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gbirman
commented
Dec 9, 2025
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im commenting this (user typing scroll to bottom) out cuz i think it's annoying, we can leave in though. but i would use the scroll bottom api with force bottom. lmk
sedson
approved these changes
Dec 10, 2025
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Summary
there is some complicated interplay between the message list height and the virtualizer's own inner height estimations. my guess is the image preview suspense loading affects things, but even if you try to listen for size changes the virtualizer doesn't update its internals.
this fix uses
scrollIntoViewapi on the target element. i also ensure that the active target highlight starts after the element is scrolled into view so that it doesn't flash too quickly for an older message. also do a bunch of code cleanup.Screenshots, GIFs, and Videos
CleanShot.2025-12-09.at.17.56.56.mp4