I checked for updates this lunchtime and the February 2019 update was available to install. I'm using an unlocked UK dual SIM model. Release notes: http://doc.samsungmobile.com/SM-G960F/BTU/doc.html
Same here, G960F and February update appeared. Now to read whether its imrpoved some of the January problems. I hope it has some of the Pie fixes included.