This is a maintenance release to bridge the time until Unpoly 3 Show archive.org snapshot is completed. This release includes the following changes:

• When pushing a history state, don't mutate the previous history state.
• Fix a bug where the [up-animation] attribute could not be used to control a new overlay's opening animation.
• The NPM package is now 800KB smaller.

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

Read more Show archive.org snapshot

This is the last release with support for Internet Explorer 11. Future releases will support Chrome, Firefox, Edge and the last two majors of Safari.