Recent CMS+ATLAS meeting with minutes and contributions:

https://indico.cern.ch/event/1681040/

https://indico.cern.ch/event/1692904/

- 8 TeV JES combination note:

https://cds.cern.ch/record/2104039/files/JME-15-001-pas.pdf

- recent JES correlation:

atlas-jetetmiss.docs.cern.ch/recs/correlating-uncertainties/#more-information