I know this is the FOSS community but I personally recommend inoreader. It has great usability through its keyboard shortcuts and the ability to pull the full article from the website without clutter (similar to reader add-ons).
If anyone knows a FOSS alternative with similar features, I’d like to know.
I wonder when the employees knew. From the news it looks like the closure had been decided on the C-level.
I would not be surprised if a new studio springs into existence from this.