nvcodec not detecting cudaconvert and cudascale on cuda 11

gst-inspect output from gst-plugins-bad compiled from commit 32b0afb6083037e763b3d01fb930fd9fe578bffe (latest master as of now).

# gst-inspect-1.0 nvcodec
Plugin Details:
  Name                     nvcodec
  Description              GStreamer NVCODEC plugin
  Filename                 /usr/lib/gstreamer-1.0/libgstnvcodec.so
  Version                  1.18.0
  License                  LGPL
  Source module            gst-plugins-bad
  Source release date      2020-09-08
  Binary package           GStreamer Bad Plugins (Arch Linux)
  Origin URL               https://www.archlinux.org/

  nvmpegvideodec: NVDEC mpegvideo Video Decoder
  nvmpeg2videodec: NVDEC mpeg2video Video Decoder
  nvmpeg4videodec: NVDEC mpeg4video Video Decoder
  nvh264sldec: NVDEC H.264 Stateless Decoder
  nvh264dec: NVDEC h264 Video Decoder
  nvjpegdec: NVDEC jpeg Video Decoder
  nvh265sldec: NVDEC H.265 Stateless Decoder
  nvh265dec: NVDEC h265 Video Decoder
  nvvp8dec: NVDEC vp8 Video Decoder
  nvvp9dec: NVDEC vp9 Video Decoder
  nvh264enc: NVENC H.264 Video Encoder
  nvh265enc: NVENC HEVC Video Encoder
  cudadownload: CUDA downloader
  cudaupload: CUDA uploader

  14 features:
  +-- 14 elements

I don't see cudaconvert or cudascale. For now I'm making do with videoconvert, but I would like to avoid that extra CPU usage if possible. I'm running a RTX 4000 GPU for reference.

# uname -a
Linux 66-115-166-74 5.8.14-arch1-1 #1 SMP PREEMPT Wed, 07 Oct 2020 23:59:46 +0000 x86_64 GNU/Linux

Output from NVIDIA-SMI:

| NVIDIA-SMI 455.28       Driver Version: 455.28       CUDA Version: 11.1     |