update 1 to 5:

Multiplayer

Added new game mode, Infernal Run
Teams fight to obtain the ball and score in the opponent’s goal
Added Bots for multiplayer
Bots are available on original multiplayer maps in Team Deathmatch and Deathmatch game modes
Increased the maximum level cap to Echelon 11, level 50
Added the DOOM Marine Armor (Praetor Suit) as unlockable perk for achieving maximum multiplayer level cap

Resolved an issue where rapid controller input caused unusually high shotgun damage.

SnapMap
You can now play as the DOOM Marine in Praetor Suit Armor
Added over 30 Lazarus Lab–themed modules
Added Lazarus Lab–themed props
Improved Object Limits
Persistent Integer variables that can be passed between missions within a campaign
Save and restore your health/armor/ammo/weapons/equipment/max weapon slots/inventory
Added the ability to Get and Set Score
You can now access the Leaderboard Score in the HUD
Added new (first-person view) Player Camera Entity
Added camera rumble FX and sounds
Added new player modifiers
Ledge grab time, power-up time, barrel damage, equipment cool down
Plasma weapon mastery
Additional single-player Interactables
New single-player styled Objective HUD
Added single-player Compass
General single-player consistency pass on HUD
Added more POI options
Show distance, show on compass
Updated victory and post-match summary screens
More interactable and customizable GUI
Added animated Echo Events
Added new FX/hazards
Added % encounter complete listener to encounters
Ability to remove AI from finished encounters and events
Ability to remove unspawned AI from the AIC
Added ability to turn off bobbing on pickups to place them however you want
Editor improvement to hide/show types of objects
Editor improvement to lock rotation when moving objects
Editor improvement to disable snapping of objects to the floor
Added armor Customizations and Taunts

Update 4:

2 New Modes
Possession – New team-based Prowler vs. Marine multiplayer mode.
Bloodrush – New free-for-all multiplayer mode.
Region selection in MP, allowing folks to matchmaker based on their preference
Entitlements are now shared at the lobby level instead of by invite, so you won't need to send an invite every match to players who do not own the DLC content.
General matchmaking improvements to Multiplayer
Added new voting system in playlists for multiplayer modes and maps

SnapMap
New DOOM Classic Campaign
Added Feature Pack Campaign mission, including new classic DOOM levels

Classic DOOM Content
New classic DOOM modules, props, interactable items, lifts, pickups, sounds, classic player deaths, and music.

Community Support
Community Curation system enables newly published maps to be reviewed and recommended by the community
Community HUB overhauled, which makes finding your favorite content easier
SnapFeed support, allows users to subscribe to authors, players, and maps to get up-to-the-minute details on new content

Custom Environment Creation
Detailed hotspot and tiling textured blocking volumes can be used to create custom environments
Decal Tool to add blood, numbers, demonic symbols, grime, corrosion, and more to your maps
Massive update of new Hell and UAC environment props
Added new container object models

Additional Logic Tools
Copy content and logic from one map to Paste into another
Created multi-level campaign using Next Map Logic
Added Hazard and FX as a category of Spawners
Set color input added for all volumes and hazards
Snap Grid Offsets added to editor settings to allow authors to offset in XYZ coordinate space
POI can now be set on spawner items
Authors can get precise camera position by previewing the camera view within the editor
Added set environment and fade to camera properties
Authors can set their editor view to ignore current module environment settings
Cylinder volumes can be used as shootable triggers
Added support for silent (no VO announcements) lockdowns
No longer need to set a DOOM ID to post to map leaderboards

Additional DOOM Single Player Consistency
Additional DOOM weapon upgrades from Campaign – mastery versions of the HAR and Combat Shotgun
Campaign-styled communication HUD elements
Editable interactable GUI
Additional FX and Hazards
Added Rune Tablet interactable
Publish maps with Campaign intro screen and lobby
Additional equipment pickup items
Add Static keycard and weapons props
Added setting to disable hit feedback sounds
Added setting to disable damage indicators
Added setting to disable AI teleport FX
Added Berserk power-up

Miscellaneous Fixes and Additions
Added additional armor and weapon customization skins
Added Revenant player demon
Usable volumes will now work in the front of doors
Blocking Volumes (previously called Player Blocking Volumes) now default to static and visible when placed
AI can now be affected by Blocking Volumes
Some props can have their FX toggled on and off

Update 3:

Campaign

Fixes and Optimizations
Fixed an issue where exiting a Classic Map would cause the user to freeze on the Main Menu
Fixed a progression blocking issue when reloading checkpoint in Titan's Realm while picking up yellow skull in crusher room.
Fixed the Summoner and Pinky models not being visible under the Collectibles menu.
Fixed a crash which occurred when reloading Security Switches checkpoint with DOOM Classic Weapon Pose enabled in the VEGA Central Processing
Fixed cases of the Combat Shotgun Pop Rocket mod not tracking progress towards mastery.
Fixed an issue where dying at the map transition and restarting the map in next level would put your character in a broken state
Fixed an issue where turning on the Classic Weapon Pose during a weapon examination cut scene would cause a broken state
Fixed Remote Detonation mastery not incrementing if the player first uses Stun Bomb on enemy targets.
Fixed an animation issue where the Talisman Guards' legs would not move.
Fixed an issue where Mission Select does not accurately reflect the in game status of Dead Man Stalking Challenge in Kadingir Sanctum.
Various instability issues addressed.

SnapMap

Fixes and Optimizations
Improved general stability
Undo/Redo no longer causes memory drops
Anonymous players now are counted correctly in the map play counts
AI Path Points now work properly when set to Sprint
Browser sorting and empty browser are improved
Weapon switch now has proper key bindings
Empty Containers can now be picked up
Weapon On Pick Up logic works when set to On Touched
Clients are now stopped by Player Blocking Volumes
Locked doors now properly display a “Locked” message
Skull keys can be added and removed from Inventory
Added “Manage by AI Conductor” setting to property settings of additional AI
Ammo gained from picking up weapons works properly in all cases
Powercore spawns properly when spawned a map start
Lost Souls work properly with AI Path points
Give Armor works properly in all conditions

Update 2:

Single Player
Fixes and Optimizations
Fixed an issue where performance gradually decreased in the Polar Core level
Fixed an issue where the Gauss Cannon’s charged mod alt-fire did less damage than the base fire damage
Fixed an issue where players were unable to unlock the Argent Overload achievement/trophy if they began their progress after the release of Update 1
Fixed an issue where players were unable to unlock the Tinkering trophy if they began their progress after the release of Update 1 (PS4)
Fixed an issue where some users were not able to progress weapon and rune masteries after the release of Update 1.
The “What Else Ya Got” achievement/trophy no longer is blocked for those who have not completed the “Double take” challenge.
Fixed an issue which prevented users from using Combat Shotgun mods when out of shells, with “Rich Get Richer” enabled.
Multiplayer damage indicators have been removed from the single player mode.
Fixed an issue where users experienced a crash to desktop while using current NVIDIA drivers. (PC)
Fixed an issue which prevented users from assigning menu-specific actions to the Steam controller. (PC)

Multiplayer
New Features
Added two new multiplayer game modes
Sector – Capture and Hold
Exodus – Capture the Flag

Improvements to Matchmaking
Fixed several cases of party invites not working after the host leaves.
Improved host migration success rate.
Fixed issues with network connectivity loss resulting in being unable to join future matches
when connectivity was restored.
Improved handling of party peers in the game lobby.

Fixes
Fixed several third-person weapon issues (animation shaking, customization not appearing).
Fixed an issue with the magnetism hack module where power-items would not return to their original position if the player died while in transition.
Fixed an issue where taunting many times in a row could cause the player’s third-person animation to be stuck in one pose.
Fixed cases of loading screen tooltips not showing up correctly.
Fixed issue with Clan Arena and Freeze Tag showing the incorrect amount of player icons on the HUD (top-left player indicators).
Fixed issue with level up rewards, including level up rewards not being awarded properly).
Fixed presentation issue in the Intro sequence (disabling weapon GUI being displayed early).
First person hands customization fixes (fixed some cases where first person hands customization meshes weren't being shown correctly).
Fixed duplicate selection boxes in the Challenges screen.
Fixed issue where the previously played map could be loaded into the playlist again.
Fixed issue with PS+ offer being shown at an inappropriate time (PS4).


SnapMap
Community HUB Improvements
Added Find Open Match, a public match browser displaying all available public lobbies
Added a Recently Played Maps list
Added ability to Subscribe to maps and browse them from the new Subscribed Maps list
Improved the Map Browser with additional sorting options
Added new unlockable images for customizing published maps (11 new backgrounds, 10 new mode icons, 20 new miscellaneous images)
Added icons on the Map Browser to identify Cloud/Local maps

Editor Functionality Improvements
Added God Mode and Infinite Ammo as testing settings for map authors
Added Movement Speed settings in the editor

Content Additions
Added a customizable Weapon Wheel that allows the player to hold any number of weapons
Added 30 new Hell themed Modules including indoor and outdoor environments
Increased the number of weapons available by adding the Pistol, the Chainsaw and the Static

Rifle
Added Skull Keys, and Hell Barrel
Added The Unwilling to the available AI
Added the Mancubus as a selectable Player Demon
Added new Interactables including the Gore Nest, Hell Tablet, and Tripod Panel, a customizable touch screen panel
Added weapon-specific ammo to Pickups and AI drop tables
Added all new Hell Props including a giant demon skull, altars, cauldrons and more
Added construction props such stone blocks, rocks, columns, and arches for customizing


Hell environments
Added Launch Pads with logic to control distance, speed, direction, and destination
Added new FX to accompany the Launch Pads
Added new Demonic and Origin Hell Voice Speakers
Updated Speakers to include new instrument sounds
Added a Switch object which triggers only one output based on a specified index
Added a Custom Event object which triggers all instances of an event when any instance of it is signaled
Added three new Filters including Equipment, Weapon, and Cached Entity Filters


Improvements to Logic and Object Functionality
Weapons now have a property that allows players to pick up weapons when touched
AI have two new properties to Set Stagger Percentage, and Enable/Disable Stagger
Players now have the On Health Percentage Reached output
New style properties have been added to Light objects to create light FX such as blinking, strobe, rotating, and more
Props and Player Blocking Volumes now have a Static property that will return their
Network budget value, but will disable all inputs (show, hide, etc) during a match
Updated the Inventory entity to manage multiple weapons
Updated Player Loadout object to include Demon Player race selection
The AI Conductor behavior can now be altered when entering a module
AI spawning can be inhibited in a module through logic
Module Environments can be changed during a match with logic
Friendly AI health bars and POIs can be hidden or shown
Hazard damage can be set to a Variable
Color properties are now shown in a color swatch
A large health bar is now available as an Objective
Use Alternative AI Drop Table that simulates Campaign drops from demon kills

Fixes
Fixed the Spend input to result in a Spend Failure if it causes a Player/Team Resource to fall below zero
Fixed Player Demon hand jittering
Fixed the Network cost of Lights. This may result in previous maps having a maxed network budget. Map authors may need to remove other networked objects or use the Static property on Props or Player Blocking Volumes that aren't altered using logic.

Update 1:

General

Added Classic DOOM weapon placement/view model option (all modes)
Campaign
Added Photo Mode (You’ll find the new Photo Mode toggle in the game settings. It is
available through the pause menu once you are loaded into a map via Mission Select)

MP
Updated weapon balance (live as of June 10, 2016)
Clan Arena and Freeze Tag now require the winning team to complete 5 rounds in order to
win the match. (live as of June 10, 2016)
Customization UI has been implemented to show all possible unlocks
Cross Style option has been added to settings for MP.

SnapMap
Added Original Author to the map info page
Added a timeout for AFK in Lobby
Added a property to allow map authors to choose if SnapMap will auto-manage (hide/show) hand-placed AI
Added Enable/Disable to Shootable Trigger
Added Sky/Window props
Added an auto-rollback to previous version for corrupted maps
Improved sorting algorithms for Most Popular map searches

Fixes

Single Player
Fixed Steam Friends’ Ultra-Nightmare Helmets not populating the map
Fixed freeze when opening weapon wheel at more than 142 FPS (PC)
Fixed quit to desktop when clicking campaign after initiating Dev Mode (PC)
Fixed “IDKFA” Trophy/Achievement not properly unlocking (all versions)
Fixed PS4 crash when reloading checkpoint in Foundry
Fixed some occurrences of the “Every Nook and Cranny” Trophy not unlocking after collecting all Doomguys (PS4)
Fixed an issue where the game required Internet access (Xbox One)

Multiplayer
Fixed crash while experiencing server connection issues (PS4)
Fixed crash when a client suspends the game while a lobby loads into a match (PS4)
Various cosmetic and gameplay fixes
Matchmaking improvements
Fix for restrictive NAT types being chosen as dedicated server lobby host
Fix for larger lobbies having longer matchmaking times
Fix for Player getting left behind if they join a friend as the lobby countdown finishes
Bug and stability fixes

SnapMap
Fixed Asian language font issues
Fixed AI pathing error with certain types of props
Fixed error where multiple maps share the same Map ID
Various map error fixes
Various logic fixes
Various stability fixes

PC-Only
Fixed Dev Mode incorrectly triggering when the user retrieves their own save data from Steam Cloud