- Added new Setup option: Portable mode to install the software as real portable application.
- Improved application to support fully real portable application. Now can be run correctly on flash drives, etc.
- Improved installer wizard and other various internal issues. Also, from now you can choose de installation folder.
- Improved History Manager.
- Improved YouTube, Vevo and Age Blocked video extraction algorithm.
- Improved program stability and performance.
- Improved "Always on Top" and "Remember Current Window Position" Options.
- Improved separate support for Windows 2000, XP, Vista, 7 and 8.
- Improved application startup.
- Improved program perfomance and stability.
- Improved Config and History saved files.
- Improved many other internal issues.
- Changed the application Build meaning. From now, for example, in this version the number 262 represents the total of public builds since the first application public release (Result = (Build Number) - 100), and no the release date as in previous versions. This change is for technical issues.
- Fixed various Vevo signatures and download problems due to the introduction of latest changes on YouTube.
- Fixed some other errors and bugs found on previous versions.

Changelog (12.0.0.274 Beta 3):

- New system requirements:
* Windows XP (with Internet Explorer 7 or higher); Windows Vista; WIndows 7; Windows 8; Windows 8.1
* Adobe Flash Player ActiveX for Internet Explorer installed in order to enable the embedded video player feature.
- Added "Empty Thumbnail Cache" item in "Options/History" menu to clean the temporary thumbnails images downloaded in background by the program.
- Added quick access items in "Help" menu to download some needed components by the program.
- Improved and optimized CPU and memory usage while downloading videos. This is the first version that significantly reduces the use of these resources!
- Improved Download Manager: From now the downloads panel don't block the main program window. You can continue searching for other videos while the download is active.
- Improved YouTube embedded video player API implementation.
- Improved Adobe Flash Player API implementation.
- Improved History Manager cleaner and other internal issues.
- Improved many internal and stability issues of previous Beta 2.
- Fixed various bugs discovered on previous Beta 2.

Changelog (12.0.0.276 Beta 5):

- Added new option: "Download Settings/External Download Manager", which allows you to download videos from YouTube with your favorite browser again, including: Google Chrome; Mozilla Firefox; Internet Explorer; Opera; Apple Safari; Chromium or any download manager you want!

IMPORTANT: Current limitations with external managers: The following YouTube formats can not be downloaded external managers: 3072p, 1080p, 480p, and 144p, because are partitioned types from YouTube server and need to be joined. In this cases, the internal download manager will be used instead.

- Added new option: "Download Settings/Internal Download Manager", which allows you to download videos from YouTube with our own download engine built for YouTube videos!

- Changed some minor issues in main menu of the program.
- Changed some minor text strings in the program.
- Changed some minor issues in windows/forms of the program.
- Fixed YouTube video extraction algorithm for several unicode contents.
- Fixed some bugs of previous Beta 4.

Changelog (January 02, 2014):

- Added preliminary support to download the longest videos on YouTube (up to 10 hours and more!). You can test it with these long duration videos: http://www.youtube.com/results?search_quer...=long&lclk=long

- Added preliminary support to download videos from on YouTube over 2 GB and more!

- Fixed some bugs of previous Beta.

IMPORTANT: If you discover any bugs in this Beta please report us. Thanks in advance!


Known/pending issues with longest videos in this Beta 6:

- The progress bar in Download Manager panel shows undetermined progress when the filesize of video is greater than 2 GB.

- In our test, some of longer videos on YouTube may fail on Windows XP system on our Virtual Machine. We would appreciate if you can confirm this bug with longest YouTube videos in your Windows XP.

Changelog (12.0.0.278 Beta 7):

- Added new YouTube native audio format: M4A (audio-only!). This dash format is available in YouTube server and its downloaded directly (without conversion, only the program touch the file to join it in the final step) and can reach a maximum of 128 Kbps. HavySoft recommends using AIMP3, an amazing audio player, to play M4A formats and any other audio file. You can get AIMP3 from here: http://www.softpedia.com/get/Multimedia/Au...P-Classic.shtml

- Improved program installer.

- Improved minor issue in Configure External Download Manager panel.

- Removed: WebM formats (by now, this format will not available in the program as result of the low demand of the users about this format in the present).

- Fixed some bugs when you re-click a format in the list and the downloaded file is not available in destination folder or was renamed/moved.

- Fixed some bugs for Download Manager panel.

- Fixed several bugs discovered on previous Beta.

Changelog (January 10, 2014):

- Improved performance, stability and behavior of internal Download Manager engine.

- Improved download completion algorithm.

- Changed some minor text strings in the application.

- Fixed all known/reported bugs, errors and problems that occur in some circumstances when you click on "Cancel" button during download (Special thanks to Peter for help me in the testing process!).

- Fixed various other minor bugs discovered on previous Betas.

Changelog (February 18, 2014):

- Fixed the lost MP4 144p format from previous Betas due to latest changes on YouTube server.

- Improved audio quality for MP4 144p format when it is joined.

- Improved video title bar: Now correctly displays the text shortened by ellipsis to unicode characters when it is too long. Also, the
button quality for "Play online embedded video preview" and video info hint has been enhanced.

- Improved several internal and performance issues in the program.

- Improved Updater feature.

- Improved program installer.

- Changed the order of items on Help menu.

- Fixed various other minor bugs discovered on previous Betas.

Changelog (12.0.0.281):

- New and modern video format list engine and technology, inspired in mobile GUI styles/new tendencies (simplest but more efficient).
- Added support for Windows 8.1.
- Added 2 download options/engines: "Internal Download Engine" and "External Download Engine", which allows you to download videos from YouTube with our own download engine or with and external application/browser, respectively.
- Added new YouTube native audio format: M4A 128k (audio-only). This dash format is available in YouTube server and its downloaded directly (without conversion, only the program touch the file to join it in the final step) and can reach a maximum of 128 Kbps).
- Added new YouTube native video formats: MP4 2160p, MP4 1440p, MP4 480p and MP4 144p.
- Added support to download the longest videos on YouTube (up to 10 hours or more).
- Added support to download videos on YouTube over 2 GB.
- Added Adobe Flash Player API to allows you play online embedded YouTube videos into the program.
- Added "Empty Thumbnail Cache" item in "Options/History" menu to clean the temporary thumbnails images downloaded in background by the program.
- Added quick access items in "Help" menu to download some needed components by the program.
- Improved separated support for Windows XP, Vista, 7, 8 and 8.1.
- Improved support and integration for new partitioned YouTube format, such as 1080p (Full HD), 3072p/4096p (4K Ultra HD) and others.
- Improved and optimized CPU and memory usage while downloading videos. This is the first version that significantly reduces the use of these resources.
- Improved YouTube video extraction algorithm and download engine.
- Improved Download Engine.
- Improved History Manager.
- Improved Message Effects panel and texts displayed by the program.
- Improved YouTube API integration into the program.
- Improved Updater feature.
- Improved program installer.
- Improved several internal, performance, visuals and other related issues of the program.
- Changed system requirements: From now, the program requires Windows XP (with Internet Explorer 7 or higher); Windows Vista; WIndows 7; Windows 8 or Windows 8.1
- Changed some minor issues in main menu of the program.
- Removed: WebM formats (by now, this format will not be available in the program as result of the low demand of the users about this format in the present).
- Fixed YouTube video extraction algorithm for several UTF-8 and Unicode contents.
- Fixed several bugs/errors discovered on previous versions.

- Improved installation in Portable mode. Also other minor installation issues has been tweaked.

Changelog (May 23, 2014):
Fixed recognition and downloading error of age blocked videos/content due to latest changes on YouTube server and other minor bugs.

Changelog (June 16, 2014):

- From now, the application is available in two editions: Free (with some minor limitations) and Plus (for users who wish to make a small money donation and get full features).

- Added new native YouTube video format MP4 2160p 4k (available on Plus edition only).

- Added new native YouTube video format MP4 1440p HD (available on Free and Plus editions. In the Free edition, users will see a donation message with wait time between each new download).

- In Free edition, also users will see a donation message with wait time between each new download in the following formats/resolutions: MP4 1080p and M4A 128k.

- Improved internal downloader engine and performance.

- Improved "About MassTube" dialog.

- Fixed other minor bugs discovered on previous versions.

Changelog (June 17, 2014):

- Added video length (duration) info of video displayed in image hint.

- Improved age-blocked video recovery and detection from YouTube with new powerful algorithm.

- Improved VEVO video recovery and detection with new powerful algorithm.

- Improved general video decoding from YouTube server.

- Improved video title extraction.

- Improved several other internal ussues.

- The resolution 1440p HD now is available on Plus edition only.

- Fixed several bugs for age-blocked, VEVO and other video content related.

- Fixed more several bugs discovered of previous versions.

Changelog for 12.6.0.286 (June 22, 2014):

- Added, for first time, support for download videos from YouTube with HTTPS protocol on secure networks when required SSL is enabled for videos (autodetect). Big thanks to Albert user fan of MassTube for having contributed in discovery this lack feature in the application and for their hard tests in connections from United States. Without this implementation in previous versions, in many countries, the downloads from YouTube fails when required HTTPS protocol is needed. This issue is related to many downloads error/bugs reported from users in the past. It is recommended that you update to this version as soon as possible.

- Improved support for connection through proxies.

- Changed "Resume" and "Open File" button texts in Download dialog by "Restart" and "Open Folder", respectively, to better concept about these button functions.

- Improved other minor but various internal issues of downloader features.

- Fixed various errors/bugs discovered on previous versions.

- Fixed more several bugs discovered of previous versions.

Changelog (June 24, 2014):

- Fixed downloads from YouTube with HTTPS protocol and required SSL parameter when is available for Non-DASH video formats (FLV 240p and 3GP 240p). Big thanks again to Albert "fan" of MassTube to report this issue!

- Fixed some minor bugs/bad code lines on Download engine component of MassTube accidentally introduced on previous version.

Changelog (12.7.0.288):

- Added MP3 conversion (Plus edition only): Convert M4A format to MP3 128k. You can enable this feature in "Options/Download Settings/Convert M4A to MP3" from main menu of the application. In the next version (coming soon!) we will improve this feature and will be added support for additional convertions to MP3 192k and 320k.

- Fixed some small bugs of previous version.

Changelog v12.8.0.290 (July 29, 2014):

- Added more conversions qualities for MP3 format (Plus edition only): 192k and 320k, besides existing quality 128k.

- Added the ability to quickly load an URLs/links of any YouTube video into the application by dragging from the bar of any web browser or page and dropping into MassTube window. Also, you can load an YouTube video into the application by simply dragging the image link of the video shown in YouTube video search page.

- Added Internet Explorer 7 autodetection in Windows XP (Internet Explorer 7 or 8 is necessary in this Windows version for MassTube can work properly). if this component is not present in this system, a message dialog will be shown to download it.

- Added new credits in "About MassTube" dialog and other new text strings.

- Improved video/formats detection and extraction algorithm from YouTube server.

- Improved download videos from YouTube with HTTPS protocol redirections and when required SSL is present.

- Improved many issues for "Play" and "Open Folder" buttons functions.

- Improved many issues for download manager and progress bar.

- Improved support for filenames and folder paths with Unicode characters.

- Improved info hint of the video: Now show additional info about published date of the video when you hover the mouse over the video thumbnail.

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

- Improved other several internal issues in the application.

- Changed download link of Internet Explorer 7 in "Help/Download Internet explorer 7" shown in main menu when the application runs on Windows XP.

- Removed "External Download Manager" feature (it will not be supported anymore) for being unhelpful currently, as most existing formats of YouTube server are partitioned/dashed and its used the MassTube internal downloader instead.

- Changed original function for "Play online embedded video preview": Adobe Flash support to play enbedded online videos from YouTube into the application is not supported anymore to be unhelpful. Now if you have not download any video yet, when you press this button, the online video preview will be open directly in YouTube page of your web browser instead, else, will play the last downloaded format of current loaded URL.

- Changed some text strings in the application.

- Changed the order of some items in main menu of the application.

- Fixed several error/bugs about format detections in our tests on Windows XP.

- Fixed video title extraction in some videos with special characters.

- Fixed video info hints for some videos displayed when you pass the cursor over the video title bar.

- Fixed other several bugs discovered of previous versions.

Changelog:

- Plus edition only: Added more conversions qualities for MP3 format: 160k and 256k, besides existing quality 128k, 192k and 320k.
- Free edition only: Changed previous wait time for downloads in MP4 1080p and M4A 128k of 45 seconds to 30 seconds!
- Added new info panel when the application start.
- Remove the Option "Empty Thumbnails Cache". From now unneeded thumbnails will be detected smartly and will be deleted when you close the application.
- Tweaked some small visual issues in "About MassTube".
- Improved some behavior issues in Play button shown in video title.
- Improved some small isuues for Download manager.
- Fixed some errors and bugs discovered on previous versions.

What's new?

- Reconstructed completely and improved YouTube format extraction and detections with undocumented information not available on YouTube API and with some reverse engineering studies and knowledge during two weeks in YouTube server to decrypt some video signatures.

- 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 (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.

- Added preliminary minor support for Windows 10 Insider Preview. The Drag and Drop link feature from new Microsoft Edge browser is not supported currently, so, we will try to added it, if possible, in future versions of MassTube.
- Added support for more YouTube video URLs variants.
- Improved several issues for video extraction algorithm and library.
- Removed "Basic Mode" (deprecated) item from "Link Scan Engine" option. "Brute mode" from now is a stable and final release feature developed by Havysoft and the unique scan engine and technique that will be used by MassTube.
- Removed "dead source code" (unnecessary) of previous versions.
- Fixed several error detected in previous download engine.
- Fixed several errors/bugs discovered in previous versions.

- MassTube is Windows 10 Ready.
- Added support to download WebM 2160p and 1440p resolutions from YouTube with native 60 FPS if available for the video (YouTube service does not support 60 FPS for MP4 2160p and 1440p currently). This video types can be downloaded only in Plus edition of MassTube.
- Added the ability to find hidden resolutions variants (alternatives) for MP4 480p and WebM 2160p in YouTube server if the common resolution is not found in the first link scanning.
- Added "Download Recommended Tools" item in Help menu to facilitate the download of some useful third-party components that complement MassTube.
- Added some minor help text notes about compatibility of drag and drop links from installed Internet Explorer 9 or later and Microsoft Edge browsers that is shown when necessary and detected in Windows Vista, 7, 8, 8.1 and 10.
- Improved some issues for video extraction algorithm and library.
- Improved separated support Windows Vista, 7, 8, 8.1.
- Improved several issues for video extraction algorithm and library.
- Removed old and deprecated compatibility option and nag screen in Windows XP system, bacause is not necessary for current versions of MassTube.
- Important issues about drag and drop links in Microsoft Edge: The new Microsoft Edge of Windows 10 lacks some good legacy implementations of Internet Explorer, and currently does not enable drag and drop links outside of the browser to an external desktop windows like MassTube or others by COM based object, so this web browser is not supported currently by MassTube to do this. We recommend install Google Chrome or Mozilla Firefox to drag and drop YouTube links to MassTube window successfully.
- Important issues about drag and drop links in Internet Explorer 9 or later: If you use any of these versions of this browser, first run this browser as administrator (right click on Internet Explorer icon and select "Run as Administrator") to MassTube window can accept dragged YouTube links from this browser successfully.
- Fixed some bugs discovered in previous versions.