As of 3 hours ago we fixed the issue of players not receiving unclaimed pet rewards. If you missed out prior to this please contact our support and file the ticket under ‘Missing Rewards.’
The game getting stuck loading is covered by what was linked by @Cyrup
As far as we are aware the pet notices are working as intended. Have you done a hard reset and reinstalled your game? If so, let us know and we can look into it a second time. Pet popups should primarily happen at the end of battles and when viewing the guild screen, it’s not instant.
RE: Pet raid teams.
Thus far we think it is clear what each pet does, but it is something we can investigate for an upcoming quality of life fix if it is confusing to a large number of players.
I hope this clarifies most of your queries.