The new possible rewards for Research Breakthroughs are:

• Lugia
• Ho-Oh
• Latios
• Latias

Note that they may appear in their shiny form if you are lucky enough.

These rewards will begin on May 1, 2019 at 1:00 pm PDT until June 30, 2019 at 1:00 pm PDT.

Eggs will have some changes regarding the Pokemon that may hatch from them.

The following eggs may include:

• 2 km Eggs: Turtwig, Chimchar, Piplup, Bonsly
• 5 km Eggs: Cubone, Combee, Buizel, Glameow, Bronzor, Skorupi, Croagunk
• 10 km Eggs: Mawile, Absol, Shinx, Cranidos, Shieldon, Riolu

Changes in eggs will begin on April 26, 2019 at 1:00 pm PDT.