activemodel 4.2.9.rc2

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

Gemfile:
=

install:
=

Versions:

8.1.2 January 08, 2026 (69 KB)
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)
4.2.9.rc2 June 19, 2017 (44.5 KB)

Show all versions (453 total)

Runtime Dependencies (2):

activesupport = 4.2.9.rc2

builder ~> 3.1

Show all transitive dependencies

Owners:

Authors:

David Heinemeier Hansson

SHA 256 checksum:

=

Total downloads 785,109,491

For this version 3,421

Version Released:
June 19, 2017 10:27pm

License:
MIT

Required Ruby Version: >= 1.9.3

New versions require MFA: true

Required Rubygems Version: > 1.3.1

Links:

Homepage Documentation Download Review changes Badge RSS Report abuse Reverse dependencies