* New features
* New ship "Kanara Police Interceptor" (#2441)

* Minor changes and tweaks
* Improve thruster rendering (#2426, #1960)
* Added OpenGL debug output. Set EnableGLDebug in config.ini to enable
it (#2413)
* System Info View now shows orbital info for binary pairs (#2423)
* System Info View now shows body radius in kilometres (#2423)

* Fixes
* Fix SmartTable scrolling (#2349)
* Fix huge memory consumption on heightmapped terrains (#2418, 2405)
* Partially fix terrain collision failures (#2429, #2337)
* Allow an arbitrary number of navlight tags (#2427, #2438))

* Script and UI API changes
* A new module import system is now in place. Each dependency now needs
to be declared explicitly. See the Pull Request discussion for more
details (#1499)
* Lua scripts now run in individual sandboxes, with their own global
table. Interaction between modules needs to be done via explicit APIs
and imports. PersistentCharacters has been moved to
Character.persistent (#2417)
* Removed deprecated ShipType interface
* Rand.New now checks the type of its optional seed argument (#2445)

* Model changes
* Camera and gunmounts are now specified using tag points in the model.
Ship definition fields "camera_offset" and "gum_mounts" are now
deprecated (#2422)

* Internal changes
* Converted to SDL 2.0 (#2433, #2448)
* Remove GLU dependency (#2414)
* Bundle GLEW 1.10 (#2415)
* Upgrade miniz and force inline/static use (#2444)

Andrew Copland :

Hacking on adding mesh shields. Bit too transparent at the moment, and of course no fullscreen post processing, but still nicer than a big red sphere!

* New features
* New ship "Xylophis Short Range Shuttle" (#2442, #2515)
* New ship "Kanara Interceptor" (civilian version) (#2454, #2461)
* New ship "Nerodia" (#2505)
* New ship "Sinonatrix" (#2503)
* New settings screens (#2490, #2512)
* Vertical speed is shown with altitude, up to 10000 km or half the
planet's radius (#2446)
* Ship acceleration and delta-V is shown in the Ship Info View (#2518, #2211)
* The random face system now supports multiple species (#2440)
* The eclipse effect can now be disabled in the config file
(#2439, #2497, #2176, #2190)
* Allow up to two keys to be bound to a single input (#2222)

* Minor changes and tweaks
* Improved ship textures (#2450)
* Resized DSMiner
* Updated the Deneb to use new camera and gun tag-points (#2460)
* Set Speed mode is now initialised with the ship's forward speed (#2469)
* Cleaned up translation files (#2490)

* Script and UI API changes
* UI now uses a stack of layers instead of floating widgets (#2475, #2478)
* Multiline text widgets now default to 75 chars width (#2488)
* New UI methods and extended Lua interfaces (#2490)
* Checkbox: Toggle, SetState, IsChecked, onValueChanged
* List: GetSelectedIndex, SetSelectedIndex, NumItems, IsEmpty
* DropDown: GetSelectedIndex, SetSelectedIndex, NumItems, IsEmpty
* TextEntry: SetText
* Slider: GetRange, SetRange
* Basic joystick event support
* FileDialog now has a way to enter a new filename (#2490)
* Expose game settings, languages settings and keybindings to Lua (#2490)
* Models can now supply an "idle" animation that plays continuously (#2514)
* Models can now have multiple collidable parts that move with their
animations (#2493)
* ShipDef now has fields effectiveExhaustVelocity and thrusterFuelUse
(#2492, #2492)

* Fixes
* Modelviewer now correctly reloads tag-points when switching models
(#2451, #2456)
* Correctly setup UI sizing from window size (#2455, #2453)
* Fix TradeShips hang when trying to add cargo to almost-full ship
(#2459, #2432)
* Fix window/GL setup when multisampled antialiasing is requested but not
available (#2425)
* Fix a thread shutdown race condition that caused crashes at game exit
(#2464)
* Fix crash when game load fails (#2467, #2466)
* Fixed model spinner view distance (#2481)
* Stopped mouse movement when grabbed (#2485)
* Fixed UI::Margin sizing with non-ALL direction (#2490)
* Fix UI::Margin being created with an incorrect inner widget (#2513, #2511)
* Fix FileDialog not handling empty list and text entry (#2510, #2494)

* Model changes
* Pattern textures can now have alpha channels (#2449)

* Internal changes
* Enable C++11 (#2330)
* Lua blobs will now be correctly serialized (#2463)
* Removed many unnecessary uses of reinterpret_cast (#2465)
* Fix some problems reported by valgrind (#2472)
* Miscellaneous code improvements (#2474)
* Better Unicode handling in scan_enums (#2479)
* Cleaned up, fixed and documented LuaTable and LuaPushPull (#2332)
* Replace use of ScopedPtr with std::unique_ptr (#2519)