UE5 multiplayer & GAS problems

What was the hardest multiplayer, GAS or performance problem you hit in Unreal in the last 90 days? 5 short questions, about 2 minutes. Only the first problem question is required.

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1 Your role (optional)

Solo / indie developer Programmer at a studio Tech lead / technical director Producer or studio owner Other

2 In the last 90 days, what was the hardest multiplayer, GAS or performance problem you hit in Unreal? A sentence or two is plenty.

3 What did it affect? (optional)

Not much Slowed my work Missed an internal deadline Delayed a demo, playtest or milestone Delayed a release or a client/publisher commitment

4 How long did it take to deal with? (optional)

5 How did you solve it (or try to)? (pick all that apply)

Figured it out myself A teammate Docs, forums or Discord Bought a plugin or asset Hired a contractor or co-dev studio Not solved yet

Anything else? (optional) UE version, what you tried, or anything we missed. If you're open to a 20-minute follow-up chat, leave an email. It's used only for that.

Thanks, that's genuinely useful.