Nintendo's fix notes for the most recent update doesn't utter a word explicit about the thing duplication glitch, yet essentially expresses that "issues to additionally guarantee a charming gaming experience" have been tended to. Since the fix came out on May 21, clients have broadly announced that the thing duplication glitch that permitted them to copy Nook Miles Tickets is did not work anymore, persuading that it was expelled with the ACNH Items update.
This isn't the main thing duplication glitch to be found and fixed out of Animal Crossing: New Horizons, nor will it most likely be the last. Every glitch has been more helpful than the last. The first thing trick glitch must be utilized on things that could be set inside players' homes, and included controlling furniture in specific approaches to cause the thing duplication.
The following glitch, whereupon the ongoing NMT glitch was assembled, utilized the lolga in-game mail framework, yet was constrained to copying just a couple of things that could be sent through the mail. Both of these glitches were fixed out of the game decently fast.