* Song looping: Learning Pack users can create loops with one click to keep practicing those tough parts. Statistics are shown in real time detailing how you are improving.
    * Synthesia is now aware of smaller keyboards. Set your size on the keyboard screen and Synthesia will play notes outside your reach or move them closer so you can play them yourself.
    * Scoring revamp: hold notes for their full duration for maximum points!
    * Lots of other improvements and fixes.

    * Online song recital. Scores posted for all to see.
    * Named profiles. See your name next to your scores after playing locally or online. Compete against friends.
    * Many settings can now be changed during gameplay.
    * The beginnings of a new look...
    * A handful of fixes and other tweaks.

    * Add finger number hints to your songs in a single click. (video)
    * Finger hints included for all 100+ built-in songs.
    * Simplified track settings let you jump in fast.
    * Improved library searching to find your favorite songs quicker.
    * Many improvements in MIDI, device, and computer compatibility.
    * Tons of tweaks and fixes.

With keyboard navigation, huge improvements to the sheet display, and dozens of quality of life improvements, Synthesia 0.8.2 is the biggest release ever.

There are too many improvements to list! Every single screen has been overhauled with new or improved features everywhere.

Synthesia 8.5 is a small release containing 21 bug fixes and an easier way to enter Learning Pack keys.

Synthesia 8.6 gets things ready for the upcoming song store.
 
Lots of new metadata support for the upcoming song store.
Add your own background image using the configuration tool.
Click the score box to hide it.
The "Scale Number" label mode is back.
Over a dozen more bug fixes and improvements.

Synthesia 9 lets more people play than ever!
 
Multiple languages! Choose between English, Spanish, French, German, Russian, Brazilian Portuguese, and Traditional Chinese.
Change Synthesia's window size anytime you like.
Press Alt-Enter to toggle full-screen mode on any monitor.
Support for the new Synthesia Music Store.

Synthesia 10 adds dozens of major features!
 
Easy hand splitting for songs that were arranged as a single piano part.
A new Free Play area to experiment with notes, instruments, and chords.
See the next loop before it starts! No more sudden jumps.
Recently played song list on the title screen for quick navigation.
Italian language support.
Much, much more...

Added Dutch language support and fixed 17 bugs!

Synthesia 10.2 adds new conveniences and smooths a few rough edges!
 
Unlock Synthesia for Android using your key from the desktop version!
Discover our how-to guides using Synthesia's new help buttons.
Try out even more songs in trial mode.
Read the larger key and note labels more easily.
Toggle loops on/off with the "/" key.
Set your zoom level to "Custom", then match the screen to your keyboard.
Install more easily on Windows in a single click.
Enjoy 48 more improvements and fixes!

More songs, more languages, more modernization, and lots of fixes!
 
Added 5 songs from the Undertale and Five Nights at Freddy's games.
Added Slovenian and Polish language support.
Retina support for Mac, now making Synthesia HiDPI-aware everywhere.
Try the first 20 seconds of any song without unlocking Synthesia.
Plus 16 more features and 15 bug fixes.

Sharp notation, Windows 10 MIDI, "Simple" labels, AVI export, and more!
 
Sheet music now always appears sharp, regardless of size.
Windows 10 MIDI support: lower latency synth and Bluetooth MIDI!
Support for "The ONE Smart Keyboard" key lights on iPad and Android.
New "Simple" labels mode that shows C, D, E, etc. on white keys only.
Windows version of the Video Creator now lets you export AVI files.
And 20+ more features and bug fixes.

Better sounds, iOS Files support, Android M MIDI, Chromebooks, and more!
 
Added a faster synth with better sounds for Windows and Android.
You can now manage your songs on the iPad with the Files app.
MIDI devices should now appear on compatible Chromebook models.
Improved Android MIDI compatibility.
Improved Windows 10 MIDI compatibility.
Many more features, bug fixes, and performance improvements.

New settings and lots of fixes:
 
Added Thai language support.
Added 9 new settings to customize under Gameplay and Advanced.
The built-in synth (on PC and Android) now has nicer reverb.
Fixed high CPU usage on macOS Mojave.
iPad Pro 11" screen size support.
About a dozen other bug fixes and small improvements.

Full-screen Sheet Music:
 
Use the new gear menu to show full-screen sheet music.
Navigate through the song by clicking the sheet music.
Bookmarks and loops are now shown in sheet music.
Set the number of errors before your loop restarts automatically.
Many other bug fixes and improvements.

Simple MIDI Recording, down-stems, and new languages:
 
Added a simple multi-track recorder to the Free Play screen (when unlocked).
Improved sheet music: note stems are now able to point down.
Added three new display languages: Catalan, Turkish, and Japanese.
Many other fixes and improvements.

MusicXML files can now be opened by Synthesia!
 
For now, none of the additional musical information (vs. a MIDI file) is being used when drawing sheet music. But MusicXML files should load, play, and sound correct. We'll be using the newly available musical information to improve the sheet music over the next several updates. If you spot something that doesn't sound correct, please let us know!
 
What's new in Synthesia 10.8:
 
MusicXML file loading.
Reworked full-screen sheet music navigation.
The song list should load about 100x faster.
Apple silicon support on macOS.
Many other fixes and improvements.

Free Play has some major improvements in Synthesia 10.9:
 
Choose a key signature to get more chord information.
More comprehensive recording.
Multiple input instruments.
Control more settings (like style volume) from the new gear menu.
See much more in the Free Play Update dev blog.
Labels have also been improved:
 
More control over the look/positioning of labels.
New "next note" marker animation.
Major label performance improvement (for better battery life and fewer stutters).
See much more in the Labels Update dev blog.
As usual, there's lots of additional polish, fixes, and optimization work that has also made it into Synthesia 10.9. Enjoy!