Saber Interactive has dropped World War Z update 1.45 (PS5 version 1.008), and this is a hotfix to remedy a known issue involving semi-automatic weapons. Check out the official announcement regarding the WWZ May 30 patch notes.

World War Z Update 1.45 Patch Notes | World War Z Update 1.008 Patch Notes | WWZ May 30 Patch Notes:

Here’s the announcement from Saber Interactive:

In today’s @WWZTheGame hotfix, we have resolved the issue with the fire rate of Semi-Automatic weapons across all platforms.

If you are still experiencing problems, please submit a ticket so we can investigate further: http://support.saber.games

That’s about it. There was a patch released last week that added free Warhammer 40K trinkets to all players alongside a host of gameplay-related fixes, which you can read about here.

Source: Saber Support (Twitter)