fix: create default slot in custom elements without initial children#17705

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veeceey wants to merge 4 commits intosveltejs:mainfrom

veeceey:fix/issue-13638-custom-element-default-slot

Commits on Feb 14, 2026

fix: always create default slot in custom elements even without initial children
veeceey
committed

Commits on Feb 15, 2026

Add changeset and expand test coverage per review feedback
veeceey
committed

Commits on Feb 19, 2026

Merge branch 'main' into fix/issue-13638-custom-element-default-slot
veeceey
authored

Commits on Feb 20, 2026

fix: remove invalid fallback content assertion from custom element test

veeceey
and
claude
committed