Update 1: 2019/05/01 9:03pm PDT
The Galaxy S10 TWRP version is now up as well. This is still only for the Exynos model, and no, this won’t work on your S10e.
When the Galaxy S9 and S9+ debuted last year, TWRP support for Exynos models became available that same day. Things have taken a little longer for the Galaxy S10, but the recovery is now officially available for the Exynos S10+ model. Read More[Update: S10 too] Official TWRP support now available for Exynos Galaxy S10+ was written by the awesome team at Android Police.