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activemodel 4.2.8.rc1

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

Gemfile:
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install:
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Versions:

  1. 8.1.3 March 24, 2026 (69.5 KB)
  2. 8.1.2.1 March 23, 2026 (69 KB)
  3. 8.1.2 January 08, 2026 (69 KB)
  4. 8.1.1 October 28, 2025 (69 KB)
  5. 8.1.0 October 22, 2025 (69 KB)
  6. 4.2.8.rc1 February 10, 2017 (44.5 KB)
Show all versions (458 total)

Runtime Dependencies (2):

activesupport = 4.2.8.rc1
builder ~> 3.1

Managed By:

Outside Contributors

Authors:

  • David Heinemeier Hansson

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Total downloads 823,946,927

For this version 10,620

Version Released:

License:

MIT

Required Ruby Version: >= 1.9.3

New versions require MFA: true

Required Rubygems Version: > 1.3.1

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