Hey, That sounds good. The change log lists a couple of changed and remove directives: http://www.squid-cache.org/Versions/v5/squid-5.1-RELEASENOTES.html#s3 Could you check if we are affected by any of this change? -Michael > On 2 Aug 2021, at 17:12, Matthias Fischer wrote: > > Hi, > > for the records... > > 5.1 has gone stable: > > => http://www.squid-cache.org/Versions/ > > Excerpt from changelog: > "Changes in squid-5.1 (01 Aug 2021): > > - Bug 4696: Fix leaky String move assignment operator > - Fix ACL-related reconfiguration memory leak > - Fix SSL-Bump reconfiguration leaking public key memory > - Fix build on RISC-V > - Fix build on Ubuntu 21.04 > > Changes in squid-5.0.7 (04 Jul 2021): > > - Fix a helper logging issues > - Fix some helper connection issues > - Cleanup: remove much unused code > - ... and all fixes from 4.16 > ..." > > I'm at it. > > Best, > Matthias >