Most legacy maps remain compatible, but update your .pak and .iwd files to avoid loading errors.

Wait, the user might be a modder or someone running a server. They might need specific configuration updates or server-side changes included in the patch. Maybe the update includes optimizations for better performance, new maps, or weapon tweaks. I should highlight those aspects.

Potential issues: The user's original query is a bit unclear. I need to make sure I'm not making assumptions beyond what's reasonable. If "wh" isn't Windows Hosting, maybe it's something else. But given common abbreviations, "wh" is a likely candidate. Still, it's good to mention possible alternatives in the article, like Wasteland or Winter Wasteland maps if that's a possible confusion.