A Couple of questions on Upsampling Crash & PRV copy/paste

[Tez]

Upsample On Render

Setting a VSTi to Upsample On Render for better performance and the FX plugins used, I found these issues using Fast Bounce. With the VSTi and 1 FX plugin set, the render proceeded at the pace of geologic time and hence canceled the render, with more than 1 FX plugin set CbB crashed without a dump. Is this a bug? I found nothing in the documentation prohibiting Fast Bounce for Upsampling... Not using Fast Bounce works fine!

PRV copy/paste

Under Editing, “Use Paste Special Options on Paste” and Under Paste Special “Paste into Existing Clips” are both selected, but in a MIDI clip in the PRV, when a copy of a note sequence from one part of clip  is then pasted into different location using Ctrl + V,  it’s pasted as new clip the length of which is equal to the start of the sequence being copied to the end of the original clip. This forces the use of Paste Special to paste into the existing clip, is this a bug?

Edited August 29, 2021 by Tez