The following is a summary of the releases of Roll20 updates, along with a link to the forum post/full changelog for each.

May 20, 2015

Player Directory and Roll Template changes, including:

• A revamp of how the Player Directory works, including new functionality
• Three new helper functions for use with Roll Templates; rollGreater(), rollLess(), and rollBetween()
• The addition of the ability to use other roll template rolls in place of comparison numbers

Full changelog: [1]

April 27, 2015

Medium-sized update which included:

• Nested Inline Rolls
• Chat Timestamps
• New Achievements
• Better Forum Searching

Full changelog: [2]

March 23, 2015

Post Update of Holding bugfix and polish update, including:

• Multiline text in roll templates
• Popout character sheets fix for Chrome Beta (v 42)
• Fixed 3D Dice and macro visibility issue, and more.

Full changelog: [3]

March 10, 2015

The Update of Holding, our third major update to the Roll20 platform. Lots more than covered here, but the highlights include:

• Folders added to the Journal
• Popout Character and Handout windows
• 3D Dice overhauled
• Roll Templates added
• New chat commands, API updates, and more!

Read more the blog post: http://blog.roll20.net/post/113260571295/update-of-holding-live

Full changelog: [4]

January 27, 2015

API bugfix update addressing the following issues:

• Getting a "heartbeat timeout" or "script closed due to error" message when you come back to a game that was previously working fine
• Getting a "script closed due to error" message without further explanation
• Issues with previous sandbox instances not closing properly, leading to "double execution" of API scripts
• Not solely an API issue, we also fixed a bug yesterday that was causing some dice rolls not to work (including inside of API commands) on the Dev Server when 3D Dice were enabled

Full changelog: [5]

November 11, 2014

Medium-sized update which included:

• Restricting token movement so they can't move through Dynamic Lighting walls
• A "Light Multiplier" setting for Dynamic Lighting to support Low Light Vision mechanics in systems such as Pathfinder
• A Global Illumination setting to support outdoor environments where there is daylight, well-lit houses, etc.
• A reroll-once operator for games such as D&D 5E
• Drag-and-drop roll buttons off of sheets directly onto your macro quick-bar
• Turn order counters

Full changelog: [6]

September 3, 2014

Improvements to the Card Deck system, including:

• Choose a specific card to deal from the deck
• Choose to play cards to the table as "tokens" with all token-related features such as bubbles
• Store info in the cards when they are placed in a hand then back to the tabletop
• Press 'z' to zoom in on any item selected on the tabletop... Plus more!

Full changelog: [7]

June 25, 2014

A "minor" update which included:

• New zoom features
• Better image uploads
• Added the new Character Vault feature.
• Improvements to the LFG search

Full changelog: [8]

May 28, 2014

Data Delve, our second major update to the Roll20 platform. Too much to mention here, but the highlights include:

• QuantumRoll, our new "true" random number generator for dice rolling
• Character Sheets
• Server Upgrades
• Improved Video/Voice
• ...and a whole lot more (including hundreds of tweaks and bug fixes).

Read all about it on the blog post: http://blog.roll20.net/post/87112838355/data-delve-is-live

Full changelog: [9]

January 20, 2014

Minor update which addresses some lignering issues from Rugged Reroll and has some improvements to the ordering of rendering elements on the tabletop.

• Tokens that "have sight" are now drawn on top of everything, preventing limited line of sight viewing angles from hiding the token.
• Pings and Measurements are now drawn on top of everything else as well, allowing GMs and Players to point out things on the tabletop even if they're hidden to the players.
• Pings, measurements, and waypoints now no longer appear to players if they are done on the GM Layer.
• A "GM Notes" field was added to the Handouts
• Better proxying of external (web search) images.

Full changelog: [10]

December 16, 2013

Rugged Reroll, Roll20's larget update to-date. Short summary:

• Improved performance of large map rendering
• Added Field of View, and Line of Sight
• Improved built in voice chat
• Added Token Actions, Target Variables, Target Abilities
• Added Waypoints system for token movement and measurement
• Added Linkable Journal entries
• Changes to Campaign Management, and ability to make campaigns public (Pro only)
• Added ability to place players on different maps
• Updates to API (Pro only)
• New special FX engine (Pro only)

Full changelog: [11]

August 6, 2013

• Introduced Status Effect Icons, over 50 icons to use to keep track of status effects and other information about your tokens
• Introduced Roll Queries, a way to gather information to use in a roll or macro on a per-use basis
• New token display settings to determine where (top, bottom, etc.) status effect markers should be shown, and customize the color of token bars for your Campaign
• A new Deal to Initiative feature, very useful for games such as Savage Worlds which use card-based drawing to determine turn order. Matching new turn order sorting option to sort by card/suit.
• Inline roll highlighting of crits/fumbles
• Shadows for 3D Dice
• New improvements to communication on the site, including PM archiving and editing and a Dismiss All Notifications button

Full changelog: [12]

July 16, 2013

• Introduced the Transmogrifier, a tool to help GMs share resources between their campaigns
• Introduced Inline Rolls, a new roll tool which has more compact results and can be used to do "sub-rolls" inside of other rolls
• Added floor() and ceil() functions for use in rolls
• Fixed crashes relating to the 3D Dice system
• Enabled Rollable Tables for ALL users (including Base/Free accounts)
• Added chat history clearing options

Full changelog: [13]

June 25, 2013

• Usability improvements to the Character editor, tokens, macro quick bar, etc.
• Group rotation and scaling added
• WebRTC trial underway to test new video chat implementation

Full changelog: [14]

June 6, 2013

• Small update focused primarily on improving lost connection detection

Full changelog: [15]

June 4, 2013

• Modules (collections of maps, tokens, sounds, characters, and handouts which are pre-generated and made into a Roll20 Campaign) were introduced. One free and one paid module were available at launch.
• The Roll20 API was enabled on the Main Server for Mentor users.

Full changelog: [16]

May 14, 2013

• Card decks were improved, with additional options for how cards are played to the tabletop, new hand management display, and a discard pile.
• The API was further improved, including state object persistence between play sessions and the ability to create new objects

Full changelog: [17]

April 30, 2013

• The Roll20 API was introduced
• The Roll20 Wiki was unveiled.
• New features for the Journal including tagging + searching journal entries, drag and drop re-reordering of attributes and abilities, players can edit Handouts, and more.
• Custom turn order entries
• Hide the right sidebar
• Macro and abilities editor made easier to use

Full changelog: [18]

April 8, 2013

• New Chat features including commands and avatars
• Auras now appear under tokens
• Weighting of Rollable Tables now possible

Full changelog: [19]

March 13, 2013

• Rollable Tables and Dice Tokens now available, allowing customization and "physical" use of dice
• Z-Order and Rendering Improvements

Full changelog: [20]

January 28, 2013

• Complete Overhaul of the Roll20 Forums
• Campaign Forums
• Private Messaging

Full changelog: [21]

2012 Updates

For a list of updates that occurred prior to 2013, please see the following forum post.

Full changelog: [22]