diff --git a/lib/tsc.js b/lib/tsc.js
index eb9b776f9c9d8..65842cbb9ff2e 100644
--- a/lib/tsc.js
+++ b/lib/tsc.js
@@ -18,7 +18,7 @@ and limitations under the License.
 
 // src/compiler/corePublic.ts
 var versionMajorMinor = "5.4";
-var version = "5.4.4";
+var version = "5.4.5";
 
 // src/compiler/core.ts
 var emptyArray = [];
@@ -55510,13 +55510,13 @@ function createTypeChecker(host) {
   }
   function getUnionOrIntersectionProperty(type, name, skipObjectFunctionPropertyAugment) {
     var _a, _b, _c;
-    let property = ((_a = type.propertyCacheWithoutObjectFunctionPropertyAugment) == null ? void 0 : _a.get(name)) || !skipObjectFunctionPropertyAugment ? (_b = type.propertyCache) == null ? void 0 : _b.get(name) : void 0;
+    let property = skipObjectFunctionPropertyAugment ? (_a = type.propertyCacheWithoutObjectFunctionPropertyAugment) == null ? void 0 : _a.get(name) : (_b = type.propertyCache) == null ? void 0 : _b.get(name);
     if (!property) {
       property = createUnionOrIntersectionProperty(type, name, skipObjectFunctionPropertyAugment);
       if (property) {
         const properties = skipObjectFunctionPropertyAugment ? type.propertyCacheWithoutObjectFunctionPropertyAugment || (type.propertyCacheWithoutObjectFunctionPropertyAugment = createSymbolTable()) : type.propertyCache || (type.propertyCache = createSymbolTable());
         properties.set(name, property);
-        if (skipObjectFunctionPropertyAugment && !((_c = type.propertyCache) == null ? void 0 : _c.get(name))) {
+        if (skipObjectFunctionPropertyAugment && !(getCheckFlags(property) & 48 /* Partial */) && !((_c = type.propertyCache) == null ? void 0 : _c.get(name))) {
           const properties2 = type.propertyCache || (type.propertyCache = createSymbolTable());
           properties2.set(name, property);
         }
diff --git a/lib/tsserver.js b/lib/tsserver.js
index 6a1c0318396c8..d704e03c5e9c1 100644
--- a/lib/tsserver.js
+++ b/lib/tsserver.js
@@ -2340,7 +2340,7 @@ module.exports = __toCommonJS(server_exports);
 
 // src/compiler/corePublic.ts
 var versionMajorMinor = "5.4";
-var version = "5.4.4";
+var version = "5.4.5";
 var Comparison = /* @__PURE__ */ ((Comparison3) => {
   Comparison3[Comparison3["LessThan"] = -1] = "LessThan";
   Comparison3[Comparison3["EqualTo"] = 0] = "EqualTo";
@@ -60254,13 +60254,13 @@ function createTypeChecker(host) {
   }
   function getUnionOrIntersectionProperty(type, name, skipObjectFunctionPropertyAugment) {
     var _a, _b, _c;
-    let property = ((_a = type.propertyCacheWithoutObjectFunctionPropertyAugment) == null ? void 0 : _a.get(name)) || !skipObjectFunctionPropertyAugment ? (_b = type.propertyCache) == null ? void 0 : _b.get(name) : void 0;
+    let property = skipObjectFunctionPropertyAugment ? (_a = type.propertyCacheWithoutObjectFunctionPropertyAugment) == null ? void 0 : _a.get(name) : (_b = type.propertyCache) == null ? void 0 : _b.get(name);
     if (!property) {
       property = createUnionOrIntersectionProperty(type, name, skipObjectFunctionPropertyAugment);
       if (property) {
         const properties = skipObjectFunctionPropertyAugment ? type.propertyCacheWithoutObjectFunctionPropertyAugment || (type.propertyCacheWithoutObjectFunctionPropertyAugment = createSymbolTable()) : type.propertyCache || (type.propertyCache = createSymbolTable());
         properties.set(name, property);
-        if (skipObjectFunctionPropertyAugment && !((_c = type.propertyCache) == null ? void 0 : _c.get(name))) {
+        if (skipObjectFunctionPropertyAugment && !(getCheckFlags(property) & 48 /* Partial */) && !((_c = type.propertyCache) == null ? void 0 : _c.get(name))) {
           const properties2 = type.propertyCache || (type.propertyCache = createSymbolTable());
           properties2.set(name, property);
         }
@@ -160459,7 +160459,8 @@ function getCompletionEntriesFromSymbols(symbols, entries, replacementToken, con
   }
   function symbolAppearsToBeTypeOnly(symbol) {
     var _a;
-    return !(symbol.flags & 111551 /* Value */) && (!isInJSFile((_a = symbol.declarations) == null ? void 0 : _a[0]) || !!(symbol.flags & 788968 /* Type */));
+    const flags = getCombinedLocalAndExportSymbolFlags(skipAlias(symbol, typeChecker));
+    return !(flags & 111551 /* Value */) && (!isInJSFile((_a = symbol.declarations) == null ? void 0 : _a[0]) || !!(flags & 788968 /* Type */));
   }
 }
 function getLabelCompletionAtPosition(node) {
diff --git a/lib/typescript.js b/lib/typescript.js
index 018350e49dbc2..8668f6089c8c7 100644
--- a/lib/typescript.js
+++ b/lib/typescript.js
@@ -35,7 +35,7 @@ var ts = (() => {
     "src/compiler/corePublic.ts"() {
       "use strict";
       versionMajorMinor = "5.4";
-      version = "5.4.4";
+      version = "5.4.5";
       Comparison = /* @__PURE__ */ ((Comparison3) => {
         Comparison3[Comparison3["LessThan"] = -1] = "LessThan";
         Comparison3[Comparison3["EqualTo"] = 0] = "EqualTo";
@@ -58009,13 +58009,13 @@ ${lanes.join("\n")}
     }
     function getUnionOrIntersectionProperty(type, name, skipObjectFunctionPropertyAugment) {
       var _a, _b, _c;
-      let property = ((_a = type.propertyCacheWithoutObjectFunctionPropertyAugment) == null ? void 0 : _a.get(name)) || !skipObjectFunctionPropertyAugment ? (_b = type.propertyCache) == null ? void 0 : _b.get(name) : void 0;
+      let property = skipObjectFunctionPropertyAugment ? (_a = type.propertyCacheWithoutObjectFunctionPropertyAugment) == null ? void 0 : _a.get(name) : (_b = type.propertyCache) == null ? void 0 : _b.get(name);
       if (!property) {
         property = createUnionOrIntersectionProperty(type, name, skipObjectFunctionPropertyAugment);
         if (property) {
           const properties = skipObjectFunctionPropertyAugment ? type.propertyCacheWithoutObjectFunctionPropertyAugment || (type.propertyCacheWithoutObjectFunctionPropertyAugment = createSymbolTable()) : type.propertyCache || (type.propertyCache = createSymbolTable());
           properties.set(name, property);
-          if (skipObjectFunctionPropertyAugment && !((_c = type.propertyCache) == null ? void 0 : _c.get(name))) {
+          if (skipObjectFunctionPropertyAugment && !(getCheckFlags(property) & 48 /* Partial */) && !((_c = type.propertyCache) == null ? void 0 : _c.get(name))) {
             const properties2 = type.propertyCache || (type.propertyCache = createSymbolTable());
             properties2.set(name, property);
           }
@@ -159682,7 +159682,8 @@ ${newComment.split("\n").map((c) => ` * ${c}`).join("\n")}
     }
     function symbolAppearsToBeTypeOnly(symbol) {
       var _a;
-      return !(symbol.flags & 111551 /* Value */) && (!isInJSFile((_a = symbol.declarations) == null ? void 0 : _a[0]) || !!(symbol.flags & 788968 /* Type */));
+      const flags = getCombinedLocalAndExportSymbolFlags(skipAlias(symbol, typeChecker));
+      return !(flags & 111551 /* Value */) && (!isInJSFile((_a = symbol.declarations) == null ? void 0 : _a[0]) || !!(flags & 788968 /* Type */));
     }
   }
   function getLabelCompletionAtPosition(node) {
diff --git a/lib/typingsInstaller.js b/lib/typingsInstaller.js
index 9c8eb8b080270..e84a729bbc1b0 100644
--- a/lib/typingsInstaller.js
+++ b/lib/typingsInstaller.js
@@ -54,7 +54,7 @@ var path = __toESM(require("path"));
 
 // src/compiler/corePublic.ts
 var versionMajorMinor = "5.4";
-var version = "5.4.4";
+var version = "5.4.5";
 
 // src/compiler/core.ts
 var emptyArray = [];
diff --git a/package-lock.json b/package-lock.json
index 81ae0832de0a4..79a30fd716021 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "typescript",
-    "version": "5.4.4",
+    "version": "5.4.5",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "typescript",
-            "version": "5.4.4",
+            "version": "5.4.5",
             "license": "Apache-2.0",
             "bin": {
                 "tsc": "bin/tsc",
diff --git a/package.json b/package.json
index 96a0b9aefca81..f25964993ac18 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "typescript",
     "author": "Microsoft Corp.",
     "homepage": "https://www.typescriptlang.org/",
-    "version": "5.4.4",
+    "version": "5.4.5",
     "license": "Apache-2.0",
     "description": "TypeScript is a language for application scale JavaScript development",
     "keywords": [
diff --git a/src/compiler/corePublic.ts b/src/compiler/corePublic.ts
index cea0a82974f1c..cf534f3db3af5 100644
--- a/src/compiler/corePublic.ts
+++ b/src/compiler/corePublic.ts
@@ -4,7 +4,7 @@ export const versionMajorMinor = "5.4";
 // The following is baselined as a literal template type without intervention
 /** The version of the TypeScript compiler release */
 // eslint-disable-next-line @typescript-eslint/no-inferrable-types
-export const version = "5.4.4" as string;
+export const version = "5.4.5" as string;
 
 /**
  * Type of objects whose values are all of the same type.