Selected changes from the previous release (2026S, 63701e6c) New Features: * H-formulation magnetostatic/quasistatic PDEs with OpenMP parallelization (e10128ef) * Adaptive time step size control for BDF2 and Newmark time integration (7a5313eb) * Matrix assembly mode to speed up harmonic analyses (552c2008, 9ae4139f) * Multiload acoustic topology optimization with multipleExcitation support and tooling (beaa7639, 87a9df15) * Feature mapping extensions: alpha scaling, 3D capsules, exact Hessian (cbc320d9), asymmetric transition and Hessian (8996d141) * COCR iterative solver for symmetric complex non-Hermite indefinite matrices (d7f90675) * LIS 2.1.11 with complex matrix support (fbe18bbf, 8d65c47d) * performance.py rewrite: multiple analysis modes, memory analysis, robust timer sorting, compare, output formats (5b1b9908, 8ce927d8, c3bc9e10, b1e91703, 9ed423bf, 072b45c7) * CFS internal XML mesh description 'regular' (6b0a8753) Bugfixes and Improvements (selected): * Fix Harmonic Reassembly logic (9ae4139f) * Fix parallel Cholmod (cf9807c9) * Fix deadlock in CoefFunctionGridNodal/Elem (f576d23b) * UMFPACK refactorization and auto-selection (6d98295c) * Fix result reading from externalSimulation (0ba042f5) * Python 3.14 compatibility fixes (075b9fca) * Fix minor bug in PardisoSolver (c1d8f218) * Fix default solver cholmod and superlu (1c309bcb) * Shaper tolerance for SmoothSpline B-H curve inversion (d92ecd28) Developer Notes: * Updated cfsdeps: - SuiteSparse to v7.13.0 (7f52f6ea) - Ginkgo from v1.9.0 to v1.11.0 (501b2a4a) - SNOPT from 7.2 to 7.7.7 (71a0aa28) - LIS to 2.1.11 with complex support (fbe18bbf) - Boost to 1.91 (d444733c) - HDF5 to 1.14.6 with 1.10 file format support (3938ef09) - Precompiled handling improvements (290b0b0d, b12c265b, 445763d3, 5b81c093, 181dbde0, af66fa22, ed147a7d) * Build system: - Minimum CMake version set to 3.24 (41e1deb6) - Refactored HDF5 input/output to plain C-API (d2b76a0f) * Pipeline improvements: - All tests made stable (removed 'unstable' label) (1fa328c1) - Added nightly sanitizer builds (e2ba9783) - RHEL 8 established as oldest supported system (740dbd61) - Switched release builds to gcc (9e85673c) - Ubuntu 24.04 as primary test system (d7563ebb) - Comprehensive ccache integration (18f6012f, 48776514) * Code quality, refactoring, etc.: - Enforce error on warnings for all builds (50b7d3ee) - Fix compiler warnings and remove suppressions (2dba940e, f76fa057, ddcf6f8e) - Remove dead code and unnecessary includes (87e52804, db51539a) - HDF5 input/output refactored to plain C-API (d2b76a0f) - Fix `IS_LOG_ENABLED` macro to properly check log level (a5d96b36) - Deterministic assembly option for linear systems (3fe22d3c) - Fix memory leaks and data races found by fsanitize (d5397362, fa49e04b, b0b66525, e12a0610, 65248e8a) - Fix data race in quadratic Lagrange shape functions (0120d2a9) - Fix race in CoefFunctionGridNodalInterp - fixes LighthillVector (769e6b4d) - Fix race within LagrangeElemShapeMap (4a0a4e56) - Fix not closed group (DB multi sequence) on closing hdf5 (68fc8ccc) - Fix write to too small memory in PalmSolver (107a8061)