- Patch #276008 by lilou, Arancaytar: missing user agent should not trigger a notice per the HTTP specification.

- Patch #276615 by mikeytown2: only clear the CSS cache when submitting the form, not when displaying the form.

- Patch #391412 by JamesAn et al: move contact form, post, and user settings below Site configuration.

- Patch #221399 by smk-ka, jeffschuler, lilou, earnie et al: make it possible to enable blocks on 404 pages.

- Patch #413192 by catch et al: make taxonomy terms fieldable (not to be confused with taxonomy terms as fields).