Issue description: Incorrect appearance rate for shiny Origin Forme Dialga and Origin Forme Palkia in Raid Battles during the Ultra Unlock Raid Day

Issue status: Trainers affected by the incorrect appearance rate for Shiny Origin Forme Dialga and Origin Forme Palkia in Raid Battles during the Ultra Unlock: Origin Raid Day will receive Timed Research in the coming weeks. The Timed Research will include encounters with Shiny Origin Forme Dialga and/or Shiny Origin Forme Palkia based on the number of Raid Battles completed.  We apologize for the issue and will share more information soon.

This webpage has been translated for your convenience using translation software powered by third-party services. Reasonable efforts have been made to provide an accurate translation as a service to users of the Niantic website. However, no automated translation is perfect. Niantic disclaims all warranties related to the translations, express or implied, including any warranties of accuracy, reliability, and any implied warranties of merchantability, fitness for a particular purpose, and non-infringement.