TWRP 3.2.0-0 is out now for most currently supported devices.
What's new in 3.2.0-0:
Allow restoring adb backups in the TWRP GUI (bigbiff)
Fix gzip backup error in adb backups (bigbiff)
Fix a bug in TWRP's backup routines that occasionally corrupted backup files (nkk71)
Better support for installing Android 8.0 based zips due to legacy props (nkk71)
Support vold decrypt with keymaster 3.0 in 8.0 firmwares (nkk71)
Decrypt of synthetic passwords for Pixel 2 (Dees_Troy)
Support newer ext4 FBE policies for backup and restore in libtar (Dees_Troy)
v2 fstab support (Dees_Troy)
Bring TWRP forward to android 8.0 AOSP base (Dees_Troy)
Various other minor bugfixes and tweaks
https://dl.twrp.me/grouper/