Changelog (August 26, 2014):

- Reconstructed and improved YouTube format extraction: The internal YouTube formats and resolutions extraction engine is being reconstructed completely into MassTube application with new techniques with undocumented information not available on YouTube API and with some reverse engineering knowledge obtained in our own research on YouTube server due YouTube constant changes and HTML5 player technology used in most VEVO and other videos with encrypted (LOL) signatures. In the future, the internal YouTube formats and resolutions extraction of MassTube will be based in our own JavaScript and HTML5 engine.

- Improved video title extraction with JSON escapes and unicode characters.

- Improved minor issues for download engine.

- Improved other minor issues for program performance.

- Fixed several errors/bugs detected in video extraction and detection on previous versions.

- Fixed other several errors and bugs discovered in previous versions.

Changelog (September 05, 2014):

- Added native M4A 256k audio available from YouTube server for resolutions in MP4 2160p 4k, 1440p HD and 1080p HD. Previous versions only supported native M4A 128k for the mentioned formats. Better sound ever! From now, the link scanning process is more
slower compared with previous versions.

- Added native MP4 240p format from YouTube server.

- Added native 3GP 144p format from YouTube server.

- Changed default M4A 128k format to M4A 256k.

- Removed FLV 240p and 3GP 240p formats.

- Improved minor issues for download engine and MP3 convertions.

- Fixed some errors and bugs discovered in previous versions.

Changelog (September 05, 2014):

- Added native M4A 256k audio available from YouTube server for resolutions in MP4 2160p 4k, 1440p HD and 1080p HD. Previous versions only supported native M4A 128k for the mentioned formats. Better sound ever! From now, the link scanning process is more slower compared with previous versions.

- Added native MP4 240p format from YouTube server.

- Added native 3GP 144p format from YouTube server.

- Changed default M4A 128k format to M4A 256k.

- Removed FLV 240p and 3GP 240p formats.

- Improved minor issues for download engine and MP3 convertions.

- Improved YouTube video extraction algorithm.

- Fixed some errors and bugs discovered in previous versions.

Changelog (September 16, 2014):

- Improved minor issue for video signature decryption from YouTube server.

- This version of MassTube was compiled in debug mode only to avoid the recent false positive detection in previous versions of MassTube.exe file (wrong signature detection) of the bad antivirus avast! until we can resolve the problem with AVAST company directly.

- Fixed a minor bug discovered from previous version.

Changed and improved the license agreement displayed during the installation.
Changed a clause in "Donate to Upgrade to Plus" dialog.
Fixed small string texts shown by the application.
Fixed some small errors/bugs discovered in previous version.

Changelog (December 02, 2014):

- Improved application installer.
- Improved some runtime routines for executable.
- Improved some other minor internal issues in the application.
- Fixed several errors/bugs discovered in previous version.

Changelog (December 09, 2014):

- Improved 1080p format: Now support native YouTube technology with 60 frames per seconds (60 FPS) for this resolution if available in the video. Best image quality, best experience than ever!
- Improved 720p format: Now support native YouTube technology with 60 frames per seconds (60 FPS) for this resolution if available in the video. Also, from now this format support native YouTube audio quality in 256 kbps.
- Improved video extraction algorithm from YouTube server.
- Improved other minor issues in the application.
- Improved some other minor internal issues in the application.
- Changed: Valid for Free edition only: From now, due the new improvements for 720p format in this version, it shown the wait time screen when you start this download in Free edition until you upgrade to Plus.
- Fixed small format detection in some videos.
- Fixed other small errors/bugs discovered in previous version.

Changelog:

- Added WebM format in the following resolutions if available for the video: 2160p, 1440p, 1080p, 720p, 480p, 360p, 240p and 1440p. The formats 2160p, 1440p, 1080p and 720p support 256k audio if available. 1080p and 720p support 60 FPS if available and the others supports 128k audio.
- Added FLV 240p format.
- Added 3GP 240p format.
- Improved and tested separated support for Windows XP, Vista, 7 and 8.
- Improved button behavior for "Show History".
- Improved video formats extraction algorithm from YouTube server.
- Improved other several small issues for video extraction stability.
- Changed "Convert M4A to MP3" item from Option menu. From now all MP3 and M4A qualities are available and visible in format list instead in the menu.
- Changed some clauses in "Donate to Upgrade to Plus" window.
- Tweaked some minor visual issues to format list.
- Fixed some errors/bugs of previous versions.

Changelog (January 19, 2015):

- Improved format extraction algorithm of MP4 2160p 4k from YouTube server.
- Improved native sound quality for MP4 360p. Now support 128k from YouTube server instead 96k.
- Improved some other small internal and tweaks issues of the application.
- Fixed format detection of MP4 2160p 4k in some videos due to some recent changes in YouTube server.
- Fixed other several small issues discovered in previous versions.

Changelog (February 12, 2015):

- Added new MP3 64k audio quality. Available in Free and Plus editions! Enjoy!
- Plus edition only: Added new MP3 96k audio quality.
- Improved small issues for application installer.
- Changed a clause in "Donate to Upgrade to Plus" window.
- Fixed some small bugs discovered in previous version.

Changelog for 12.9.0.303 (March 10, 2015):

- Added new powerful YouTube link scan engine: Experimental Mode in "Link Scan Engine" item from Options menu. This feature is still beta (for testing), but is the best and recommended choice for you to use from now on (previous methods will be no longer available in the future and will be removed from the program). Get successfully the formats and resolutions of more YouTube videos!

- Added new option: Always Mode (previous method to get video formats and resolutions). This feature is not recommended to scan all video links, because may fail in some of them.

- Improved searching videos loading dialog.

- Improved other several small internal issues of the program.

- Fixed several issues related with problems with YouTube formats/resolution extraction recognition from several links.

- Fixed other several errors and bugs discovered in previous versions.

Changelog (March 12, 2015):

- Added "1080p-60 HD" and "720p-60 HD" qualities for MP4 and WebM formats. From now, you can download separately 1080p and 720p with 30fps and 60fps if available in the video.

- Improved Link Scan Engine feature.

- Improved small issued for video title extraction method.

- Improved separated support for Windows XP, 7, 8 and 8.1.

- improved small behavior issues of the application and mouse clicks.

- Improved other several small internal and performance issues of the program.

- Free edition only: Improved format list. From now, all formats are displayed in two categories. First "Free qualities", that show all free formats for quick selection to download them in this edition. Finally, the "Plus qualities" category.

- Plus edition only: From now, M4A is only available in this edition.

- Renamed previous text strings for subitems in "Link Scan Engine" to "Brute Mode" and "Basic Mode", respectively.

- Changed some minor clauses in "Donate to Upgrade to Plus" window.

- Tweaked some issues of the application form to adapt the new visual changes.

- Fixed some bugs discovered in previous versions.

Changelog (March 15, 2015):

- Plus edition only: Added OGG Vorbis audio conversion in 320k, 256k, 192k, 160k, 128k, 96k and 64k (this last bitrate is available in Free and Plus editions!).

- Improved format list: Now shows a Play icon to the left of each item when the download is completed.

- Improved small issues for video title extraction method.

- Update some clauses in "Donate to Upgrade to Plus" window.

- Fixed some small bugs discovered in previous version.

Changelog (April 01, 2015):

- Improved small issues for video extraction algorithm and library.
- Fixed a small behavior issue with Play icon shown in format list.
- Fixed a small bug discovered in previous version.

Changelog (April 30, 2015):

- Improved small issues for video extraction algorithm and library.
- Changed wait time behavior in Free edition: Now wait only 15 seconds instead 30 for downloads in MP4 1080p HD, 720p HD, MP3 64k and OGG 64k!
- Fixed a small bug discovered in previous version.

Changelog (May 13, 2015):

- Improved small issues for video extraction algorithm and library.
- Removed additional "Duration" and "Published" info hint shown for videos in previous versions due to current bugs to get this information from some YouTube APIs (perhaps, this bug was introduced intentionally by YouTube employees).
- Fixed title detection problem generated in all previous versions of MassTube for videos due to new changes (also maybe bugs) in YouTube server.
- Fixed other small bugs discovered in previous version.

Changelog (June 02, 2015):

- Improved small issues for video extraction algorithm and library.
- Fixed a small bug discovered in previous version.

Changelog (June 15, 2015):

- Plus edition only: Added preliminary support to download videos from YouTube in native MP4 8K 4320p Full Ultra HD (FUHD) resolution.
- Improved small issues for video extraction algorithm and library.
- Fixed some small bugs discovered in previous version.