See versioning for details of Inform's version numbering.
Links in the following table are to the archive of release notes. This is in chronological order, with the current release at the bottom.
Pending changes made in this repository but not yet included in any release can be found here.
| Codename | Version | Build | Date | Highlights |
|---|---|---|---|---|
| Aluminium | 1.1 | 3K27 | April 2006 | Public launch |
| ... | 1.2 | 3K56 | May 2006 | -- |
| ... | 1.3 | 3L95 | May 2006 | -- |
| ... | 1.4 | 3M43 | May 2006 | -- |
| ... | 1.5 | 3P53 | June 2006 | -- |
| ... | 1.6 | 3R85 | June 2006 | -- |
| ... | 1.7 | 3T38 | July 2006 | -- |
| Beryllium | 2.1 | 3V01 | August 2006 | Glulx support |
| ... | 2.2 | 3Z95 | September 2006 | -- |
| ... | 2.3 | 4B91 | November 2006 | -- |
| Carbon | 3.1 | 4F59 | December 2006 | Reform of phrase definitions |
| ... | 3.2 | 4K40 | January 2007 | -- |
| Dysprosium | 4.1 | 4S08 | March 2007 | Added Linux platform |
| ... | 4.2 | 4U65 | May 2007 | -- |
| ... | 4.3 | 4W37 | July 2007 | -- |
| ... | 4.4 | 4X60 | August 2007 | Recipe Book |
| Europium | 5.1 | 5G67 | November 2007 | Indexed text, stored actions |
| ... | 5.2 | 5J39 | December 2007 | Lists |
| Fluorine | 6.1 | 5T18 | April 2008 | Pythonesque indentation rules |
| ... | 6.2 | 5U92 | September 2008 | Adjectives applied to all values |
| Gallium | 7.1 | 5Z71 | April 2009 | Better releasing, new-look Index |
| ... | 7.2 | 6E36 | April 2010 | -- |
| Hydrogen | 8.1 | 6E59 | June 2010 | Parchment support, functional programming |
| ... | 8.2 | 6E72 | July 2010 | -- |
| ... | 8.3 | 6F92 | October 2010 | -- |
| ... | 8.4 | 6F95 | October 2010 | Quixe support |
| ... | 8.5 | 6G60 | December 2010 | -- |
| Iron | 9.1 | 6L02 | May 2014 | Language reforms, unifying text |
| ... | 9.2 | 6L38 | August 2014 | Added Android platform |
| ... | 9.3 | 6M62 | December 2015 | Extension projects, unifying actions |
| Krypton | 10.1.0 | ---- | August 2022 | Inter, open source |
| ... | 10.1.1 | ---- | August 2022 | Fixing minor build error in 10.1.0 |
| ... | 10.1.2 | ---- | August 2022 | Minor bug fixes |