Starting in the 2019-2020 season, Hockey Canada has mandated players 8 years old and under will participate in modified ice games. The OHF will expand its modified-ice programming in the 2018-2019 season and advance 2011 born players from cross ice to half ice.
Follow the below link to an OMHA news article that gives a little more information regarding how Under 8 programming will look for the upcoming two seasons.
http://www.omha.net/news_article/show/863420?referrer_id=2857526
During the winter and spring of 2018, the OHF is expected to provide additional details, along with resources and materials to facilitate the upcoming changes to programming.