That would hold more wait if it was a new announcement but this has been in the works since the offseason. Also tired of the never ending complaining, team doesn't use the Skate jersey = bad the fans wanted. Team brings back the skate = bad they're just trying to appease the fans. Just pick one to be upset about please.
They used it against Colorado and a couple other games after the Maple Leafs game in 2015/16, it was also in rotation in rotation for the 50th anniversary season too
Arizona unveiled theirs basically the same day. Buffalo waited to announce the Reverse Retro and the Black and Red together. The Devils just announced they're bringing the red and Green jersey for at least a game this season too.
When the league announced the Reverse Retro program some teams opted to wait for new thirds, Vancouver, Arizona, Buffalo delayed the official announcement of the Black and red jerseys as well though not as long.