The new solution für reading SAP also for Open Studio is announced here: https://community.talend.com/s/question/0D55b00008ZDO14CAH/new-open-studio-compatible-solution-to-re...
The solution is updated. Both, the components and also the optional service got updates to improve error handling and reliability.
Please take a look here: https://github.com/jlolling/talendcomp_tSAPRFC
Download of the components as usual in the Release section.
Please consider using the service instead of shipping the sapjco-lib in every job. How to is also described in the component documentation.
Here the link to the service repository: https://github.com/jlolling/SAPRFCProxyServer