ARTS 2.6.20

We recommend to install ARTS in Miniforge3 with mamba install -c rttools pyarts
Conda packages are available for Python 3.11, 3.12, 3.13 and 3.14 (Linux, macOS and macOS Intel).

What's Changed

• Fix segfault when initiating Time with bad string by @riclarsson in #1113
• Parallelize run_cdisort by @m-brath in #1121
• fix: correct Wigner-3j m-index ordering in reduced_rovibrational_dipole by @olemke in #1133
• Add disort_aux to DOBatch by @m-brath in #1160
• Add errata by @riclarsson in #1164
• fix: correct sinefit baseline indexing in calcBaselineFit by @olemke in #1167
• fix: replace O-6 partition function with HITRAN data by @olemke in #1169
• fix: avoid numpy 2.5 segfault in py_macros property getters by @olemke in #1170
• feat: add MT CKD 4.30 water continuum model by @olemke in #1176

Full Changelog: v2.6.18...v2.6.20