v2.4.3

• fix compatibility with Orion browser by @dourado
• apply the patch CSP option to <meta> tags in Firefox e.g. on flickr.com
• fix live preview's magnetic cursor bug from the previous release
• use current timezone in exported file name instead of UTC
• fix catastrophic slowdowns on an unclosed metadata comment
• fix sync buttons not showing

Full Changelog: v2.4.2...v2.4.3