T260702 describes the work related to our custom varnish 5 patches that can/cannot be dropped, moving to varnish 6. More in general, we need to rebuild/update the following source packages:
- varnish
- varnishkafka - https://gerrit.wikimedia.org/r/c/operations/software/varnish/varnishkafka/+/626177
- varnish-modules
- libvmod-netmapper - https://gerrit.wikimedia.org/r/c/operations/software/varnish/libvmod-netmapper/+/625659
- libvmod-re2 - https://gerrit.wikimedia.org/r/c/operations/software/varnish/libvmod-re2/+/625629
libvmod-tbf this one is no longer in use