0.0.2a The version number is now displayed in the top-left corner.

0.0.9a Add the debug screen.

The debug screen includes the fps, and chunk updates.[ verify ]

? Added an option to turn on the debug screen. The current version name is always displayed even when the option is disabled.

v1.1.0 The debug screen is no longer listed as an option and now requires F3 to be held down to activate.

v1.2.3 The coordinates have been added to the debug screen.

1.3 The debug screen, along with other function key controls, has now become a toggle.

When the debug screen is open, it now shows numbers above every mob; these numbers being the mob's Entity ID. These numbers are visible through blocks, making F3 a useful mob-finder.

1.7 The "f" coordinate has been made visible in the debug screen (facing direction).

1.8 Pre-release The ability to see the level's seed has been added to the debug screen.

Entity numbers being shown above a mob's head have been removed from the debug screen. Some players felt that it was cheating and that it took away from the game.

1.0.0 October 2, 2011 The first images of a runtime performance profiler with a pie chart is revealed.

? The profiler has been added to the debug screen.

? Added the ability to show entity hit boxes with f3 and B. They appear completely opaque.

1.2.1 1.2 Information about the biome and light level of the player's location have been added to the debug screen.

The seed in multiplayer has been made hidden from the debug screen and now shows as "0".

1.2.4 Pressing F3 ( Fn + F3 on Mac and some laptops) brings up the debug screen, but without the graphs. The graph appears upon pressing ⇧ Shift + F3 ( Fn + ⇧ Shift + F3 on Mac and some laptops).

1.3.1 12w18a Information about the player's speed and whether the player is touching the ground have added to the debug screen.

Coordinates within the debug screen are now rounded to 5 digits.

12w21a Information about the world's seed has been removed from the debug screen, seen instead by pressing the chat key and typing /seed .

The frame time graph has been removed from the debug screen.

1.4.2 12w39a Fl, x and z chunk coordinates, and more rotation (f) information have been added to the debug screen.

12w41a Shift+F3 now shows the profiler graph in the debug screen.

1.8 14w02a The debug screen now shows which axis the player is facing after the cardinal direction: "Toward positive/negative X/Z".

14w04a The crosshair in the debug screen now displays 3 short colored lines to indicate the direction of each axis: x/red, y/green, z/blue.

The x coordinate line in the debug screen now appears bold when looking east/west, similarly the z coordinate line now appears bold when looking south/north.

14w05a Text within the debug screen now has a background.

X, y, z, b, bl and other labels within the debug screen have been replaced with more understandable labels.

"Light" is now the light levels at feet, not eyes.

14w06a X, Y, and Z title in the debug screen has been changed from 'Feet' in the previous snapshot, to 'XYZ'.

A day counter, which increases by 1 every dawn, has been added to the debug screen.

The debug screen now displays difficulty: Peaceful- 0.00, Easy- 0.75, Normal- 1.50, Hard 2.25 (but numbers slowly increase the longer the player is in an area).

The debug screen now displays player rotation in degrees and quadrants.

14w11a On the right-hand side of the debug screen, a display now shows up if the player is looking at a block, showing its ID and block states.

14w17a All blocks now have their info displayed on the right-hand side of the F3 debug screen.

The "Facing negative/positive x/z" from the debug screen has been removed.

14w20a The "Facing negative/positive x/z" has been readded to the debug screen.

14w25b F3 + B now also shows which direction entities are looking using a blue line.

The line on the right-hand side that had displayed the name of the block model the player was looking at has been removed from the debug screen.

14w29a A 'Reduced Debug Info' toggle now exists within multiplayer settings to enable/disable reduced information on the debug screen.

The reducedDebugInfo gamerule allows the player to enable/disable reduced information on the debug screen. This overrides all 'reduced debug info' settings in clients.

14w30a The debug screen now displays how many chunk sections are being rendered currently and how many chunk sections are out of view in percent, the OpenGL version, display size, vendor and GPU.

"Vanilla" has been added to the version number within the debug screen.

1.8.2 pre1 The frame time graph within the debug screen has been readded and redesigned, so that it can now be activated using Alt + F3 .

1.9 15w32a F3 + N now toggles between creative and spectator mode, when the player is in either of them. The player needs to be allowed to use /gamemode for this to work.

15w43a The debug screen now shows more information.

F3 + Q gives help and shows all F3 + key combinations.

F3 + F now increases render distance by 1 (Minimum and Maximum are 2-32).

F3 + ⇧ Shift + F now decreases render distance by 1 (Min and Max are 2-32).

The debug screen now shows if the pie chart and fps chart are shown on screen.

The debug screen now shows text in chat when the player reloads chunks, sounds, etc.

The debug screen now does not open when the player uses a specific key combination like F3 + N , F3 + B , etc.

F3 + S has been removed from the debug screen, which previously reloaded sounds.

F3 + T now reloads all resource pack content, including sounds.

Red, blue and green lines have now changed in size within the debug screen and now change relative to the GUI scale.

1.10 16w20a F3 + G toggles the visible chunk borders around the player.

The 3 lines indicating direction now have a small black outline when looking at an area with bad contrast.

1.13 18w11a Pressing F3 + C now copies the player's current location to the clipboard in the form of a /tp command, though holding for 10 seconds and releasing still forces a debug crash.

18w14a The debug screen now gives a warning before forcing a debug crash.

18w22c F3 debug overlay now shows the fluid the player is looking at, separately from blocks.

pre6 F3 + I copies block or entity data to the clipboard.

Added information about the time it takes for a tick on the integrated server, number of packets sent by the client (tx), and number of packets received by the client (rx).

pre7 Added "Looking at liquid" row, which displays the targeted fluid's coordinates.

"Looking at" row within the debug screen has been renamed to "Looking at block."

"Targeted Block" information now targets through fluids. It displays information for blocks up to 16 blocks away.

Added "Targeted Entity," which displays information for entities up to 16 blocks away.

F3 + I [note 1] has been changed to now be ⇧ Shift + F3 + I . It is now clarified that it copies the client-side data of targeted block or entity. It still can be used by anyone.

Added F3 + I to copy targeted block or entity server-side data to clipboard. It can be used only by operators.

1.13.1 18w30a Added Ctrl + F3 + C to force a JVM crash, instead of a regular crash.

18w31a Added new fields for the current dimension and the related force loaded chunks.

1.14 18w43c Pressing Alt + F3 now shows TPS (ticks per second).

Added min / avg / max tick times to help find stutters.

1.14.1 Pre-Release 1 Pressing F3 + Esc now toggles pause without pause menu (if pausing is possible).

Pressing F3 + N when in Survival or Adventure mode now changes the player into Creative mode, if cheats are enabled.

1.15 19w38a The chunk update counter has been removed from the debug screen.

1.16 20w20a Added gamemode switcher accessible with F3 + F4 .

F3 + N now toggles between Spectator mode and the previous gamemode.