activemodel 3.0.0.beta3

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

Gemfile:
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install:
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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)
3.0.0.beta3 April 13, 2010 (33 KB)

Show all versions (453 total)

Runtime Dependencies (1):

activesupport = 3.0.0.beta3

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Owners:

Authors:

David Heinemeier Hansson

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Total downloads 795,659,909

For this version 41,709

Version Released:
April 13, 2010 7:22pm

Licenses:
N/A

Required Ruby Version: >= 1.8.7

New versions require MFA: true

Required Rubygems Version: > 1.3.1

Links:

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