSStyleDeclaration.animationTimingFunction, Decl(lib.dom.d.ts, --, --))
+>animationTimingFunction : Symbol(CSSStyleProperties.animationTimingFunction, Decl(lib.dom.d.ts, --, --))
 
 element.style = element.style; // error
 >element.style : Symbol(Element.style, Decl(divergentAccessorsTypes6.ts, 2, 19), Decl(divergentAccessorsTypes6.ts, 3, 37))

diff --git a/tests/baselines/reference/duplicateNumericIndexers.types b/tests/baselines/reference/duplicateNumericIndexers.types
@@ -1,9 +1,10 @@
 //// [tests/cases/conformance/types/members/duplicateNumericIndexers.ts] ////
 
 === Performance Stats ===
-Assignability cache: 2,500
-Type Count: 10,000
-Instantiation count: 2,500
+Assignability cache: 10,000
+Type Count: 25,000
+Instantiation count: 25,000
+Symbol count: 50,000
 
 === duplicateNumericIndexers.ts ===
 // it is an error to have duplicate index signatures of the same kind in a type

diff --git a/tests/baselines/reference/errorInfoForRelatedIndexTypesNoConstraintElaboration.types b/tests/baselines/reference/errorInfoForRelatedIndexTypesNoConstraintElaboration.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 100,000
+Instantiation count: 250,000
 Symbol count: 100,000
 
 === errorInfoForRelatedIndexTypesNoConstraintElaboration.ts ===

diff --git a/tests/baselines/reference/globalThisBlockscopedProperties.types b/tests/baselines/reference/globalThisBlockscopedProperties.types
diff --git a/tests/baselines/reference/ignoredJsxAttributes.types b/tests/baselines/reference/ignoredJsxAttributes.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === ignoredJsxAttributes.tsx ===

diff --git a/tests/baselines/reference/intersectionsOfLargeUnions.types b/tests/baselines/reference/intersectionsOfLargeUnions.types
@@ -2,7 +2,8 @@
 
 === Performance Stats ===
 Assignability cache: 1,000
-Type Count: 2,500
+Type Count: 10,000
+Instantiation count: 5,000
 
 === intersectionsOfLargeUnions.ts ===
 // Repro from #23977

diff --git a/tests/baselines/reference/intersectionsOfLargeUnions2.types b/tests/baselines/reference/intersectionsOfLargeUnions2.types
@@ -2,7 +2,8 @@
 
 === Performance Stats ===
 Assignability cache: 1,000
-Type Count: 2,500
+Type Count: 10,000
+Instantiation count: 5,000
 
 === intersectionsOfLargeUnions2.ts ===
 // Repro from #24233

diff --git a/tests/baselines/reference/intraExpressionInferencesJsx.types b/tests/baselines/reference/intraExpressionInferencesJsx.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === intraExpressionInferencesJsx.tsx ===

diff --git a/tests/baselines/reference/jsDeclarationsNonIdentifierInferredNames.types b/tests/baselines/reference/jsDeclarationsNonIdentifierInferredNames.types
@@ -2,7 +2,7 @@
 
 === Performance Stats ===
 Assignability cache: 2,500
-Type Count: 5,000
+Type Count: 10,000
 Instantiation count: 50,000
 Symbol count: 50,000
 

diff --git a/tests/baselines/reference/jsDeclarationsReactComponents.types b/tests/baselines/reference/jsDeclarationsReactComponents.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsDeclarationsReactComponents1.jsx ===

diff --git a/tests/baselines/reference/jsxCallElaborationCheckNoCrash1.types b/tests/baselines/reference/jsxCallElaborationCheckNoCrash1.types
@@ -1,7 +1,7 @@
 //// [tests/cases/compiler/jsxCallElaborationCheckNoCrash1.tsx] ////
 
 === Performance Stats ===
-Assignability cache: 2,500
+Assignability cache: 5,000
 Type Count: 10,000
 Instantiation count: 50,000
 Symbol count: 50,000

diff --git a/tests/baselines/reference/jsxChildrenIndividualErrorElaborations.types b/tests/baselines/reference/jsxChildrenIndividualErrorElaborations.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === index.tsx ===

diff --git a/tests/baselines/reference/jsxDeclarationsWithEsModuleInteropNoCrash.types b/tests/baselines/reference/jsxDeclarationsWithEsModuleInteropNoCrash.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxDeclarationsWithEsModuleInteropNoCrash.jsx ===

diff --git a/tests/baselines/reference/jsxElementType.types b/tests/baselines/reference/jsxElementType.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxElementType.tsx ===

diff --git a/tests/baselines/reference/jsxElementTypeLiteral.types b/tests/baselines/reference/jsxElementTypeLiteral.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxElementTypeLiteral.tsx ===

diff --git a/tests/baselines/reference/jsxElementTypeLiteralWithGeneric.types b/tests/baselines/reference/jsxElementTypeLiteralWithGeneric.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxElementTypeLiteralWithGeneric.tsx ===

diff --git a/tests/baselines/reference/jsxEmptyExpressionNotCountedAsChild(jsx=react).types b/tests/baselines/reference/jsxEmptyExpressionNotCountedAsChild(jsx=react).types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxEmptyExpressionNotCountedAsChild.tsx ===

diff --git a/tests/baselines/reference/jsxEmptyExpressionNotCountedAsChild(jsx=react-jsx).types b/tests/baselines/reference/jsxEmptyExpressionNotCountedAsChild(jsx=react-jsx).types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxEmptyExpressionNotCountedAsChild.tsx ===

diff --git a/tests/baselines/reference/jsxEmptyExpressionNotCountedAsChild(jsx=react-jsxdev).types b/tests/baselines/reference/jsxEmptyExpressionNotCountedAsChild(jsx=react-jsxdev).types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxEmptyExpressionNotCountedAsChild.tsx ===

diff --git a/tests/baselines/reference/jsxExcessPropsAndAssignability.types b/tests/baselines/reference/jsxExcessPropsAndAssignability.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxExcessPropsAndAssignability.tsx ===

diff --git a/tests/baselines/reference/jsxFragmentFactoryNoUnusedLocals.types b/tests/baselines/reference/jsxFragmentFactoryNoUnusedLocals.types
@@ -2,7 +2,7 @@
 
 === Performance Stats ===
 Assignability cache: 2,500
-Type Count: 5,000
+Type Count: 10,000
 Instantiation count: 50,000
 Symbol count: 50,000
 

diff --git a/tests/baselines/reference/jsxGenericComponentWithSpreadingResultOfGenericFunction.types b/tests/baselines/reference/jsxGenericComponentWithSpreadingResultOfGenericFunction.types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxGenericComponentWithSpreadingResultOfGenericFunction.tsx ===

diff --git a/tests/baselines/reference/jsxImportForSideEffectsNonExtantNoError.types b/tests/baselines/reference/jsxImportForSideEffectsNonExtantNoError.types
@@ -2,7 +2,7 @@
 
 === Performance Stats ===
 Assignability cache: 2,500
-Type Count: 5,000
+Type Count: 10,000
 Instantiation count: 50,000
 Symbol count: 50,000
 

diff --git a/tests/baselines/reference/jsxInferenceProducesLiteralAsExpected.types b/tests/baselines/reference/jsxInferenceProducesLiteralAsExpected.types
@@ -1,8 +1,9 @@
 //// [tests/cases/compiler/jsxInferenceProducesLiteralAsExpected.tsx] ////
 
 === Performance Stats ===
-Type Count: 2,500
-Instantiation count: 2,500
+Assignability cache: 1,000
+Type Count: 5,000
+Instantiation count: 10,000
 
 === jsxInferenceProducesLiteralAsExpected.tsx ===
 import React = require("react");

diff --git a/tests/baselines/reference/jsxIntrinsicElementsTypeArgumentErrors.types b/tests/baselines/reference/jsxIntrinsicElementsTypeArgumentErrors.types
@@ -2,7 +2,7 @@
 
 === Performance Stats ===
 Assignability cache: 2,500
-Type Count: 5,000
+Type Count: 10,000
 Instantiation count: 50,000
 Symbol count: 50,000
 

diff --git a/tests/baselines/reference/jsxIntrinsicUnions.types b/tests/baselines/reference/jsxIntrinsicUnions.types
@@ -2,7 +2,7 @@
 
 === Performance Stats ===
 Assignability cache: 2,500
-Type Count: 5,000
+Type Count: 10,000
 Instantiation count: 50,000
 Symbol count: 50,000
 

diff --git a/tests/baselines/reference/jsxIssuesErrorWhenTagExpectsTooManyArguments.types b/tests/baselines/reference/jsxIssuesErrorWhenTagExpectsTooManyArguments.types
@@ -2,7 +2,7 @@
 
 === Performance Stats ===
 Assignability cache: 2,500
-Type Count: 5,000
+Type Count: 10,000
 Instantiation count: 50,000
 Symbol count: 50,000
 

diff --git a/tests/baselines/reference/jsxJsxsCjsTransformChildren(jsx=react-jsx).types b/tests/baselines/reference/jsxJsxsCjsTransformChildren(jsx=react-jsx).types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxJsxsCjsTransformChildren.tsx ===

diff --git a/tests/baselines/reference/jsxJsxsCjsTransformChildren(jsx=react-jsxdev).types b/tests/baselines/reference/jsxJsxsCjsTransformChildren(jsx=react-jsxdev).types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxJsxsCjsTransformChildren.tsx ===

diff --git a/tests/baselines/reference/jsxJsxsCjsTransformCustomImport(jsx=react-jsx).types b/tests/baselines/reference/jsxJsxsCjsTransformCustomImport(jsx=react-jsx).types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxJsxsCjsTransformCustomImport.tsx ===

diff --git a/tests/baselines/reference/jsxJsxsCjsTransformCustomImport(jsx=react-jsxdev).types b/tests/baselines/reference/jsxJsxsCjsTransformCustomImport(jsx=react-jsxdev).types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxJsxsCjsTransformCustomImport.tsx ===

diff --git a/tests/baselines/reference/jsxJsxsCjsTransformCustomImportPragma(jsx=react-jsx).types b/tests/baselines/reference/jsxJsxsCjsTransformCustomImportPragma(jsx=react-jsx).types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === react.tsx ===

diff --git a/tests/baselines/reference/jsxJsxsCjsTransformCustomImportPragma(jsx=react-jsxdev).types b/tests/baselines/reference/jsxJsxsCjsTransformCustomImportPragma(jsx=react-jsxdev).types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === react.tsx ===

diff --git a/tests/baselines/reference/jsxJsxsCjsTransformKeyProp(jsx=react-jsx).types b/tests/baselines/reference/jsxJsxsCjsTransformKeyProp(jsx=react-jsx).types
@@ -3,7 +3,7 @@
 === Performance Stats ===
 Assignability cache: 2,500
 Type Count: 10,000
-Instantiation count: 50,000
+Instantiation count: 100,000
 Symbol count: 50,000
 
 === jsxJsxsCjsTransformKeyProp.tsx ===