Troubleshoot and Optimize Steam Deck Setup

I’ve hit a wall fine-tuning my Steam Deck for Pokémon and need a technically minded pair of hands to finish what I started. Here’s where I’m stuck: • PKHeX is still on an old build. I’d like the newest release installed, fully working with the saves I already have... (Budget: £10 - £20 GBP, Jobs: Firmware, Game Development, Performance Tuning, Technical Documentation, Technical Support, Troubleshooting)