It seems that a new update is already coming to Pokémon GO . For now it is only available on Android and is expected to arrive soon to iOS.
The patch includes a new loading background that you can see below, to prepare for the new snapshot mode. In addition, Smeargle also appears on the image.
Here it is:
Serebii Update: A new version is starting to roll out on Pokémon GO on Android with iOS to come later. This update includes a new load screen to tie in with the upcoming GO Snapshot feature https://t.co/NWlAdn57aQpic.twitter.com/1g4mjd2wmV— Serebii.net (@SerebiiNet) 17 de febrero de 2019