v1.6.0

What's Changed

• build(deps-dev): take adm-zip to 0.6.1 and empty the audit allowlist by @dknauss in #193
• docs(planning): record v1.5.4 as shipped and live on WordPress.org by @dknauss in #194
• fix(editor): re-icon preview on image-icon plugins, and offer every dashicon by @dknauss in #195
• feat(compat): warn in edit mode when Admin Menu Editor is active by @dknauss in #196
• feat(editor): add, move, and remove menu separators by @dknauss in #197
• fix(compat): start the edit toolbar where a widened admin menu ends by @dknauss in #199
• fix(multisite): keep edit mode and top-level order out of network and user admin by @dknauss in #198
• fix: pre-1.6.0 release-review fixes (focus contrast, submenu alignment, separator hardening) by @dknauss in #200
• chore(release): v1.6.0 by @dknauss in #201

Full Changelog: v1.5.4...v1.6.0