Version 2.4.0

This version adds Unicode support, support for TOML standard including multiline strings, digit separators, string escape sequences,and dot notation. An initial round of a fuzzer was added to testing which has caught several bugs related to config file processing, and a few other edge cases not previously observed.

• Add Unicode support and bug fixes #804, #923, #876, #848, #832, #987
• Match TOML standard for string and numerical entries, multiline strings #968, #967,#964, #935
• Add validation for environmental variables #926
• Add an escape string transform #970
• Add A REVERSE multi-option policy to support multiple config files and other applications #918
• Add usage message replacement #768
• Allow using dot notation for subcommand arguments such as --sub1.field #789
• Bugfix: Fuzzing tests and fixes #930, #905, #874, #846
• Bugfix: Missing coverage tests #928
• Bugfix: CMake package and package config tests and fixes #916
• Bugfix: Support for Windows ARM compilation and tests #913, #914
• Bugfix: Environmental variable checks in non-triggered subcommands #904
• Bugfix: Environmental variables were not being correctly process by config pointer #891
• Bugfix: Undefined behavior in sum_string_vector #893
• Bugfix: Warnings and updates for CUDA 11 support #851
• Backend: Add tests for newer compilers (lost with Travis CI) #972
• Backend: Increase minimum CMake to 3.5 #898
• Backend: Remove integrated Conan support (provided now by Conan center) #853
• Tests: Support Catch2 Version 3 #896, #980

New Contributors

• @andreasxp made their first contribution in #804
• @Krzmbrzl made their first contribution in #844
• @ptheywood made their first contribution in #851
• @trokhymchuk made their first contribution in #893
• @peterh made their first contribution in #913
• @looopTools made their first contribution in #969

Full Changelog: v2.3.2...v2.4.0