Fix list for Informix Server 14.10.xC14W4 and Informix Client SDK 4.50.xC14W4 releases


Abstract

Informix provides periodic fixes for the 14.10/4.50 releases. The following list is the most recent report of defect fixes for customer-reported defects in the Informix Server 14.10.xC14W4 and Informix Client SDK 4.50.xC14W4 releases. This report combines both Windows and UNIX-specific defect fixes.

Content

Fix Pack 14.10.xC14W4/4.50.xC14W4
Fix release date: 20 Oct 2026
Download: IBM Fix Central

KI IDKnown Issue Abstract
DT503055Optimizer ignores the ALL_ROWS directive and picks a slow plan for queries with a large IN list when OPT_GOAL=0.
DT502070ON-Bar Level 0 backup can fail when using SSL with BAR_MAX_BACKUP greater than 1.
DT497589Stored procedure that selects from nested views fails with an assertion failure in itbldscan().
DT503296ESQL/C application crashes with “Floating exception” when FET_BUF_SIZE is set to a non-default value.

Document Information

Modified date:
22 October 2026