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activemodel 5.1.1

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. 5.1.1 May 12, 2017 (49.5 KB)
Show all versions (458 total)

Runtime Dependencies (1):

activesupport = 5.1.1
Show all transitive dependencies

Managed By:

Rails

Outside Contributors

Authors:

  • David Heinemeier Hansson

SHA 256 checksum:

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Total downloads 824,308,384

For this version 1,289,420

Version Released:

License:

MIT

Required Ruby Version: >= 2.2.2

New versions require MFA: true

Links:

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