v2.13.0

2.13.0 (2026-06-23)

Features

• add --multilayer-relax-to-self compact multilayer coupling (#684) (7603a3f)
• add cooperative interrupt hooks for long-running runs (#682) (646a986)
• add soft --preferred-number-of-levels depth preference (#678) (e536f22)
• js: add Node.js build for testing and JS pipeline (#686) (5781d9f), closes #685
• lossy map equation with noise modules (feature-flagged) (#656) (ab1301f)
• multilayer cluster-data in the Python/R API (#661) (39478a4)
• stop trials on a codelength plateau with --converge (#666) (474c6ca)
• use pretty console output and migrate to fmt (#648) (6179e00)

Bug Fixes

• correct lossy map equation for reciprocal links and one-level reference (#669) (4cddf5d)
• repair InfoNode API mismatch in materialize-and-free (4d57aff)

Performance Improvements

• arena-pool allocation for InfoNode/InfoEdge in InfomapBase (#650) (f5f93ea)
• build multilayer networks directly into CSR link storage (#680) (b26c71b)
• CSR link storage for ordinary and state network construction (#670) (94d5cba)
• flatten the physical-node module maps to sorted vectors (#653) (a6cdb66)
• key the parse link maps by state id instead of StateNode (#654) (05cadfc)
• materialize-and-free sub-Infomap working sets (#660) (c82cb51)
• move InfoNode feature-only fields out-of-line (#659) (b25099f)
• replace level-synchronous recursion with a task graph (#651) (fc5156d)
• reuse move-sweep buffers and rebuild the inner-parallel commit (#652) (ab3c2db)