v2026.8.0

What's Changed

• [codex] Stabilize pressure weighting function tests by @dannyzed in #265
• Adds more detailed emission model for oxygen bands by @dannyzed in #261
• [codex] Add Zenodo O3 cross sections by @dannyzed in #266
• Add Bremen IO cross sections by @dannyzed in #267
• Add optimized Rust raytracer and structured 2D tracing by @dannyzed in #270
• Add Baum ice-crystal optical database by @dannyzed in #273
• Add Geometry2D radiative transfer support by @dannyzed in #271
• Optimize exact single-scatter derivatives by @dannyzed in #274
• Add wavelength-batched source integration by @dannyzed in #275
• Fix ECEF ground ray conversion by @dannyzed in #276
• Optimize DISCO derivative calculations by @dannyzed in #277
• Add high-performance Rust two-stream backend by @dannyzed in #272
• Add radiance JVP and VJP interface by @dannyzed in #278
• Optimize DISCO numerical kernels by @dannyzed in #282
• Implement native JVP and VJP for exact single scattering by @dannyzed in #283
• Replace Rust two-stream solver with optimized C++ by @dannyzed in #284
• Add native source-product lifecycle hooks by @dannyzed in #286
• Cache SourceIntegrator atmosphere state safely by @dannyzed in #287
• Release 2026.8.0 by @dannyzed in #291

Full Changelog: v2026.6.0...v2026.8.0