Severe
Severe is a paid Roblox external for Windows that has 2.8h average update time, with Decompiler. Official Discord link.
Official Severe links
Is Severe free?
No. Severe is paid: $9.50 Lifetime.
What platforms does Severe run on?
Severe runs on Windows.
Is Severe updated?
Yes. Severe for Windows is updated for the current version of Roblox.