20140630

• AMPL Solver Library version 20140617: changelog
• Gecode version 4.2.1
• JaCoP version 4.1

COIN-OR Solvers

• Bonmin version 1.7.4
• Cbc version 2.8.8
• New: Couenne (Convex Over and Under ENvelopes for Nonlinear Estimation), a COIN-OR solver for Mixed-Integer Nonlinear Programming (MINLP) problems, version 0.4.7
• Ipopt version 3.11.8

All binaries are available for download from the AMPL Open-Source Downloads page.