Pixelmon Mod

I'm just coming back into pixelmon after half a year when I go to the inventory there are 4 icons now by your pokemon, what are those exactly?

link to what I'm asking about -

https://imgur.com/a/hxmFaM4

Top to bottom:

• Dynamax Band
  For Dynamaxing, obtained from a quest
• Key Stone
  For Mega Evolution, obtained by defeating a Mega Boss
• Oval Charm
  Speeds up breeding, currently only obtainable via command
• Shiny Charm
  Boosts shiny chance, obtained by completing the Pokédex