No alpha or Beta versions in launcher (even local ones)

No Alpha or Beta versions available to download/play.

Imposible to load local versions stored:

[14:59:16 INFO]: Minecraft Launcher 1.4.3 (through bootstrap 4) started on windows...
[14:59:16 INFO]: Current time is May 19, 2014 2:59:16 PM
[14:59:16 INFO]: System.getProperty('os.name') == 'Windows 8.1'
[14:59:16 INFO]: System.getProperty('os.version') == '6.3'
[14:59:16 INFO]: System.getProperty('os.arch') == 'x86'
[14:59:16 INFO]: System.getProperty('java.version') == '1.7.0_55'
[14:59:16 INFO]: System.getProperty('java.vendor') == 'Oracle Corporation'
[14:59:16 INFO]: System.getProperty('sun.arch.data.model') == '32'
[14:59:16 INFO]: JFX has been detected & successfully loaded
[14:59:17 INFO]: Refreshing local version list...
[14:59:17 WARN]: Ignoring: versions/a1.0.17_04/a1.0.17_04.json; it has an invalid version specified
[14:59:17 INFO]: Refreshing remote version list...
[14:59:18 INFO]: Refresh complete.
[14:59:18 INFO]: Loaded 2 profile(s); selected 'Oficial'
[14:59:18 INFO]: Refreshing auth...
[14:59:18 INFO]: Logging in with access token