ffmpeg hevc_videotoolbox encoder ignores -crf option

When trying to encode a video with the hevc_videotoolbox using command

> ffmpeg -i input_h264.mp4 -c:v hevc_videotoolbox -crf 19 -preset fast -c:a copy output_h265.mp4

gives error `Unrecognized option 'preset'`

> ffmpeg -i input_h264.mp4 -c:v hevc_videotoolbox -crf 19 -c:a copy output_h265.mp4

gives error:
`lhevc_videotoolbox @ 0x15e30f800] Warning: issue with ios 26, setting bit-rate to 1024.00 k.
[hevc_videotoolbox @ 0x15e30f800] Could not set transfer function: -12902`

Using Iphone 15 Pro IOS 26.0
a-shell version 1.16.1