(Update 2.4 included, changes:)
Added: 4 COOP missions by JTS (Escape part 1,2,3,4)
Changed: "BrokenNVGoggles" no longer occupies NVG/Binoc slot
Changed: Improved init phase on client-part of Blowout module
Changed: "fn_dzn_breathfog" - speed of breathfog has been decreased (to prevent weird looking effect when wind is strong)
Changed: "fn_dzn_snowfall" - no longer requires is in building check pre-compiled
Changed: Lowered strength of ambient colour module effects (Effect: Namalsk cold color, Effect: Namalsk default gray color)
Changed: Finalized the way mutants work in MP (everything should be correctly visible and broadcasted now - but again, it requires a functions manager for MP)
Changed: Lowered zombie damage
Changed: Several other little things in ns_modules.pbo
Changed: Few minor details on sat texture for Namalsk
Changed: Few minor details on surface texture for Namalsk (Tara island and some other locations have more grass now)
Changed: Balance changes in different campaign missions
Fixed: Several objects positions on Namalsk
Fixed: A LOT of issues related to the custom models (geometries, shadows, textures), used by Namalsk, making them less exploitable, safer and better looking (Credits goes mainly to Vilas for help!)
Fixed: An issue at the start of Blowout module (client-part)
Fixed: An issue with "missing static object" for campaign mission 1,2,4,22a (SP and MP) (caused by waypoint attached to map object, which are constantly changed by map updates)
Fixed: An issue with mission 5 (MP) not being playable (only intro-scene previously)
Fixed: An issue with (not-game-breaking - appears only when ns_dayz present) mission dependency on ns_dayz addon in mission 6,7a,7b,8,10,22a (SP and MP)
Fixed: Minor script issue when entering Vorkuta in 10th mission (MP)
Fixed: Issues at the start of mission 12 and on Sabre point (MP)
Fixed: Part of 12 mission has been redone for MP version to be more logical and enjoyable from 2-player perspective (MP)
Fixed: Issues at the start of mission 13 (MP)
Fixed: Data download from mission objective laptop should always work now (MP)
Fixed: Issues at the start of mission 15, issue with AI often not following their waypoints and improved mission flow to support 2-player perspective (MP)
Fixed: Init of mission 17 (MP)
Fixed: False notification about player not following orders in mission 18 (MP)
Fixed: Minor sync issues in mission 18,20,21,22a,22b (MP)
Removed: Redundant data in ns_modules.pbo


(Update 2.3 included, changes:)
Added: Players can now recognize EVR/Blowout by certain signals (post process effects, sound effects) even without the protection device (under 5 minutes before its begin, only module version!)
Changed: EVR/Blowout module is now generating longer default periods between each EVR/Blowout sequences (not in dayz mode)
Changed: Driving a car on grass surface should no longer be faster than on road
Changed: Bloodsucker have now more health (health of bloodsucker was somehow compromised (lowered) during the last year of Arma II development)
Fixed: Locality issues with 'dzn_fnc_breathfog' - breath fog script will now end properly when other unit (not player) is killed


(Update 2.2 included, changes:)
Added: Several detailed objects
Added: C130J wreck site on the western mountain ridge
Added: snowfall function for Namalsk - 'dzn_fnc_snowfall' (requires function manager module)
Added: breath fog function for Namalsk - 'dzn_fnc_breathfog' (requires function manager module)
Improved: Mutant scripts for multiplayer (multiplayer requires functions manager)
Improved: Blowout module behaviour and code (you can now take cover against blowout in buildings)
Improved: Mutants should not have problems with hitting you (tweaked min attack range)
Improved: Namalsk Crisis campaign, mission #12, mission now waits a bit longer for players to run take the cover in Sebjan mine
Improved: Namalsk Crisis campaign, mission #07, task return to base radar can be now completed (had no impact on the gameplay)
Changed: Lowered a bit volume of the ambient sounds on Namalsk (please note that there is still bug present in arma II, which changes the sound volume randomly when doing alt+tab)
Changed: Object AII & Object AI names changed to Object A2 & Object A1 (so we dont hear people saying object everyone/everything)
Changed: Several variable types, names and dependencies
Fixed: Several objects collisions and terrain spikes on Namalsk


(Update 2.1 included, changes:)
Fixed some spelling errors in the campaign texts
Fixed 'bad link to a static object' in mission 01a,01b and 03
Fixed issue in mission 15, where the mission flow was not properly started because of commented line of code
Fixed issue in mission 16, where camera.sqs script appeared at the start of the mission
Fixed issue in mission 16 and 18, when player was able to choose alternate identity
Fixed & changed several objects positions on Namalsk island


(Update 2 included, changes:)
Fixed some spelling errors in the campaign texts
Improved behavior of some campaign scripts
Changed respawn type in the coop version of campaign to BIRD
In the coop version of campaign, some operations were moved only on server (previously was sometimes something twice)
In the coop version of campaign, tasks & diary notes are now added and operational on the both sides (previsously was just on the main character)
Some situations in the coop version of the campaign are scripted now a bit differently than in its SP version (to support better mission flow)
Upgraded all mission objects and scripts for the newest version of Namalsk
Changed the basic structure of AII underground laboratory module
AII underground laboratory module now turn off ambient sounds when entering
Firestation, supermarket and other smaller details added into Vorkuta
WIP building in Vorkuta upgraded to Arma II WIP building
Enhanced some locations from the logical point of view
Added more holes in fences or normal fence models replaced with the broken ones
Enhanced the transition to snow, added more variety
Added new base around the Seraja transmitter
Added new base under Nitija mountain
Brensk village changed completely
Brensk railway station area made a bit bigger with more details
Added warehouse object near Alakit
Added more details on the whole island
Added sandpit model and used in Vorkuta
Some objects on Namalsk were still in its Arma 1 version, this was changed and I can say that Namalsk is really the Arma II island
The custom railway models replaced with Arma II models + railway track on the bridge model modified to fit the new railway models
Fixed some flickering issues on the objects
Fixed swimming issues above the ponds / lakes
Fixed wrong or bad looking mapping on some objects
White dots, partially seen on the distant lods (while AA on) of the vegetation models are finally gone
Upgraded most of the used rvmat to the supershaders to support per pixel lights
Default super shader material (nst\ns\default.rvmat) added to the faces without any material so lights are working there too
Changed most of the normal maps to be fainter and better looking
Removed most of the specular maps
Some objects enhanced to be better looking
A lot of geometries was redone with a lot of more details
Fixed some player -> objects collisions (problems with walking through doors etc.)
Added more penetration materials to the geometries
Added paths for AI to the all possible objects and created positions for AI
Changed brightness of the artifical ground objects above AII underground
Added roadway textures (=sounds) on even more objects (sound of the surface you walking on)
Fixed shadow lod issue on the hut_old02.p3d, moved into ns2 addon to arma1 folder under new name hut_old01.p3d (where converted arma 1 objects are located) and added super shader support (flashlight support)
More of the Arma 1 objects, not included in Arma 2 and still used by Namalsk, added to the mod files and added super shader support
Added interior for the seb_bouda_plech.p3d
Added interior for the seb_bouda1.p3d + fuctional doors
Added interior for the seb_bouda3.p3d
Added interior for the seb_mine_maringotka.p3d + fuctional doors
Added interior for the domek_podhradi_1.p3d
Added interior for the vys_budova.p3d -> was 2 objects in one model, now didived into vys_budova_p1.p3d and vys_budova_p2.p3d + functional doors
budova4.p3d changed to its arma 2 version (mil_barracks_i) - interior version
budova4_winter.p3d changed to its arma 2 version (same as previous), but it was also retextured so it fits better to the winter setting
Fixed shading issues on molovabud1.p3d
Fixed - penetration material for glass was not penetrable - changed to glassPlate
Fixed issues with some ladders
plot_provizorni.p3d replaced with the custom model, which is lower and so possible to cross using 'v'
plastic bollard had too high mass (10kg) making it pretty serious block for normal cars - transferred from arma data files to mod files and changed to 1 kg
Some models renamed, so their name corresponds more with the actual model
Added a lot of new classes for different objects
Arma II model A_AdvertColumn.p3d without geometry was transferred to the mod files and added all needed things to be working properly now
Upgraded the terrain grid of Namalsk, before - 50 meters between vertexes of the terrain, now 6.25 meters
A lot of nice details to the terrain grid added
Enhanced terrain detail on the coastline
Fixed some objects collisions
Too steep slopes modified to not be too steep or designed differently
Changed clutter (=grass) object parameters and the use of them in CfgSurfaceCharacters
Randomized sizes of the not randomized vegetation models (brings more variety)
More small spruces added to the forests
Spruce models upgraded, changed colors a bit (both winter and non winter version)
Replaced all arma 1 versions of the rocks with arma 2 models and small boulders size was randomized
Boulders field were cleaned a bit, looking more believable now
Overlapping road models were removed from the Namalsk <-> Tara crossing
Keypoints revamp, added more named locations
Some locations were made more compatible for AI - removing objects or chaging objects positions
Size of satellite texture and surface mask increased to 12800x12800
Surface mask was completely redone, adding more variety to the surface on Namalsk with more details
Minor fixes on the satellite texture + proper sea and coastline made
More variety was added to the snow tranistion - both satellite and surface mask changes
Added a bit of snow on the hill on Tara island
Added "shadows" under vegetation models on the snow (fits better to the almost white terrain)
Removed 2nd nonsense airfield (for AI)
Namalsk terrain surfaces were renamed - added prefix 'nam_*' ('snih' changed completely, to 'nam_snow')
Default time on Namalsk had wrong year, now changed to 2011
Removed some redundant data files for the island
Changed skybox textures for Namalsk
Proper bumpmaps were generated for the each surface texture, used by Namalsk
Added a faint midDetailTexture for Namalsk (previously without any midDetailTexture)


(Update 1 included, changes:)
Added: Experimental COOP version of campaign Namalsk Crisis!
Added: Bloodsucker has now red glowing eyes (http://download.nightstalkers.cz/arma2/blll.jpg)
Fixed: Missing strings in first playable mission for Russian version
Fixed: Bloodsuckers are now spawned after the cutscene in Vorkuta in mission 7
Fixed: ItemRadio will be properly added now in mission 8
Fixed: Mission 10 have now a better design
Fixed: Problems with mission 10 after calling support
Fixed: If you will fail to reach proper destination with HALO jump in mission 12, mission no longer ends as completed
Fixed: Killing Peter in mission 18 will now affect the mission objective
Fixed: Difficulty of mission 20 has been changed
Fixed: Few missing strings in second version of mission 22
Fixed: More "saveGame" were added into missions
Fixed: Several changes in difficulty in several missions
Fixed: Tuned volume of sounds or music in some missions
Fixed: Radio voices are now longer played
Fixed: Namalsk island config was optimalized (Thanks to Kju!)
Fixed: Problems with mutant's cannibalism
Fixed: Armor of bloodsucker is changed
Fixed: Damage given by bloodsucker attack is decreased
Fixed: Reduced size of campaign missions