Niantic has updated the official GO Battle League Known Issues support page for Pokemon GO. Read on below to learn more.
GO Battle League Known Issues
Inaccuracy of Protect Shield Display Description:Protect Shield animation will still play even if a Protect Shield fails. Issue status:Mitigated in 0.243.
The issue of Protect Shield Failure is unknown. Status of issue:Mitigated in 0.243. Further improvements are being being investigated.