I will read blogs and listen to podcasts for whatever area that I choose to specialize, but I’m not going to spend time actually investigating it outside of work.
If you as an employer deem it important for your employees to keep up with the latest trends and contribute to open source, allocate some time during the day.
But, I guess this is also the reason I abandoned the clusterf%%% of modern front end development almost 10 years ago and just try to stay somewhat current with JS.