ONESOURCE E-Invoicing release schedule 2026

Release schedule for product updates and enhancements for ONESOURCE E-Invoicing as well as SAP and Oracle Connectors.

ONESOURCE E-Invoicing

Release ID
UAT Date
Production Date
OEI2026.R1.0.0
Feb 26, 2026
Mar 19, 2026
OEI2026.R2.0.0
Apr 23, 2026
May 14, 2026
OEI2026.R3.0.0
Jun 25, 2026
Jul 16, 2026
OEI2026.R4.0.0
Aug 27, 2026
Sep 17, 2026
OEI2026.R5.0.0
Oct 22, 2026
Nov 12, 2026
OEI2026.R6.0.0
Nov 26, 2026
Dec 10, 2026

SAP Connector

Release ID
Package Date
SAP S4 2.2.1.0
March 31, 2026
SAP ECC 2.2.0.0
May 19, 2026
SAP S4 2.3.0.0
May 19, 2026
SAP ECC 2.3.0.0
June 30, 2026
SAP S4 2.4.0.0
June 30, 2026
SAP ECC 2.4.0.0
September 30, 2026
SAP S4 2.5.0.0
September 30, 2026
SAP ECC 2.5.0.0
December 18, 2026
SAP S4 2.6.0.0
December 18, 2026

Oracle Connector

Release ID
Package Date
ORACMK 26 R2.1.0.0
March 24, 2026
ORACMK 26 R2.2.0.0
May 19, 2026
ORACMK 26 R2.3.0.0
June 30, 2026
ORACMK 26 R2.4.0.0
September 22, 2026
ORACMK 26 R2.5.0.0
December 1, 2026