Release 4.0
Submitted by Gael Guennebaud @ggael
Assigned to Nobody
Link to original bugzilla bug (#331)
Description
Note: there is currently no plan at all to start working on a version 4 of Eigen!
This entry is currently aimed at regrouping bugs or features that cannot be considered for the Eigen 3 lifetime because they would either break the API and/or ABI.