v5.3.9

What's Changed

• fix: lower version browsers do not support optional chain syntax by @zt123123 in #2058

New Contributors

• @JPustkuchen made their first contribution in #2053
• @hzpeng57 made their first contribution in #2055
• @zt123123 made their first contribution in #2058

Full Changelog: v5.3.8...v5.3.9