2.4.2: Bug fixes

What's Changed

• Remove serialization of pfx (#2721) by @IsaacYangSLA in #2746
• Fix missing link by @YuanTingHsieh in #2747
• fix race condition handling if pipe handler (#2729) by @IsaacYangSLA in #2809
• [2.4] Ported newest ReliableMessage to 2.4 by @nvidianz in #2815

Full Changelog: 2.4.1...2.4.2