Patchnotes for PC can be found here:
Regarding last night’s, here’s the changelog:
PC Update 2.4 (22.04.2021) New Siptah Biomes and lighting improvements, Zath, QoL and more! Oh my!
IMPORTANT NOTE REGARDING MODS
Please remember that updates can mess with your installed mods. We suggest taking a backup of your current database before updating to any new patch if you have mods installed.