| Change Type | Old Version | New Version | d.ts File |
| ---- | ------ | ------ | -------- |
|Added|NA|Class name: util<br>Method or attribute name: function generateRandomUUID(entropyCache?: boolean): string;|@ohos.util.d.ts|
|Added|NA|Class name: util<br>Method or attribute name: function generateRandomBinaryUUID(entropyCache?: boolean): Uint8Array;|@ohos.util.d.ts|
|Deleted|Module name: ohos.util<br>Class name: util<br>Method or attribute name: function randomUUID(entropyCache?: boolean): string;|NA|@ohos.util.d.ts|
|Deleted|Module name: ohos.util<br>Class name: util<br>Method or attribute name: function randomBinaryUUID(entropyCache?: boolean): Uint8Array;|NA|@ohos.util.d.ts|
|Function changed|Class name: LRUCache<br>Method or attribute name: contains(key: object): boolean;<br>|Class name: LRUCache<br>Method or attribute name: contains(key: K): boolean;<br>|@ohos.util.d.ts|