| Reference | Summary | Fixed also with |
| ACI0104290 | Current process debug log without bit #4 (16) may crash on any plugin call | 20 R3 20.3 HF1 |
|---|---|---|
| ACI0104406 | 4D may freeze when a query (with a composite index) is running after executing the 4D command 'QUIT 4D'. | 20.3 HF1 |
| ACI0104536 | A perfectible management of internal connection processes (workers) can cause the 4D Server to crash during new connection attempts. | |
| ACI0104549 | A memory corruption when using SSO with ServerNet could occur and generate a freeze of 4D Remote (from client side). | 20 R4 20.3 |
| ACI0104561 | Printing with Adobe Acrobat Pro as printer will cause crash | 20 R4 20.3 |
| ACI0104582 | When an updated structure file is opened with an "old" data file, the data file overwrites the unique setting of the structure catalog with "unique_key=true", causing the structure setting to be lost. | 20 R4 20.3 |