## 0.4.1 (Unreleased)

BUG FIXES:

 * Fixing only a single watch being run by an agent [GH-337]
 * Fixing potential race in connection multiplexing
 * Fixing issue with Session ID and ACL ID generation. Previously,
   sessions and tokens could be invalidated when the leader changed.
 * Fixing multiple headers for /v1/event/list endpoint [GH-361]

## 0.4.0 (September 5, 2014)

FEATURES:

 * Fine-grained ACL system to restrict access to KV store. Clients
   use tokens which can be restricted to (read, write, deny) permissions
   using longest-prefix matches.

 * Watch mechanisms added to invoke a handler when data changes in consul.
   Used with the `consul watch` command, or by specifying `watches` in
   an agent configuration.

 * Event system added to support custom user events. Events are fired using
   the `consul event` command. They are handled using a standard watch.

 * Remote execution using `consul exec`. This allows for command execution on remote
   instances mediated through Consul.

 * RFC-2782 style DNS lookups supported

 * UI improvements, including support for ACLs.

IMPROVEMENTS:

  * DNS case-insensitivity [GH-189]
  * Support for HTTP `?pretty` parameter to pretty format JSON output.
  * Use $SHELL when invoking handlers. [GH-237]
  * Agent takes the `-encrypt` CLI Flag [GH-245]
  * New `statsd_add` config for Statsd support. [GH-247]
  * New `addresses` config for providing an override to `client_addr` for
    DNS, HTTP, or RPC endpoints. [GH-301] [GH-253]
  * Support [Checkpoint](http://checkpoint.hashicorp.com) for security bulletins
    and update announcements.

BUG FIXES:

  * Fixed race condition in `-bootstrap-expect` [GH-254]
  * Require PUT to /v1/session/destroy [GH-285]
  * Fixed registration race condition [GH-300] [GH-279]

UPGRADE NOTES:

  * ACL support should not be enabled until all server nodes are running
  Consul 0.4. Mixed server versions with ACL support enabled may result in
  panics.

## 0.3.1 (July 21, 2014)

FEATURES:

  * Improved bootstrapping process, thanks to @robxu9

BUG FIXES:

  * Fixed issue with service re-registration [GH-216]
  * Fixed handling of `-rejoin` flag
  * Restored 0.2 TLS behavior, thanks to @nelhage [GH-233]
  * Fix the statsite flags, thanks to @nelhage [GH-243]
  * Fixed filters on criticial / non-passing checks [GH-241]
  * Fixed initial log compaction crash [GH-297]

IMPROVEMENTS:

  * UI Improvements
  * Improved handling of Serf snapshot data
  * Increase reliability of failure detector
  * More useful logging messages


## 0.3.0 (June 13, 2014)

FEATURES:

  * Better, faster, cleaner UI [GH-194] [GH-196]
  * Sessions, which  act as a binding layer between
  nodes, checks and KV data. [GH-162]
  * Key locking. KV data integrates with sessions to
  enable distributed locking. [GH-162]
  * DNS lookups can do stale reads and TTLs. [GH-200]
  * Added new /v1/agent/self endpoint [GH-173]
  * `reload` command can be used to trigger configuration
  reload from the CLI [GH-142]

IMPROVEMENTS:

  * `members` has a much cleaner output format [GH-143]
  * `info` includes build version information
  * Sorted results for datacneter list [GH-198]
  * Switch multiplexing to yamux
  * Allow multiple CA certis in ca_file [GH-174]
  * Enable logging to syslog. [GH-105]
  * Allow raw key value lookup [GH-150]
  * Log encryption enabled [GH-151]
  * Support `-rejoin` to rejoin a cluster after a previous leave. [GH-110]
  * Support the "any" wildcard for v1/health/state/ [GH-152]
  * Defer sync of health check output [GH-157]
  * Provide output for serfHealth check [GH-176]
  * Datacenter name is validated [GH-169]
  * Configurable syslog facilities [GH-170]
  * Pipelining replication of writes
  * Raft group commits
  * Increased stability of leader terms
  * Prevent previously left nodes from causing re-elections

BUG FIXES:

  * Fixed memory leak in in-memory stats system
  * Fixing race between RPC and Raft init [GH-160]
  * Server-local RPC is avoids network [GH-148]
  * Fixing builds for older OSX [GH-147]

MISC:

  * Fixed missing prefixes on some log messages
  * Removed the `-role` filter of `members` command
  * Lots of docs fixes

## 0.2.1 (May 20, 2014)

IMPROVEMENTS:

  * Improved the URL formatting for the key/value editor in the Web UI.
      Importantly, the editor now allows editing keys with dashes in the
      name. [GH-119]
  * The web UI now has cancel and delete folder actions in the key/value
      editor. [GH-124], [GH-122]
  * Add flag to agent to write pid to a file. [GH-106]
  * Time out commands if Raft exceeds command enqueue timeout
  * Adding support for the `-advertise` CLI flag. [GH-156]
  * Fixing potential name conflicts on the WAN gossip ring [GH-158]
  * /v1/catalog/services returns an empty slice instead of null. [GH-145]
  * `members` command returns exit code 2 if no results. [GH-116]

BUG FIXES:

  * Renaming "seperator" to "separator". This is the correct spelling,
      but both spellings are respected for backwards compatibility. [GH-101]
  * Private IP is properly found on Windows clients.
  * Windows agents won't show "failed to decode" errors on every RPC
      request.
  * Fixed memory leak with RPC clients. [GH-149]
  * Serf name conflict resoultion disabled. [GH-97]
  * Raft deadlock possibility fixed. [GH-141]

MISC:

  * Updating to latest version of LMDB
  * Reduced the limit of KV entries to 512KB. [GH-123].
  * Warn if any Raft log exceeds 1MB
  * Lots of docs fixes

## 0.2.0 (May 1, 2014)

FEATURES:

  * Adding Web UI for Consul. This is enabled by providing the `-ui-dir` flag
      with the path to the web directory. The UI is visited at the standard HTTP
      address (Defaults to http://127.0.0.1:8500/). There is a demo
  [available here](http://demo.consul.io).
  * Adding new read consistency modes. `?consistent` can be used for strongly
      consistent reads without caveats. `?stale` can be used for stale reads to
      allow for higher throughput and read scalability. [GH-68]
  * /v1/health/service/ endpoint can take an optional `?passing` flag
      to filter to only nodes with passing results. [GH-57]
  * The KV endpoint suports listing keys with the `?keys` query parameter,
      and limited up to a seperator using `?seperator=`.

IMPROVEMENTS:

  * Health check output goes into seperate `Output` field instead
      of overriding `Notes`. [GH-59]
  * Adding a minimum check interval to prevent checks with extremely
      low intervals fork bombing. [GH-64]
  * Raft peer set cleared on leave. [GH-69]
  * Case insensitive parsing checks. [GH-78]
  * Increase limit of DB size and Raft log on 64bit systems. [GH-81]
  * Output of health checks limited to 4K. [GH-83]
  * More warnings if GOMAXPROCS == 1 [GH-87]
  * Added runtime information to `consul info`

BUG FIXES:

  * Fixed 404 on /v1/agent/service/deregister and
      /v1/agent/check/deregister. [GH-95]
  * Fixed JSON parsing for /v1/agent/check/register [GH-60]
  * DNS parser can handler period in a tag name. [GH-39]
  * "application/json" content-type is sent on HTTP requests. [GH-45]
  * Work around for LMDB delete issue. [GH-85]
  * Fixed tag gossip propogation for rapid restart. [GH-86]

MISC:

  * More conservative timing values for Raft
  * Provide a warning if attempting to commit a very large Raft entry
  * Improved timeliness of registration when server is in bootstrap mode. [GH-72]

## 0.1.0 (April 17, 2014)

  * Initial release