0.4.0

• Added support for tempo changes in the exported track.
• Fixed an exception that could occur while trying to access a layer that doesn't exist in the song. (#5)

0.3.0

• Fixed ignore_missing_instruments argument not working properly. (#3)
• Fixed note pitch not taking the pitch of custom instruments into account. (#4)
• Removed compatibility with Python 3.7.

0.2.2

• Fixed arbitrary data possibly being exported due to an improper array initialization.
• Fixed output being normalized even when it was not clipping, making the exported track louder than it should.
• Fixed track always being mixed with the default audio parameters, despite being saved correctly.
• Fixed pop in the exported track due to wrong peak calculation.
• Fixed a bug in estimating the song length, which caused the output array to be resized multiple times — a costly operation.

0.2.1

• Fix exception due to incorrect output data length.

0.2.0

• Added option to exclude_locked_layers from the exported track.
• Added sample_rate and channels settings to the render_audio() function.
• Transformed sounds are no longer held in memory all at once, dramatically reducing memory usage while exporting a track.
• Fixed a MemoryError occurring when exporting songs with a lot of notes.
• Fixed a bug in song length calculation on NBS versions 1 and 2.

0.1.1

• Changed static typing of data structures to typing generics, adding compatibility with Python 3.7-3.8. (#1)
• Fixed an argument mismatch on the render_audio function.

0.1.0

• Initial release!