diff --git a/.chronus/changes/fix-typespec-java-core-sync-2026-07-30-08-47-00.md b/.chronus/changes/fix-typespec-java-core-sync-2026-07-30-08-47-00.md
new file mode 100644
index 0000000000..7b15f57bb6
--- /dev/null
+++ b/.chronus/changes/fix-typespec-java-core-sync-2026-07-30-08-47-00.md
@@ -0,0 +1,7 @@
+---
+changeKind: fix
+packages:
+  - "@azure-tools/typespec-java"
+---
+
+Sync core to microsoft/typespec commit `38de4f58`. Includes fixes: exclude hidden maxpagesize param from generated sample (core [#11436](https://github.com/microsoft/typespec/pull/11436)), avoid credential phrase in random mock map key (core [#11435](https://github.com/microsoft/typespec/pull/11435)), and remove legacy AutorestSettings plus write Package api-version to CHANGELOG.md for Fluent Premium (core [#11433](https://github.com/microsoft/typespec/pull/11433)).
diff --git a/packages/typespec-java/core-commit.json b/packages/typespec-java/core-commit.json
index ef0a9c1947..2b72959897 100644
--- a/packages/typespec-java/core-commit.json
+++ b/packages/typespec-java/core-commit.json
@@ -1 +1 @@
-{ "sha": "d320a53bb33cf1cbf7f5e2742b9da369944ae9be" }
+{ "sha": "38de4f58cffc6429f8ae0234441cbc3b6b429777" }