The most recent IGs introduced in the ECA are GIG-03 and SIG-14.
SIG-14 D3-Dynamics, Disorder, Diffuse scattering was approved during the Council Meeting at IUCr2017. The Inauguration document is available here.
GIG-03 Education in Crystallography was approved during the Council Meeting at ECM30. Please visit their webpage.
If you are interested in proposing an IG, check the section “How to start a new SIG or GIG?” in page About Interest Groups.