Spikes are increased fall damage

What are you trying to say?
The title and summary seem to be different issues but they both seem completely normal.

I'm pretty sure this is WAI because pointed dripstone is supposed to cause damage when fallen on. I may be wrong though. How high did you fall from?

I just jumped on the block no potion effects

while standing on it

Most likely a duplicate of MC-206674, if not WAI

We do not have enough information to find the cause of this issue.

Please record a video of this happening and attach it to this report.
If you are on Windows, you can use Windows+Alt+R to open a built-in App for recording game footage.
In case you don't have a program to record videos, we recommend using the free recording software OBS.
In case the resulting video file is too large to be uploaded to the bug tracker directly, please upload it elsewhere (e.g. as unlisted video on YouTube) and link to it here.

_{This issue is being temporarily closed as Awaiting Response. Once the requested information has been delivered, the report will be reopened automatically.}

Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki

video provided

This is a feature request.

wdym