Hleb Valoshka

> A more precise description of the bug: artifacts when a model self-intersected more than twice. That explains why the bug disappears without meshoptimizer.

Maybe it makes sense not to convert affected textures to avif? And also we need a parameter to disable meshoptimizer on per-object basis.

``` #0 0x0000555555593a22 in BookmarkTreeModel::parent(QModelIndex const&) const () #1 0x00007ffff778bb42 in QTreeView::isIndexHidden(QModelIndex const&) const () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #2 0x00007ffff77296f0 in QAbstractItemView::rowsAboutToBeRemoved(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #3 0x00007ffff779652a in...

I also cannot reproduce it Qt 6. It happens on Ubuntu 18.04 with Qt 5.

5.9.5

let me have some time to check this

@levinli303 do you have any numbers to show benefit?

What resolution your ipad has?

> > What resolution your ipad has? > > 2388 x 1668. The it should use 15MB less, not 30. Am I correct?

> Is it just me, or is there a sprite (or something similar) in the center of the star that increases the brightness and causes some colors to overexpose? Yes,...