DB Link V5.3 Release Notes > RDBMS Client Version Changes
 
RDBMS Client Version Changes
All drivers for IBM® Informix® have been ported to CSDK 3.5. This provides support for IBM Informix servers from version 5 to 11; hence, for most ports, only one Informix driver is now present.
While no specific driver has been developed for Sybase® version 15.x, tests have shown the drivers are compatible with Open ClientTM version 15.

Version 5.8
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