If you go to the All Movies calendar the current day does not display any movies.
139 movies premiering between July 14, 2023 and July 21, 2023. (trakt.tv)
If you go back one day, you will see the current day’s movies.
181 movies premiering between July 13, 2023 and July 20, 2023. (trakt.tv)
I check every Friday morning for movie premiers and I noticed this started last week.