SNO RAMSES

Following the Ramses User Meeting 2025 in Strasbourg, a new version of Ramses with the developments made this year was released.

Change summary

For users

• Some minor bugs were fixed (by @rteyssier, @tinecolman, @jokirosdahl, @edengirma)
• New logo, improved documentation view with Read the doc (by @robelgeda)
• The documentation was improved following feedback from the User school (by @nbrucy)
• New lightcone algorithm (by @TakanoriCodronAkieda)
• Variable speed of light in Ramses RT (by @jokirosdahl )
• The condinit routine was redesigned to allow for more easily switch between easy cases, such as tests IC (by @nbrucy)
• The compile command is now printed is the log and outputs (by @nbrucy)

For developers

• Major code quality improvements were done ( by @tinecolman)

Some functions were refactorised and you may not find them at their usual places
For example:

• parameter reading is now split into several function according to the appropriate namelist section
• add_pdv_source_terms and add_gravity_source_terms are now called in amr_step

• CI with Github is now autobuilding the code, running tests and building the doc (by @cphyc, @nbrucy and @robelgeda)
• New coverage computation in the test suite (by @tinecolman)
• New tests, including cosmo, RT shadow and tracers (by @tinecolman, @matthiasglz and @nbrucy)
• New guide for developer (by @cphyc, @tinecolman and @nbrucy)