WordPress core auto update fails for UpdraftPlus WordPress Backup Plugin

Seems that the plugin includes SDKs for various cloud storage, which makes it too large for WordPress to carry out an auto update for it.

What’s the specific cloud storage do you use for backup? or do you just back up to your VPS? Maybe you can consider turn to an alternative that comes with support for your cloud option but is normal in size, you can check out this one: WPvivid Bakcup/Restore.