TLDR: It has been confirmed that Primetime will not be released in Malaysian cinemas, as the LPF board has banned it.

Primetime Initially Announced to be Released on Oct 8
A few months back, it was known that Primetime would be hitting Malaysian cinemas, with Malaysian audiences highly excited for the upcoming A24 film.
Primetime has already been released in other countries and is also getting great reviews for depicting the predator-hunter, Chris Hansen.
The Announcement Made by Antenna Entertainments
Antenna Entertainments, the distributor for Primetime, made the announcement on their social media platforms regarding the ban.

Stay tuned for further updates regarding the matter.