[Koha] Upgrading Ubuntu Kernel

Running Koha 3.22.09 Debian package & Unbuntu 14.04 The last I heard, Ubuntu 14.04 is still the recommended version of that OS for hosting Koha. Will upgrading the kernel from 3.16 to Xenial (4.4) cause issues? I seem to recall reading somewhere that Biblibre was planning to do this earlier this month. gcb