The minus world ending glitch is only possible on the FDS version of the game, which was released in Japan. In the submission, the region category is referring to the country the game was released in, rather than the console it is being played on. We don't use milliseconds for slower times since it takes more time to calculate and approve runs, and the level of precision isn't really required. Hence, it has always been a policy that times are only given millisecond precision if they are both under a certain threshold and a moderator retimes it accurately.
Effective immediately, any submissions using the SNES9x emulator will not be verified. The SMB1 mod team has concerns about its integrity due to its ability to overclock and remove lag frames, which may not be easily detectable. Additionally, we request that all BizHawk submissions avoid using the S