Nope! Not by the rules for no major glitches, the only banned glitch in that category is door overflow
Warping straight to the Mansion from the Cyber Field saves more than 20 minutes, so it makes sense why it would be banned in NMG. Skipping Spamton in this city saves around a minute and a half, which isn't nearly as much as the former. Glitchless bans all skips and exploits including but not limited to wrong-warping. (though Toby specifically left it in for speedrunners)
About a month ago, there was a community poll held in the discord to add IGT to Deltarune. After a close poll of about 70 to 5, we have added the use of IGT to the game. This IGT only makes a difference to the All Chapters categories, removing the time spent switching between chapter 1 and chapter 2
