This is the last release of v2 and focused on fixing bugs identified in the v2.9.3 release.

Bugs Fixed

• #7404 - Preserve prototypes when cloning. Thanks @iddings
• #7587 - Fix docs for external moment.js. Thanks @mojoaxel
• #7853 - Fix box recursion when dimensions are NaN. Thanks @alessandroasm
• #7883 - Fix call stack exception when computing label sizes. Thanks @silentmatt
• #7918 - Prevent global prototype pollution via the merge helper
• #7920 - Use Object.create(null) as merge target, to prevent prototype pollution