Android updates have by no means been very quick or constant, however Google has taken some steps to enhance the method a number of months in the past. That's when it introduced Mission Treble, a characteristic of Android Oreo and later that makes OTAs modular. Units that launch with Oreo will assist Treble, however these up to date to Oreo received't-at least principally. OnePlus has confirmed on its boards that Treble is not going to be a part of any present units, together with the brand new OnePlus 5T.
With Treble units could have a vendor implementation that manages all of the at a low stage. Then, the Android framework plugs into that. Thus, OTA updates don’t want to incorporate new drivers for the silicon. Which means units may be up to date quicker and longer, however solely those that launch with Oreo. Google up to date the 2016 Pixels with Treble, however that was a particular case. Important, too, is reportedly working to make Treble a actuality.
OnePlus launched its new flagship cellphone with Nougat, however some OP followers have been relying on Treble exhibiting up when Oreo launches in early 2018. I've truly had individuals asking me about this one on Twitter, and it was one of many first issues OnePlus discussion board customers requested about when given an opportunity.
The reply is (unsurprisingly) no. None of OP's present telephones will get Treble within the Oreo replace. It's a bummer model new cellphone just like the 5T is omitted of Treble, however the OnePlus 6 ought to have it. Given OP's aggressive launch schedule, you need to have the ability to purchase that cellphone in a couple of weeks. I kid-it'll be like 5 months.