➤Minecraft Launcher 🕹 Minecraft

Minecraft launcher

Developers	Nathan Adams Petr Mrázek
Platforms
Written in	C ++ [1]
Current version

El Minecraft executable (also know as ' or .exe.the launcher) is the client that allows you to download the game and log in. This executable downloads the Java packages, including minecraft.jar and LWJGL, which contain the code and content of the game itself, such as textures or texts. It is also a restriction on copying, since it forces you to log in with a paid account to be able to run the game for the first time. You can also run Minecraft in a previous version from another era, although not all of the existing ones are found. The current executable is the fourth version.

Summary

1 Behavior
- 1.1 Features
  - 1.1.1 Time machine
2 Using the command line
3 History
- 3.1 Minecraft executable history
4
5
6 See also

Behavior

The login screen for the first time.

Every time the executable runs, it checks a specific directory where Minecraft stores its .minecraft files. A file named "lastlogin" is checked, the login credentials. If the file is missing or corrupted, the user must log in with a valid premium account, otherwise the game will not run.

Upon logging in, the executable will first try to verify the data. If a valid "lastlogin" file exists, but there is no internet connection, the executable will offer to play offline, allowing the user to play independently. If the connection is successful, the executable will compare the "version" file in the "bin" directory for the latest version given by the server. If the file does not exist or the installed version is not up to date, the launcher will download all the binaries and Java components for Minecraft.

Finally, after a successful update or installation, the launcher will run "minecraft.jar". However, it can also happen that there is a valid and updated file but missing ".jar" files; in this case the executable hangs.

Recently, the Minecraft executable is only available in English. Users cannot change their language.

Features

You can manage multiple profiles (they are stored in "launcher_profiles.json"). Each can control:
- Your version of the game. Includes access to builds and previous versions. You can also add custom / preview versions by hand [2]. See this video for more information.
- Your Mojang account.
- Command lines for Java (such as stack sizes)
- Game directory (where the game files are saved)
- And all that.
The executable does not store your password locally.
Automatic updates for the executable.
Ability to update libraries, such as LWJGL.
Offline mode (the first time it starts, an Internet connection will be required to download the necessary resources).
Hangs can be reported to Mojang via Hopper.
The crashes are indexed into a database of troubleshooting information.

Time Machine

A profile with alpha and beta versions activated

The Minecraft executable gives the possibility to play previous versions of the game pre-alpha and beta. Currently alpha, beta and all released versions are available. There are 4 pre-classic versions, 4 classic versions and an infdev version under the names "old-alpha version". [3] However, there is no trace of indev.

Progreso *nota: this list is missing at least one version that is on the launcher (infdev 2010-06-18, aka Seecret Friday 1)

To activate the old versions click on "Edit profile" or create a new one. Under the "Version selection" section choose to allow the use of alpha and / or beta versions, by checking the boxes. Then choose the desired version from the drop-down menu and save the profile.

However these versions are out of date and can be unstable. Any bugs, bugs, feature not found or hang will be permanent, will never be fixed, as these versions are not supported. Mojang strongly recommends that if you play one of these versions you play it in a different directory to avoid corrupting important files. [4]

Using the command line

MinecraftDev.jar (all systems):

java -cp Minecraft.jar net.minecraft.bootstrap.Bootstrap

Since the Minecraft 1.6 executable was released, there are other commands for it. They are shown if you put:

java -jar Minecraft.jar -help

History

Java Edition Alpha
1.0.0		Initial release. In this version users can choose the current version and the infdev.
		The client requires an Internet connection to start up for the first time and to download updates. You can also play offline after the first time.
		Command lines are allowed to start the game. Using the java -cp Minecraft.jar net.minecraft.LauncherFrame username password format you will be able to log in without entering a server while the java -cp minecraft.jar net.minecraft.LauncherFrame username password serveraddress: portnumber format allows you to join a server.
1.2.2		The command line format has been changed.
Java Edition Beta
1.3		The update of February 21, 2011 has been published. [5] A preview leaked to Notch on February 18, 2011. [6] The ability to automatically log into the game or server via commands has been added.
		An intelligent update system has been added that only updates files and asks the user if they want to update to ensure connections and interface improvements have been offered.
		A link to the Minecraft installation directory has been added, facilitating access.
		The Force update button has been added under the Options dialog.
		A changelog has been added to the executable via a Tumblr called MCUpdate and command line support. [7]
		The new Minecraft logo has been added.
		Official links have been added to the community and Twitter profile.

Java Edition
1.2.1		64-bit Java installations are now properly selected for Mac OS X users. [8]
1.3.2		The ability to run the demo for non-premium users has been added.
1.6.1	13w16a	The new executable has been added. See the executable history below.

Minecraft executable history

Executable version

Executable type

Departure date

Summary of changes

1.6.13

Installer / Executable

1 de julio de 2015

Now the executable creates "server-resource-packs" in the game directory.

1.6.11

Installer / Executable

30 January 2015

Now the installer uses Java 8. [9]
Now the executable downloads without installing Java.

Fixed bugs:
MCL-546: Unknown publisher, missing digital signature MCL-2987: The executable will not remember your login details by name. MCL-3128: The executable hangs with the download of "launcher.pack.lzma". MCL-3303: The executable does not open.

1.6.5

Installer / Executable

December 18 2014

Test executable
- Launcher Log takes note of 'proxy', for instance showing 'proxy == DIRECT'
Fixed: MCL-3287: "Unknown error" when running Minecraft.msi

1.6.3

Installer / Executable

December 17 2014

Test launcher[10]
- Launcher for Windows now available as .msi, installs to the /Program Files (x86)/Minecraft directory

1.5.5

Executable

December 16 2014

Test launcher
- Unknown

1.5.4

Executable

December 12 2014

Test launcher[11]
- Update for the native bootstrap
- Uses a local, launcher-managed Java runtime instead of system Java.

1.5.3

Executable

September 1, 2014

Bug fixes:
MCL-2300 – Extra Fonts installed in Windows 8.1 stops Launcher running MCL-3013 – Launcher: "Playing offline" MCL-3171 – Checksum mismatch for realms 1.5.8 MCL-3257 – < Forgotten in the Client

1.5.2

Executable

August 19

Re-launching Minecraft with a user used previously will override the game output tab for that user

1.5.1

Executable

July 29th, 2014

Fix launcher stuck on Loading...[12]
Fixed: MCL-2494 – Play and Log out buttons grayed out on first run of launcher / launcher update

1.5

Executable

July 28th, 2014

Development Console tab renamed to Launcher Log
You can now run multiple instances of Minecraft at once, provided they're on different users
Play button renamed to Already Playing... if Minecraft is open while looking at launcher
New tab called Game Output (yourusername) appears after launching minecraft

1.4.7

Executable

July 25th, 2014

Prepend libraries instead of appending(?)

1.4.6

Executable

July 25th, 2014

Added some command-line switches on the Profile Editor(?)
Added version inheritance[13]

1.4.5

Executable

July 25th, 2014

Added a "Switch users" button to make switching users easier
Another attempt to fix MCL-2494, but the fix didn't work.

1.4.4

Executable

May 19, 2014

Attempt to fix MCL-2494, but the fix didn't work.
Fixed: MCL-2564 – No alpha or Beta versions in launcher (even local ones)

1.4.2

Executable

May 2, 2014

Loading bar displays file currently being downloaded
Fixed: MCL-2350 – Slowly eats large amounts of heap
Removed tab 'Local Version Editor (NYI)'
Auto cleanup unused libraries

1.3.11

Executable

March 12, 2014

Update Notes website frame uses JavaFX if available
Profiles are now displayed in alphabetical order

1.3.10

Executable

Libraries use SHA-1 for validation

1.3.9

Executable

Updated bug tracker links

1.3.8

Executable

Added "(Why can I only play demo?)" link for demo accounts, under the "play demo" button. The link redirects you here

1.3.7

Executable

December 12, 2013

Unknown

1.3.6

Executable

December 5, 2013

Fixed: MCL-1895 – Cannot play offline in 1.3.5 version - immediately gamecrash when launching

1.3.5

Executable

December 4, 2013

Rearranged the assets folder for the new Assets Management System.[14]

1.3.4

Executable

November 26

Faster downloading of some big files.[15]

1.3.3

Executable

November 20

(Possible) Bridging of Mojang and Twitch accounts.[16]

1.3.2

Executable

November 18

Added time it took to finish jobs.
Faster resource downloading.[17]

1.3.1

Executable

October 29, 2013

Speed improvements
Basic read-only popup on version list tab
Misc fixes and cleanups

1.2.8

Executable

October 25, 2013 [citation needed]

Unknown

1.2.7 [citation required]

Executable

October 18, 2013

Added an open game directory button in the profile editor.

1.2.6 [citation required]

Executable

October 17, 2013

Unknown

1.2.5 [citation required]

Executable

September 23, 2013

No longer displays the developer console automatically after clicking "Play".[cita requerida]

1.2.4 [citation required]

Executable

September 19, 2013

Unknown

1.2.3 [18]

Executable

September 12, 2013

You can now log out from everywhere with the launcher (MCL-1270)

1.2.2 [19]

Executable

September 3, 2013

Fixed a bug (MCL-1461) that made the launcher take a long time to load up.

1.2.1 (Files uploaded)[20]

Executable

August 6

5 old Minecraft versions from Classic and Pre-classic have been pushed to the launcher.

1.2.1 (Files uploaded)[21][22]

Executable

August 6

Added Alpha versions

1.2.1

Executable

August 2

Added a warning about using Beta, Alpha, and snapshot versions

1.2

Executable

August 1

Added a "Time Machine" feature to use Beta versions.
- An option for Alpha has been included but the versions are not available yet.
Also allows players to play versions 1.2.5-1.4.7

1.1.4

Executable

July 31th, 2013

Some small text updates

1.1.3 [23]

Executable

July 27th, 2013

Fixed low FPS issues on Intel HDXXXX chipsets.

1.1.2

Executable

July 22th, 2013

Fixed MCL-1241 - Cannot play offline in 1.1.1

1.1.1

Executable

July 19th, 2013

New-look launcher and login screen
Launcher now closes automatically when game window opens

1.0.10

Executable

July 12th, 2013

Further support for Hopper
Client crashes can be flagged as Public
- Nothing is currently done with these
Profiles have the option to disable Hopper support
Reporting directly to the bug tracker is only allowed if Hopper is turned off or the launcher can't connect to Hopper
- Hopper will not send crash report to bug tracker if the game is modded

1.0.9

Executable

July 10th, 2013

Added support for the new crash-reporting system, Hopper[24]
- Any client crash will automatically submit the crash report

1.0.8 OS X (Re-upload)[25]

Executable

July 9th, 2013

Fixes to the launcher having trouble playing 1.6.2 on OS X 10.5.8 (Leopard)

1.0.8 OS X (Re-upload)[26]

Executable

July 8th, 2013

Fixes to the launcher having trouble playing 1.6.2 on OS X 10.5.8 (Leopard)

1.0.8

Executable

July 2th, 2013

The launcher now has a high-definition icon[cita requerida]
Mac OS X 10.5.8 users have had Minecraft 1.6.1 disabled pending a LWJGL fix, however 1.5.2 is not affected[27]

1.0.7

Executable

July 2th, 2013

Added ability to disable automatic login[28]

1.0.6

Executable

July 1th, 2013

Bug fixes:
MCL-92 – Starting Window Size does not fit entire GUI MCL-227 – Play button not in frame @ Linux MCL-262 – Text does not fit in window MCL-287 – Launcher gui has limited visuals, can't select version - no access to tabs MCL-596 – Incorrect version in new Mac launcher MCL-696 – I don't see an option to change RAM in "Edit Profile"

1.0.5

Executable

July 1th, 2013

Added a 'snapshot' setting in the profile editor, enabling/disabling snapshots.
'Minecraft.exe'(launcher) has been digitally signed. (MCL-546)

1.0.4

Executable

June 28, 2013

Added a 'resolution' setting in the profile editor.

1.0.3

Executable

June 27, 2013

Bug fixes:
MCL-587 – Full game can be played with non-premium account MCL-600 – Launcher gives wrong message when you sign in with username instead of email.

1.0.2

Executable

June 27, 2013

Unknown

1.0.1

Executable

June 26, 2013

Yggdrasil authentication re-deployed
- Fixed: MCL-568 – Migrated Account - Can't login in 1.6 prerelease on 1.0.1 launcher

1.0.0

Executable

June 26, 2013

Launcher downgraded to 1.0.0
Disabled Yggdrasil because of login error

1.0.1

Executable

June 26, 2013

Enabled Yggdrasil, The new auth system
More secure and much more featureful.

1.0

Executable

June 25, 2013

Unknown

0.9.5

Executable

June 18, 2013

Unknown

0.9.4

Executable

June 18, 2013

Added "New Profile" and "Edit Profile" Buttons to the profile selection panel

0.9.3

Executable

June 14, 2013

Unknown

0.9.2

Executable

June 13, 2013

Unknown

0.9.1

Executable

June 10, 2013

Fixed: MCL-412 – OS X: Exception in thread "main" java.lang.NoClassDefFoundError: net/minecraft/client/main/Main

0.9

Executable

June 10, 2013

Now includes a Profile Editor tab.
- Choosing the game's version can only be done by double clicking your profile and changing the version in the drop down list.
Changes to the Version Selector area.

0.8.3

Executable

June 7, 2013

Unknown

0.8.2

Executable

May 27, 2013

Unknown

0.8.1

Executable

May 21, 2013

Client window now uses Crafting Table icon for main window when a snapshot build is selected; Launcher window still uses Grass Block icon
- Selecting release builds on Windows currently uses the basic Java icon

0.8

Executable

May 20, 2013

Unknown

0.7.2

Executable

May 15, 2013

Unknown

0.7

Executable

May 13, 2013

Launcher downgraded to 0.7

0.7.1

Executable

May 4, 2013

Unknown

0.7

Executable

May 2, 2013

Unknown

0.6

Executable

April 25, 2013

Unknown

0.5

Executable

April 23, 2013

Added 1.5.1 to the list of available versions in the launcher

0.4

Executable

April 23, 2013

Re-enabled crash reporting

0.3

Executable

April 22, 2013

Added Local Version Editor (NYI) tab to the launcher
Added window to check server status
Small bug fixes

0.2

Executable

April 19, 2013

Added Development Console tab to the launcher
Fixed starting game trouble

0.1

Executable

April 18 2013

The structure of the .minecraft directory has been changed:
- Folder "assets"; stores resources such as languages and sounds.
  - Music discs now use .ogg format files instead of .mus.
- Folder "library"; stores Java libraries like LWJGL and jinput.jar.
- Folder "versions"; It contains "versions.json" files (metadata) and folders containing minecraft.jar of each version (their names are the same as the versions: 13w16a, "versions / 13w16a / 13w16a.jar").

First Minecraft executable.
Second Minecraft executable. With the old Minecraft logo.
Third Minecraft executable.
Fourth Minecraft executable.
Launcher-1.1.1.png
Version 1.2 executable
The developer console tab.
The Local Version Editor (NYI) tab
Error message saying that the executable is out of date

↑ https://twitter.com/Dinnerbone/status/1037686466250530816
↑ https://twitter.com/Dinnerbone/status/344164561701724160
↑ https://twitter.com/Dinnerbone/status/364762596387205120
↑ https://help.mojang.com/customer/portal/articles/1475923-changing-game-versions
↑ http://notch.tumblr.com/post/3428176687/server-downtime-and-a-new-launcher
↑ https://twitter.com/notch/status/38621269331025921
↑ http://mcupdate.tumblr.com/post/3427294253/welcome-to-the-new-minecraft-launcher
↑ http://www.mojang.com/2012/03/minecraft-1-2-is-out/
↑ https://twitter.com/Dinnerbone/status/561096640086700032
↑ https://www.reddit.com/r/Minecraft/comments/2pkxpx/we_need_your_help_testing_the_new_minecraft
↑ https://www.reddit.com/r/Minecraft/comments/2p31cu/we_need_your_help_testing_a_new_launcher
↑ https://twitter.com/Dinnerbone/status/494220782244208640
↑ https://twitter.com/Dinnerbone/status/492715318645882880
↑ https://twitter.com/Dinnerbone/status/408246271921901568
↑ https://twitter.com/Dinnerbone/status/405366855785021440
↑ https://twitter.com/Dinnerbone/status/403111179859812352
↑ https://twitter.com/Dinnerbone/status/402434001451098112
↑ https://twitter.com/Marc_IRL/status/378280823180361729
↑ https://twitter.com/Dinnerbone/status/374887108932288512
↑ https://twitter.com/Dinnerbone/status/365040968644296705
↑ https://twitter.com/Dinnerbone/status/364699262233223169
↑ https://twitter.com/_grum/status/364699271708151808
↑ https://twitter.com/_grum/status/361126093777936384
↑ http://hopper.minecraft.net/
↑ https://twitter.com/Dinnerbone/status/354595929925496832
↑ https://twitter.com/Dinnerbone/status/354351963288248321
↑ https://twitter.com/Dinnerbone/status/352109843731070976
↑ MCL-590