We can able to reproduce this issue from our end as well. Currently we are escalating this issue to our engineering team,
Will update you their feedback very soon.
We have created Redmine case for this issue.
We will update you once we get fix.
Hope you are doing good.
This is regarding partition pruning which you reported. Below is further update on this issue.
About Fix, "Since there is small behavior change in the area of immutable function, We have not back-ported these changes beyond v11. due to some customer applications already dependent on existing behaviour. So, We are releasing this fix along with major coming version v11."
Thanks & Regards,