activemodel 4.2.0.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)
4.2.0.rc2 December 05, 2014 (44.5 KB)

Show all versions (453 total)

Runtime Dependencies (2):

activesupport = 4.2.0.rc2

builder ~> 3.1

Show all transitive dependencies

Managed By:

Rails

Outside Contributors

Authors:

David Heinemeier Hansson

SHA 256 checksum:

=

Total downloads 804,938,889

For this version 22,671

Version Released:
December 5, 2014 11:19pm

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