NW 7.4 SP08 was released on Sep 15th.
Now all new features that became recently available with SAP Gateway 2.0 SP9 that have been described in the SCN documents What’s new in SAP Gateway 2.0 SP9?and Details about some new features in SAP Gateway 2.0 SP09 are now also available in the software component SAP_GWFND in SP08 of NW 7.4.
In SAP Note 1942072 – SAP NetWeaver Gateway 2.0 Support Package Stack Definition it is described which SP level on 7.40 is equivalent to which SP level of SAP NetWeaver Gateway 2.0 running on a release 7.31 and earlier.
Please find here the release notes: http://help.sap.com/nw74.
With NW 7.4 SP10 we are now developing SAP Gateway on 7.40. As a result new features for SAP Gateway will become available with every new SP in SAP NW 7.4. A downport to SAP Gateway 2.0 is planned to be performed every two 7.4 SP’s.