It’s not entirely clear why Mojang has not updated Minecraft’s Jurassic World DLC, as they have not made any official statement on the matter. However, there are a few possible reasons that could explain the lack of updates.
One reason could be that Mojang and/or the developers of the DLC, which is called “Jurassic World Evolution: Jurassic Park DLC”, do not currently have plans to update it. The DLC was released in 2020 and may be considered a finished product. It’s also possible that the developers are working on other projects or DLCs and simply do not have the resources to update the Jurassic World DLC.
Another reason could be that there are technical or legal issues preventing the update of the DLC. For example, there could be licensing issues related to the use of the Jurassic Park brand or intellectual property, or technical limitations related to adding new content to the existing game.
Finally, it’s also possible that there is simply not enough demand for an update to the Jurassic World DLC. While it was initially popular upon release, the player base may have moved on to other DLCs or games. In this case, it may not make financial sense for Mojang to invest resources into updating the DLC.
Without an official statement from Mojang, it’s difficult to say for certain why the Jurassic World DLC has not been updated.