Release v3.1.0 on 2026-10-05

Major changes (Non-zero difference)

• Updates for new GCM v11.11.0 Release by @sdrabenh in #1529
  • Gravity-wave drag overhaul
  • Convection updates and retuning
  • Cloud microphysics and macrophysics updates
  • Aerosol activation bounds and scaling
  • Enhancements to PBL/turbulence and coupling
• Fix gw_intr_ncar call in GWD GC by @mathomp4 in #1537
• Fixes #1482: spurious source of water by @narnold1 in #1483
• Guard zero divisions in gravity wave fixers and Obukhov length by @mathomp4 in #1530
• Merge in updates from GEOS-CAM_v12 by @sdrabenh in #1531
• fix ISSM initialization by @biljanaorescanin in #1523
• undef values if not issm tiles by @weiyuan-jiang in #1526
• Make direct ESMF regridding deterministic by @mathomp4 in #1525
• Fixes for Datmodyn by @mathomp4 in #1534

Full Changelog: v3.0.2...v3.1.0