Try changing the 100k to 10k to Ground @ R15, you can remove the 1MAn update to this issue.
I built the new Dark Rift board and had ticking once it was all boxed up (and sold, of course!). It was only once the rate pot reached its almost extreme which isn’t a big deal to me as I don’t use it like that but could be an issue for the buyer. What I ended up doing was using TL022s in place of the 072s as they are lower current draw and have cured tick in quite a few LFO based builds of mine. I also grounded the footswitch PCB output with a 1M to ground and now it’s just fine and the footswitch pop is a lot more quiet as well.
to ground on the Output after as this usually fixes the pop.