| Bug No. | Date | Description of Bug |
| 12381 | 2015-06-18 | ⎕EX of a large, complex GUI object or class instance can be extremely slow under certain circumstances |
| 12026 | 2015-03-12 | Dyalog generates a DOMAIN ERROR if you do not pass ⎕NULL when you call a c# .NET method that has a nullable argument. |
| 9144 | 2013-01-25 | Type field in the Workspace explorer could display more information |
