This has nothing to do with the update. I updated to 2.13.1 as soon as they suggested it.
As a matter of fact traffic jumped on May 26 2026 when Iran opened their internet again. See thread: Big increase in Snowflake proxy traffic recently - #3 by gus
My traffic is as it was at the end of 2025 and early 2026.
Yesterday 15,214,998 KB with at most 14 connections.
Edited later:
But mine says snowflake-proxy 2.13.1 (ff32ce45)
So you may be onto something.