Their ""Year End Processing Resources for Sage 100"" article was partially updated. It says they released the IRD and 2018 TTU last week. Let me know if you can find them online, I can't.
""Minimum supported versions of Sage 100 for year-ending 2017: (for more details see Sage 100 Supported Versions and Sage 100 Update Release Schedule articles below)
Sage 100 2017 Update 1 (5.40.1)
Sage 100 2016 Update 3 (5.30.3)
Sage 100 2015 Update 5 (5.20.5)
Reminder: the 2017 IRD and 2018-Q1 TTU are the last updates that will be released for Sage 100 2015.
Product and tax table updates for year-end 2017
2017 Interim Release Download was released December 14th
2018-Q1 Tax Table Update was released December 14th
eFiling and Reporting (Aatrix) year end update was released by automatic update on December 12th
Note: The applicable Update, 2017 IRD and Aatrix year end update should be installed before processing W2, ACA or 1099 forms for tax filing year 2017 (for more details see attached 2017 Year End FAQ) ""
https://support.na.sage.com/selfservice/viewdocument.do?noCount=true&externalId=49810&sliceId=1&cmd=displayKC&dialogID=203412&docType=kc&isLoadPublishedVer=&stateId=203417&docTypeID=DT_Article&ViewedDocsListHelper=com.kanisa.apps.common.BaseViewedDocsListHelperImpl