The biggest thing is this new PBR lighting, or some such and the new water effects, IIRC stuff like explosion effects and clouds are WIP
Also
DCS 2.1.0 is starting of new lineup of DCS 2.1 versions with integrated of NTTR and Normandy map together, new deferred shading and PBR features and numbers of a less major improvements.
Known issues that will be fixed ASAP:
The HUD indication would not be visible on the sky background in some circumstances.
DCS World
Introduced deferred shading and PBR.
Crash on second launch of track with JTAC fixed.
Scripting Engine. Weapon.getTarget() will returns correct value with SEAD weapons.
LOS determination fixes, Fog Of War fixes.
DCS Hawk T.1 by VEAO
Rear cockpit functionality removed for now for server stability. This should prevent server crashes when players eject, please report feedback.
Known bugs:
GTS and Engine spool up sounds not working.
HUD glass showing pink during day and red at night with deferred shading set to On.
External model bullet hole textures showing incorrectly with deferred shading set to On.
Taxi/landing light not casting light on surface with deferred shading set to On.
Taxi/landing light texture on external model incorrect with deferred shading set to On.
For now, it is best advised to turn deferred shading Off (in settings) when flying Hawk.
DCS MiG-21bis by MAGNITUDE 3 LLC
Added navigation support for Normandy (RSBN/PRMG only, no NDBs at the moment).
SAU landing mode improvement
FFB stick movement on roll improvement, when SAU is activated
Fixed pitched trimming with FFB
DCS Mi-8MTV2 by Belsimtek
Input. AI gunners commands can be bind to input devices.
Bug-fix HSI initialization
Bug-fixes of AI-gunners:
no fire during FIRE behavior option choice and target are within the range of shooting
AI gunners aiming
AI gunners skill slider
Bug-fix scale of speed indicator US-450
Added “dirty glass” (_glass_dirt) texture and livery (with choice from SPECIAL tab)
Tuned swing during engine start and buffet (vibration) during flight
DCS UH-1H by Belsimtek
Bug-fixes of AI-gunners:
no fire during FIRE behavior option choice and target are within the range of shooting
AI gunners aiming
AI gunners skill slider
DCS MiG-15bis by Belsimtek
Bug-fix RSI-6 frequency dimension in kneeboard
Excessive aileron drag fixed (Ailerons extremely draggy - Bugs and Problems - ED Forums)
DCS F-5E by Belsimtek
Corrected rockets release with 60 ms interval set via kneeboard.
DCS C-101 by AvioDev
New changes not included in latest 1.5.6 update:
Reworked ADI model and texture: new appearance, plus pitch and roll angles are now more accurate.
Fixed PAT mode FD pitch steering indication.
Fixed ADI FD Bar for GO AROUND mode.
Fixed FD GO AROUND light, which stayed lit after PAT, ALT modes engagement.
Best climb attitude in GO AROUND mode adjusted according to aircraft operations manual.
Fixed HSI course and heading knobs which should have no limit when sliding mouse (scrolling was already OK).
ANTISKID logic is implemented now as follows:
- The indicator is off when the system operates normally or gear handle is set to ‘GEAR UP’ or CB ‘BRAKES & ANTISKID’ is pulled.
- The indicator displays ‘OFF/ANTISKID’ (both orange and red lights) when gear is set to ‘GEAR DOWN’, antiskid system is powered (CB not pulled), and antiskid system is turned OFF.
Fixed following switches, they are now spring-loaded:
- Generator on/off/reset
- Generator fault/overvoltage test
- Manual temperature control switch (the one in the Air Conditioning Panel - COLD/MANUAL/WARM)
Following lights can now be rotated to adjust their brightness: Markers, IFF Reply, IFF Test, Emergency Pitch Trim, and Ignition.
Standby Attitude Indicator setting knob has now limits when scrolling.
Fixed Airspeed Indicator Bug, it travels now correctly.
Updated training missions due to generator test switch argument value change.
Adjusted ILS parameters.
ILS receiver sensitivity adjusted.
Fixed instruments glass and canopy reflections (WIP).
Changes already present in latest 1.5.6 update, which are new for 2.1.0:
See DCS 1.5.6 Update 2 and DCS 1.5.6 Update 3.
DCS A-10C
Roll will not induced side-slip with SAS on.
TACAN. Test light shape corrected.
Landing Gear Position Lights will lit at night.
RWR PRI Mode indicator will lit at night.
DCS Flaming Cliffs
Su-27. Cockpit stick animation angles corrected.
DCS L-39
Corrected L-39 Instant Missions for NTTR map.