New features:

• interface theming support! (prayerie)
  • many themes are bundled with this release, with more to come
  • the .nttheme format is documented here: https://docs.asie.pl/nitroustracker/contributing/theming/

Improvements:

• disabled live memory indicator updates, improving stability
• slight tweaks to UI font and button layout
• songs and samples are now saved as .tmp files first, preventing data loss if a crash occurs mid-saving
• updated BlocksDS toolchain

Fixes:

• [#146] fixed not displaying instrument values properly in edge cases, part 2 (Arikari405)
• fixed incorrectly trying to load .xm files with OpenMPT format hacks (prayerie)
• fixed regression in tab box rendering
• fixed text being overzealously trimmed
• fixed typewriter not showing when paused (prayerie)
• general stability improvements and minor fixes

Improvements:

• [#147] transpose buttons! hold R to transpose selection by an octave (Arikari405)
• updated BlocksDS toolchain

Fixes:

• [#142] fixed oversized pastes not working (prayerie)
• [#143] fixed crashes on too short microphone samples
• [#146] fixed not displaying instrument values properly in edge cases (Arikari405)

You may also want to pay attention to NitricTracker, an unofficial fork with some changes that haven't yet been merged here.

Improvements:

• DSMIDI now better handles polyphony (Rachel Birdy)
• updated BlocksDS toolchain

Fixes:

• [#126] poor performance in large directories
• [#128] fixed bugs in DSMIDI USB support (Rachel Birdy)

Improvements:

• actually enabled USB cartridge support for DSMIDI
• updated BlocksDS toolchain

Fixes:

• [#125] Fix playback regressions from v0.4.12

Fixes:

• [#40] Fix freeze when attempting to loop samples in certain .xm files
• [#117] Fix "map samples" button UI overlap
• [#123] Fix playback regressions from v0.4.12
• [#84] Fix sample selection glitch

New features:

• [#95] WAV sample import and export now supports loop points
• [#111] adjustable lines per beat

Improvements:

• minor maintenance work in libntxm
• updated BlocksDS toolchain
• updated DSMIDI NRIO USB support library

Fixes:

• fixed some scrollbar render issues in list boxes

New features:

• DSMIDI support for NRIO/DS Linker Writer Slot-2 USB cartridges
  • This allows using a special cartridge with a mini-USB port to connect your DS to a PC as a MIDI device.
  • More information available here.

Improvements:

• updated BlocksDS toolchain to 1.6.2
• the about screen now lists the version and the Git commit hash of the build

New features:

• support for Bxx XM command (exelotl)
• support for EEx XM command (exelotl)

Improvements:

• updated BlocksDS toolchain to 1.3.0

Fixes:

• [#112] fixed freeze on recording long samples
• fixed XM pattern decoding bug leading to missing notes (exelotl)

New features:

• env sustain playback + configuration (LeviathaninWaves)
• player now supports more pattern effects (LeviathaninWaves)

Improvements:

• NitrousTracker now uses a distinct logo
• updated BlocksDS toolchain

Fixes:

• fixed about message box width
• fixed crash if paths were set without trailing slashes in config file
• fixed combined loop and lock not working correctly
• fixed panning being incorrectly set (exelotl)
• fixed sample panning slider (exelotl)
• fixed saving of sample panning information (exelotl)

Improvements:

• updated BlocksDS toolchain