Vivo has announced its newest devices in a Chinese event today (March 19, 2019). They are the X27 and X27 Pro. The X27 has 2 variants with either the Snapdragon (SD) 675 or 710, although they both have the same screen and single pop-up selfie camera. The Pro version has a larger display, and a more novel wider pop-up module with a dedicated flash.
https://www.notebookcheck.net/Vivo-has-launched-the-X27-and-X27-Pro-its-newest-pop-up-selfie-cam-phones.414727.0.html