This table describes the changes to NSObject Protocol Reference.
| Date | Notes |
|---|---|
| 2008-12-22 | Updated discussion of retainCount method. |
| 2007-07-19 | Updated definition of release, added a clarification to -hash, and added links to companion documents. |
| 2006-06-28 | Updated to conform to reference consistency guidelines. |
| 2006-05-23 | First publication of this content as a separate document. |
Last updated: 2008-12-22
