The `smooth` scroll behavior is not fully supported with dynamic size. Error Component Stack
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Description
Describe the bug
After scrolling with behavior: "smooth" I get the warning:
The smooth scroll behavior is not fully supported with dynamic size. Error Component Stack
What does "not fully supported" mean?
It works fine in Chrome
Your minimal, reproducible example
Steps to reproduce
rowVirtualizer.scrollToIndex(123, { align: "center", behavior: "smooth" });
Expected behavior
no
How often does this bug happen?
None
Screenshots or Videos
No response
Platform
tanstack-virtual version
TypeScript version
No response
Additional context
No response
Terms & Code of Conduct
- I agree to follow this project's Code of Conduct
- I understand that if my bug cannot be reliable reproduced in a debuggable environment, it will probably not be fixed and this issue may even be closed.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the rowVirtualizer.scrollToIndex call using align: "center" and behavior: "smooth", then trace how smooth scrolling interacts with dynamic sizing. Reproduce the warning with a minimal example and determine which dynamic-size cases are unsupported; done means the behavior is documented or the reported case no longer warns or fails.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100