# QUALITY_CHECK dev-0.3.4

## Scope
- Toolbar icon-only rendering.
- Component insertion commands removed from toolbar surface.
- New Content activates Palette tab.

## Static checks
- JavaScript syntax check for scripts/**/*.js.
- Demo inline script syntax check.
- VERSION.json / PACKAGE_MANIFEST.json JSON validation.
- AMD relative dependency existence check.
- ZIP integrity check.

## Regression additions
- Toolbar buttons do not render visible `.uc-tool-label`.
- Toolbar buttons provide `title` and `aria-label` hints.
- `addTextbox` is not rendered as a toolbar button.
- New Content activates Palette tab when Outline was previously active.
