Recently Oneplus unveiled Oneplue 5. And it did not take long for the tech giant to release it's dev sources. In a short time developer will get things running.
So a custom recovery for Oneplus 5 has been published, Twrp for Oneplus 5.
If you want to get the Team Win Recovery Project (TWRP) for Oneplus 5 you may want to unlock your bootloader first and head over to the link below to download.
Credits to XDA Senior Member xdvs23.
For instructions head over to XDA via this link
[Download oneplus 5 twrp##download##]