The base price has been updated to be just $5! 

Also, the Windows version has been updated to 1.7.2. A non-exhaustive list of changes since 1.6.0 include:

• Substantial performance improvements, especially for the start of the game.
• Smaller file size.
• Controls can now be remapped in the settings page.
• Subtitles added to developer commentary mode.
• Japanese localization (Developer commentary is still English only)
• Re-factored save system.
• Increased hitbox for items and journal entries to make them easier to select, especially on controller.
• Fixed issues with 3D audio to make it more clear where sounds are coming from in many cases in the game.
• A few on-boarding improvements to make the first area of the game and mechanics a little more clear for first-time players.
• Many small bug fixes and improvements