There's been no new announcements for the US. The overseas markets have GX hybrids and they use the same motor as the Land Cruiser gets in the US. The benefits don't seem to be worth it. In models with the third row the trunk becomes useless even with the seats down due to the seats being mounted on top of the battery which itself:
View attachment 10370
(note the new LX OT hybrid has a similar comically compromised trunk)
View attachment 10371
You get minimal gas mileage increase, which is offset by a smaller fuel tank, you get a lower tow rating, and a less refined sounding powertrain.
Maybe there will be changes for the US market to make it more well rounded and fix packaging, but currently based on the foreign market hybrid shown above I don't see any reason to get it over the gas.