The mobile sidebar takes too many taps to go from (say) Files to Search, compounded by a slow animation.
This CSS snippet speeds the animation. Switching sidebar tabs feels much better to me now!
/* Faster mobile sidebar tab transitions https://forum.obsidian.md/t/faster-switching-mobile-sidebar-tabs-search-bookmarks-etc/60869
Another sailKite special! https://discord.com/channels/686053708261228577/702656734631821413/1079627582892429352 */
.is-mobile .workspace-drawer-tab-container > * {
transition: all 300ms ease-in-out 0s, transform 100ms ease-in-out 0s !important;
}