activemodel 4.2.0.beta2

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

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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)
4.2.0.beta2 September 26, 2014 (44 KB)

Show all versions (453 total)

Runtime Dependencies (2):

activesupport = 4.2.0.beta2

builder ~> 3.1

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Owners:

Authors:

David Heinemeier Hansson

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Total downloads 801,643,139

For this version 45,711

Version Released:
September 26, 2014 5:44pm

License:
MIT

Required Ruby Version: >= 1.9.3

New versions require MFA: true

Required Rubygems Version: > 1.3.1

Links:

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