activemodel 8.1.0

A toolkit for building modeling frameworks like Active Record. Rich support for attributes, callbacks, validations, serialization, internationalization, and testing.

Gemfile:
=

install:
=

Versions:

8.1.1 October 28, 2025 (69 KB)
8.1.0 October 22, 2025 (69 KB)
8.1.0.rc1 October 15, 2025 (69 KB)
8.1.0.beta1 September 04, 2025 (69 KB)
8.0.4 October 28, 2025 (67.5 KB)

Show all versions (452 total)

Runtime Dependencies (1):

activesupport = 8.1.0

Show all transitive dependencies

Owners:

Pushed by:

Authors:

David Heinemeier Hansson

SHA 256 checksum:

=

Total downloads 759,829,650

For this version 205,734

Version Released:
October 22, 2025 12:35am

License:
MIT

Required Ruby Version: >= 3.2.0

New versions require MFA: true

Version published with MFA: true

Links:

Homepage Changelog Source Code Documentation Mailing List Bug Tracker Download Review changes Badge RSS Report abuse Reverse dependencies