26.4 beta 2 messed up network on my M1max mac studio. I couldn't acces internet properly, appart fomr googles services for some reasons, and it was significantly slower on Chrome and Firefox. Worked better on Safari, I could access more websites. In addition, I couldn't use my intranet at all (printer, home devices). The weird part is when I activated my VPN things got better, except from the intranet which was still down. The fix was to deactivate filters in settings>network>filters which in my case was Radio Signal. Now everything work, but I still need this software so I hope a fix will be released in the near future.