PluginManager.AssemblyNameToPath.TryGetValue(assembly.FullName, out string basePath);
was changed to
PluginManager.PluginGUIDToPath.TryGetValue(PluginManager.AssemblyNameToPluginGUID[assembly.FullName], out string basePath);
However the [assembly.FullName] key is not guaranteed to exist in the dictionary before creation of assets. This will cause crashes when you attempt to access the key.
Easiest to verify on ChampionDataBuilder
On Oct 11th
PluginManager.AssemblyNameToPath.TryGetValue(assembly.FullName, out string basePath);
was changed toPluginManager.PluginGUIDToPath.TryGetValue(PluginManager.AssemblyNameToPluginGUID[assembly.FullName], out string basePath);
However the [assembly.FullName] key is not guaranteed to exist in the dictionary before creation of assets. This will cause crashes when you attempt to access the key.