I disabled Auto Upgrade and missed a couple of your releases. Can I upgrade to one of them, and not to the latest?

No, you will be able to upgrade to the latest public version only.

Related articles:

• Where can I find the New Upgrade option?
• I am on Auto Upgrade. How do I know that my sites were upgraded?
• I disabled Auto Upgrade and now use Sandbox Upgrade Mode. How do I know about new version available?

Main articles about New Upgrade:

• ShortPoint SPFx New Upgrade for Office 365 and SharePoint 2019
• ShortPoint SPFx Auto Upgrade Feature
• ShortPoint SPFx Sandbox Mode Feature

You may check other FAQs about ShortPoint Upgrade in this folder.