2018 was very calm for SEOs. But it doesn't matter how peaceful it looks, you can never lean back in your chair and relax
Topics like voice Search, Machine Learning and Artificial Intelligence were at the top in past 12 months. While AI is most likely to hit Paid marketing, Voice search is going to disturb the SEO community in future. Unlike 2017 google became shy in 2018 and stopped updating about the algorithm launch and how it will affect the search result.