Changes:

• Fixed a bug where the initial value of DPCM was not applied
• Fixed a bug where setting the DPCM tone to negative would cause a crash
• Optimization of NES sound driver
• Fixed a bug where editing became impossible when inserting a control at the exact length of a clip
• Fixed a bug where editing became impossible when dragging an envelope outside the clip
• ID is now displayed in the instrument column
• Fixed the width of the ID so that it is displayed in two digits
• Fixed an issue where controls were not entered in the correct position
• Envelope contents and instrument names are now displayed in tooltips
• When removing envelopes and instruments, their assignments are also removed
• Fixed a bug that caused playback to crash when assigning a non-existent envelope
• Change the behavior of clips when events are inserted
• Fixed a bug where editing became impossible when the control was located somewhere other than the resolution
• Added the able to specify the number of envelope data additions and deletions
• Add Insert and Remove buttons to each envelope
• Other performance improvements