Huawei is issuing new updates to the Mate 10, Mate 10 Pro, P20 and P20 Pro. The round of updates brings the older flagships onto the July set of security patches and fixes multiple CVEs.
https://www.notebookcheck.net/The-Huawei-Mate-10-Mate-10-Pro-P20-and-P20-Pro-are-receiving-new-updates.488537.0.html