September mandatory monthly maintenance - question

Summary:

Based on below schedule, non-prod will receive maintenance on 9/14 or 9/15 and prod on 9/17 to 9/19.

Since these maintenance includes functional fixes along with security fixes, how do customer with many modules complete their regression testing in this short window? is there a possibility to push the prod maintenance by a week or prepone the non-prod by a week or two to accommodate their regression test ?

More information regarding September mandatory monthly maintenance:

• Your environment(s) on a non-production schedule will receive maintenance on either September 14, 2026, or September 15, 2026.
• Your environment(s) on a production schedule will receive maintenance on September 17, 2026, September 18, 2026, or September 19, 2026.