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activemodel 4.0.9

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

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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. 4.0.9 August 18, 2014 (44.5 KB)
Show all versions (458 total)

Runtime Dependencies (2):

activesupport = 4.0.9
builder ~> 3.1.0
Show all transitive dependencies

Managed By:

Rails

Outside Contributors

Authors:

  • David Heinemeier Hansson

SHA 256 checksum:

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Total downloads 831,756,587

For this version 131,624

Version Released:

License:

MIT

Required Ruby Version: >= 1.9.3

New versions require MFA: true

Links:

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