The primary technical hurdle in Mugen is standardization. A character created in 2005 uses different coding logic than one created in 2023. When pitted against each other, glitches occur—infinites, incorrect hit-sparks, or damage scaling failures.
If a specific blog post doesn't have what you need, these communities host the latest individual character patches: MUGEN Database (Fandom): Blog Posts category mugen all characters patched