• Reduced priority for making Spral the default value for option linear_solver [#677].
• Adapted to change of integer types in Spral interface. Minimal required Spral version is now v2023.03.29.
• Fixed that return code from TNLP::eval_jac_g() was ignored at first call [#697, by Christoph Hansknecht].
• Print additional messages when reallocation of MA27 working space failed [#671, by Daniel Oliveira].
• Added option file_append to specify whether to append to output_file instead of truncating it.
  Added default argument file_append to Journalist::AddFileJournal(), added default argument fappend to FileJournal::Open(), and added default argument file_append to IpoptApplication::OpenOutputFile(). [#720]