AMReX-Astro/Castro: Castro 26.03

Published March 2, 2026 | Version 26.03

Software Open

1. Center for Computational Sciences and Engineering, Lawrence Berkeley National Laboratory
2. Department of Physics and Astronomy, Stony Brook University

26.03

fix the embiggener compilation (#3285)
fix the time used in post-timestep regridding error estimators (#3284)
github action CI version updates (#3283)
fix the value of dx in the SCF diagnostic code (#3278)
fix the initial state in the SDC Newton subdivide solver (#3276)
fix a check on the maximum number of iterations in binary.H (#3277)
fix the computation of zone location in hybrid momentum for old gravity source (#3280)
fix bounds issue in radiation flattening (#3279)
doc updates for point mass gravity (#3273) and accessibility (#3205)
fix indexing in valid_zones_to_burn for corner case (#3270)
fix small_x clamping in true SDC (#3268)
fix some indexing in the 4th order code (#3266)
add abort on invalid value of sdc_solver (#3267)
fix amrex_assert on cot (#3261)
fix radial vector used in rotation in 2d spherical geometry (#3262)
fix indexing bug in low-z HSE BC (#3239)
fix some Make.package header sources (#3238, #3240)
fix vorticity magnitude for 2d spherical (#3265)
make computation of radius consistently include problo (#3264)
update CI due to Microphysics changes (#3263)
fix indexing bugs in direct sum gravity (#3242)
sync the build info with job_info (#3204)
update the python version + fetch-depth in CI actions (#3199)

Name	Size	Download all
AMReX-Astro/Castro-26.03.zip md5:f0a41cda196e15979bbc90bc9e089003	17.6 MB	Preview Download

Is supplement to: Software: https://github.com/AMReX-Astro/Castro/tree/26.03 (URL)