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5.2.0-beta (7 September 2021)

  • [IMPROVEMENT] Add Rack::Builder probe to better instrument middlewares in Sinatra and other Builder-based apps
  • [BUGFIX] Fix an issue in which trace logging could output the incorrect request ID.
  • [BUGFIX] fix native extension configuration for arm64 hosts

5.1.1 (May 27, 2021)

  • [BUGFIX] Correct ruby version requirement in skylight.gemspec

5.1.0 (May 24, 2021)

  • [FEATURE] Add experimental tcp-based skylightd (may be enabled with SKYLIGHT_ENABLE_TCP=true)

  • [IMPROVEMENT] Support aarch64-darwin targets (Apple M1)

  • [IMPROVEMENT] Support aarch64-linux-gnu targets

  • [IMPROVEMENT] Support aarch64-linux-musl targets

  • [IMPROVEMENT] Prevent large traces from shutting down the instrumenter

  • [IMPROVEMENT] Avoid 'invalid option' warnings when instrumenting certain Tilt templates in Sinatra

  • [IMPROVEMENT] Decrease verbosity of source locations logs in the debug level.


  • [BREAKING] Drop support for Ruby 2.5

5.0.1 (March 11, 2021)

  • [IMPROVEMENT] Use argument-forwarding (...) where available in custom instrumentation

5.0.0 (March 5, 2021)

  • [FEATURE] Add normalizer for Shrine events (thanks @janko!)

  • [FEATURE] Source Locations detection and reporting is now enabled by default (can be disabled with SKYLIGHT_ENABLE_SOURCE_LOCATIONS=false)

  • [FEATURE] Configuration for the Source Locations caches via SYLIGHT_SOURCE_LOCATION_CACHE_SIZE

  • [IMPROVEMENT] Improve keyword argument handling in Skylight::Helpers (thanks @lukebooth!)

  • [IMPROVEMENT] Replace a Kernel.puts with Skylight.log (thanks @johnnyshields!)

  • [IMPROVEMENT] Various updates to the SQL lexer

  • [IMPROVEMENT] Reduce volume of log messages sent to the native logger in debug level

  • [IMPROVEMENT] Optimizations for the Source Locations extension

  • [IMPROVEMENT] Improved Delayed::Job probe

  • [IMPROVEMENT] Maintain method visibility when instrumenting with instrument_method

  • [IMPROVEMENT] Update probes to use Module#prepend where possible

  • [IMPROVEMENT] New tokio-based skylightd

  • [IMPROVEMENT] Support render_layout notifications in Rails 6.1

  • [IMPROVEMENT] Support ActionMailer::MailDeliveryJob in Rails 6.1

  • [IMPROVEMENT] Better logging config. SKYLIGHT_NATIVE_LOG_LEVEL now defaults to warn.

  • [BREAKING] Rename environment keyword argument to priority_key. Note env has not changed.

  • [BREAKING] Merge skylight-core into skylight. All classes previously namespaced under Skylight::Core have been moved to Skylight.

  • [BREAKING] Remove Skylight::Util::Inflector

  • [BREAKING] Drop support for Rails 4

  • [BREAKING] Drop support for Ruby 2.3 and 2.4

  • [BREAKING] Drop support for glibc < 2.23

  • [BUGFIX] Fix issue with missing metadata in MongoDB probe

  • [BUGFIX] Resolve an inability to parse certain SQL queries containing arrays

  • [BUGFIX] Allow multiple probes to be registered under the same key

  • [BUGFIX] Do not refer to Redis constant until the probe is installed

  • [BUGFIX] Fix nested calls to Normalizers::Faraday::Request.disable

4.3.2 (December 14, 2020)

  • [BUGFIX] Backport an ActionView fix from Skylight 5 (makes Skylight 4 compatible with Rails 6.1)

4.3.1 (June 24, 2020)

  • [BUGFIX] Fix an issue in which Mime::NullType would result in an exception

4.3.0 (March 18, 2020)

  • [IMPROVEMENT] Fix Ruby 2.7 warnings
  • [IMPROVEMENT] Update Grape normalizer for version 1.3.1
  • [BUGFIX] Fix an issue where GraphQL normalizers could fail to load in non-Rails contexts

4.2.2 (February 25, 2020)

  • Support graphql-ruby version 1.10

4.2.1 (January 14, 2020)

  • [IMPROVEMENT] Enable instrumentation for ActionMailer::MailDeliveryJob
  • [BUGFIX] Improved handling for non-SPEC compliant Rack middleware

4.2.0 (October 30, 2019)

  • [FEATURE] Add GraphQL probe
  • [FEATURE] Optionally add Rack mount point to Sinatra endpoint names
  • [FEATURE] Add Skylight.mute and Skylight.unmute blocks to selectively disable and re-enable
  • [IMPROVEMENT] Shut down the native instrumenter when the remote daemon is unreachable instrumentation
  • [IMPROVEMENT] Revise agent authorization strategy (fixes some issues related to activation for background jobs)
  • [IMPROVEMENT] Fix Rails 6 deprecation warnings
  • [BUGFIX] Skip the Sidekiq probe if Sidekiq is not present

4.1.2 (June 27, 2019)

  • [BUGFIX] Correct an issue where the delayed_job probe may not be activated on startup

4.1.1 (June 25, 2019)

  • [BUGFIX] Fix Skylight installation when bundled with edge rails Issue #132
  • [IMPROVEMENT] Improve socket retry handling in skylightd

4.1.0 (June 3, 2019)

  • [FEATURE] add normalizers for Graphiti >= 1.2
  • [BUGFIX] re-enable aliases in skylight.yml

4.0.2 (May 21, 2019)

  • [BUGFIX] Fix an issue with Delayed::Job worker name formatting

4.0.1 (May 9, 2019)

  • [BUGFIX] Better detection of known web servers

4.0.0 (May 6, 2019)

  • [FEATURE] Skylight for Background Jobs
  • [FEATURE] instrument ActiveStorage notifications
  • [FEATURE] Probe for Delayed::Job (standalone)
  • [FEATURE] Add Skylight#started? method
  • [IMPROVEMENT] Support anonymous ActiveModelSerializer classes
  • [IMPROVEMENT] Improve error handling in normalizers
  • [IMPROVEMENT] Handle Rails 6's middleware instrumentation
  • [IMPROVEMENT] Better rendered format detection in Rails controllers
  • [IMPROVEMENT] Recognize the Passenger startup script as 'web'
  • [IMPROVEMENT] ActionMailer::DeliveryJob are now reported using the mailer name and method
  • [IMPROVEMENT] Better content type handling for ActionController normalizer
  • [IMPROVEMENT] Better handle some things in Ruby 2.6
  • [IMPROVEMENT] Better logging in a couple places
  • [IMPROVEMENT] Fixed a couple Ruby warnings (thanks, @y-yagi!)
  • [IMPROVEMENT] Handle 403 config validation response
  • [IMPROVEMENT] Config for prune_large_traces is now true by default
  • [BUGFIX] Require http formatters for Faraday (thanks, @serkin!)
  • [BREAKING] Drop support for Ruby 2.2 since it is EOL
  • [BREAKING] New method for assigning 'segment' to a trace endpoint name

3.1.4 (January 24, 2019)

  • [BUGFIX] ActiveJob#perform_now should not reassign the endpoint name

3.1.3 (January 23, 2019)

  • [BUGFIX] skylightd correctly closes cloned file descriptors on startup
  • [BUGFIX] Convert numeric git shas to strings

3.1.2 (November 29, 2018)

  • [BUGFIX] Fix derived endpoint names under Grape 1.2

3.1.1 (October 25, 2018)

  • [IMPROVEMENT] Get AMS version from Gem.loaded_specs (thanks @mattias-lundell!)

3.1.0 (October 22, 2018)

  • [IMPROVEMENT] Trace Mongo aggregate queries
  • [BUGFIX] Correct configuration keys in skylight.yml
  • [BUGFIX] SQL queries with schema-qualified table names are parsed correctly
  • [BUGFIX] SELECT ... FOR UPDATE queries are parsed correctly
  • [BUGFIX] Revision to SQL string escaping rules
  • [BUGFIX] Fix issue where Rails routing errors could result in a broken trace.

3.0.0 (September 5, 2018)

  • [FEATURE] First class support for multiple application environments
  • [IMPROVEMENT] Better instrumentation of ActiveJob enqueues
  • [BREAKING] The ActiveJob enqueue_at normalizer is now a probe that is enabled by default. The normalizer no longer needs to be required.
  • [BREAKING] Remove SKYLIGHT_USE_OLD_SQL_LEXER config option

2.0.2 (June 4, 2018)

  • [IMPROVEMENT] Improve handling of broken middleware traces
  • [IMPROVEMENT] Don't rely on ActiveSupport's String#first (Thanks @foxtacles!)
  • [BUGFIX] Susbcribe to AS::Notifications events individually
  • [IMPROVEMENT] add normalizer for 'format_response.grape' notifications
  • [BUGFIX] Correctly deprecate the Grape probe

2.0.1 (May 1, 2018)

  • [BUGFIX] Correctly deprecate the now unncessary Grape probe.

2.0.0 (April 25, 2018)

  • [FEATURE] New SQL lexer to support a wider variety of SQL queries.
  • [BREAKING] Drop support for Ruby versions prior to 2.2
  • [BREAKING] Drop support for Rails versions prior to 4.2
  • [BREAKING] Drop support for Tilt versions prior to 1.4.1
  • [BREAKING] Drop support for Sinatra versions prior to 1.4
  • [BREAKING] Drop support for Grape versions prior to 0.13.0
  • [BREAKING] Drop support for Linux with glibc versions prior to 2.15
  • [BREAKING] Remove couch_potato normalizer as it doesn't appear to have ever worked
  • [BREAKING] log_sql_parse_errors config option is now on by default.
  • [IMPROVEMENT] Auto-disable Middleware probe if it appears to be causing issues
  • [IMPROVEMENT] More detailed logging and improved error handling
  • [IMPROVEMENT] Fix Ruby Warnings (Thanks @amatsuda!)
  • [IMPROVEMENT] Improved handling of errors generated in the Rust agent.
  • [IMRPOVEMENT] Add logging to Instrumentable for easier access
  • [IMPROVEMENT] Improved logging during startup

1.7.0 (April 24, 2018)

  • [FEATURE] New API for loading Probes. Example: Skylight.probe(:excon')
  • [FEATURE] New API for enabling non-default Normalizers. Example: Skylight.enable_normalizer('active_job')
  • [DEPRECATION] Support for Rails versions prior to 4.2
  • [DEPRECATION] Support for Tilt versions prior to 1.4.1
  • [DEPRECATION] Support for Sinatra versions prior to 1.4
  • [DEPRECATION] Support for Grape versions prior to 0.13.0

1.6.1 (April 12, 2018)

  • [IMPROVEMENT] Include endpoint name in error logging
  • [BUGFIX] Make sure to correctly release broken traces
  • [BUGFIX] Keep the require method private when overwriting

1.6.0 (March 21, 2018)

  • [FEATURE] Time spent the Rails router is now identified separately in the trace
  • [IMPROVEMENT] Switch logger to debug mode if tracing is enabled
  • [IMPROVEMENT] Improved logging for a number of error cases
  • [IMPROVEMENT] Middleware probe should now accept anything allowed by Rack::Lint
  • [IMPROVEMENT] We were using arity checks to determine Rails version but due to other libraries' monkey patches this could sometimes fail. We just check version numbers now.
  • [BUGFIX] Middleware probe no longer errors when Middleware returns a frozen array

1.5.1 (February 7, 2018)

  • [BUGFIX] skylight doctor no longer erroneously reports inability to reach Skylight servers.

1.5.0 (December 6, 2017)

  • [FEATURE] Coach instrumentation. Enabled automatically via ActiveSupport::Notifications.
  • [FEATURE] Option to enable or disable agent by setting SKYLIGHT_ENABLED via ENV.
  • [IMPROVEMENT] Better logging for certain error cases.
  • [BUGFIX] Backport a SPEC compliance fix for older Rack::ETag to resolve case where the Middleware probe could cause empty traces.
  • [BUGFIX] Fix a case where using the non-block form of Skylight.instrument with Skylight.done could cause lost trace data.

1.4.4 (November 7, 2017)

  • [BUGFIX] The minimum glibc requirement was errorneously bumped to 2.15. We have returned it to 2.5.

1.4.3 (October 18, 2017)

  • [BUGFIX] In rare cases, Rails Middleware can be anonymous classes. We now handle those without raising an exception.

1.4.2 (October 11, 2017)

  • [BUGFIX] For experimental deploy tracking support, resolve an error that occurred if the Git SHA and description were not set.

1.4.1 (October 10, 2017)

  • [BUGFIX] Fix an issue that would prevent the daemon from starting up on FreeBSD.

1.4.0 (October 4, 2017)

  • [FEATURE] Add probe for Rack Middlewares
  • [FEATURE] ActiveRecord Instantiation instrumentation
  • [FEATURE] Faraday instrumentation. Add 'faraday' to your probes list.
  • [IMPROVEMENT] Increase limit for items tracked in a requests
  • [IMPROVEMENT] Allow for more fine-grained control over position of Skylight::Middleware
  • [IMPROVEMENT] Improved handling of the user-level configuration options
  • [IMPROVEMENT] Avoid processing Skylight::Middleware unnecessarily
  • [EXPERIMENTAL] FreeBSD support. (This should work automatically on FreeBSD systems, but real-world testing has been minimal.)
  • [EXPERIMENTAL] ActionJob Enqueue instrumentation. (Only tracks the enqueuing of new jobs. Does not instrument jobs themselves. Off by default since it's not clear how useful it is. To enable: require 'skylight/normalizers/active_job/enqueue_at'.)

1.3.1 (May 17, 2017)

  • [IMPROVEMENT] Better suggestions in skylight doctor.

1.3.0 (May 17, 2017)

  • [FEATURE] Add normalizer for couch_potato. (Thanks @cobot)
  • [IMPROVEMENT] skylight doctor now validates SSL configuration
  • [IMPROVEMENT] Add ENV option to force use of bundled SSL certificates

1.2.2 (April 28, 2017)

  • [BUGFIX] Update bundled SSL certificates to avoid an authentication issue some users encountered due to a new certificate.

1.2.1 (April 20, 2017)

  • [BUGFIX] Ignored heartbeat endpoints with response types weren't actually ignored. They now will be!

1.2.0 (April 10, 2017)

  • [FEATURE] Response Type tracking for all applications. (Previously known as Segments.)

1.1.0 (March 9, 2017)

  • [FEATURE] Support musl-based OSes (including Alpine Linux)
  • [FEATURE] Add Elasticsearch Probe
  • [FEATURE] Add HTTPClient probe (#76)j
  • [IMPROVEMENT] Update tested Ruby versions, drop 1.9.2
  • [BUGFIX] Fix HTTP_PROXY handling of empty strings (#90)
  • [BUGFIX] Don't crash on empty content_type strings
  • [BUGFIX] Use more robust method to detect home dir (#75)
  • [BUGFIX] Add option to suppress environment warning (#62)

1.0.1 (November 15, 2016)

  • [BUGFIX] Gracefully handle non-writable log files
  • [BUGFIX] Fix skylight doctor's handling of config files
  • [BUGFIX] Support MetalControllers that don't use ActionController::Rendering

1.0.0 (October 19, 2016)

  • [BETA FEATURE] Track separate segments for endpoints. Contact to have this feature enabled for your account.
  • [FEATURE] Initial 'skylight doctor' command
  • [BREAKING] Removed old skylight setup without creation token
  • [BREAKING] Remove Ruby based SQL lexer
  • [IMPROVEMENT] Internal refactors
  • [BUGFIX] Correctly pass 'false' config values to Rust agent

0.10.6 (August 10, 2016)

  • [BUGFIX] Turn off -Werror and -pedantic for builds. Issue #64

0.10.5 (June 22, 2016)

  • [BUGFIX] Fix issue with Grape multi-method naming
  • [BUGFIX] Add http to proxy_url for native fetching
  • [BUGFIX] Fix setting proxy_url in config YML
  • [IMPROVEMENT] Log errors during authentication validation

0.10.4 (June 3, 2016)

  • [BUGFIX] Sinatra instrumenation now works for latest master
  • [BUGFIX] Sequel support for 4.35.0
  • [BUGFIX] Handle latest ActiveModel::Serializers version
  • [BUGFIX] More precise check for existence of Rails
  • [BREAKING] Drop official support for Sinatra 1.2 (it likely never worked correctly)
  • [IMPROVEMENT] On Heroku, logs are now written to STDOUT
  • [IMPROVEMENT] Allow Skylight to raise on logged errors, useful for testing and debugging
  • [IMPROVEMENT] Finish Rack::Responses in Middleware
  • [IMRPOVEMENT] Better message when config/skylight.yml already exists
  • [IMPROVEMENT] Update Rust Agent with SQL improvements, including handling for arrays and WITH

0.10.3 (February 2, 2016)

  • [BUGFIX] Don't validate configuration on disabled environments.

0.10.2 (January 19, 2016)

  • [BUGFIX] Fix git repository warning on startup. Issue #58

0.10.1 (January 4, 2016) [YANKED]

  • [FEATURE] Preliminary work for deploy tracking (not yet functional)
  • [BUGFIX] Don't crash if user config (~/.skylight) is empty
  • [BUGFIX] Better handling of unsupported moped versions
  • [IMPROVEMENT] Internal refactor of configuration handling
  • [IMPROVEMENT] Improve automated tests
  • [IMPROVEMENT] Fix tests in Rails 5 (No actual code changes required!)

0.10.0 (December 3, 2015)

  • [FEATURE] ActiveModel::Serializers Instrumentation. Always on in latest HEAD, for previous version add 'active_model_serializers' to probes list.
  • [BUGFIX] Handle multi-byte characters in SQL lexer

0.9.4 (November 23, 2015)

  • [FEATURE] Added instrumentation for official Mongo Ruby Driver (utilized by Mongoid 5+). Add 'mongo' to probes list to enable.
  • [BUGFIX] SQL lexer now handles indentifiers beginning with underscores.
  • [BUGFIX] Excon instrumentation now works correctly.
  • [BUGFIX] Graceful handling of native agent failures on old OS X versions.
  • [IMPROVEMENT] Freeze some more strings for (likely very minor) performance improvements.
  • [IMPROVEMENT] Better error messages when sockdir is an NFS mount.
  • [IMPROVEMENT] On OS X, ensure that Xcode license has been approved before trying to build native agent.

0.9.3 (November 17, 2015)

  • [BUGFIX] Update SQL lexer to handle more common queries
  • [BUGFIX] Correctly report native gem installation failures

0.9.2 (November 13, 2015)

  • [BUGFIX] Correctly update Rust agent to include SQL fixes that were supposed to land in 0.9.1.

0.9.1 (November 10, 2015)

  • [BUGFIX] Update Rust SQL lexer to handle NOT and :: typecasting.

0.9.0 (November 6, 2015)

  • [FEATURE] Expose Skylight::Helpers.instrument_class_method
  • [BUGFIX] Allow for instrumentation of setters
  • [BUGFIX] Fix an issue where loading some items in the Grape namespace without loading the whole library would cause an exception.
  • [IMPROVEMENT] Switch to Rust SQL lexer by default
  • [IMPROVEMENT] Add support for Redis pipelined and multi
  • [IMPROVEMENT] Updated Rust internals
  • [IMPROVEMENT] Agent should now work on current Rails master
  • [IMPROVEMENT] Better disabling of development mode warning

0.8.1 (October 1, 2015)

  • [BUGFIX] Fix agent on OS X El Capitan.
  • [PERFORMANCE] Explicitly subscribe to normalized events
  • [IMPROVEMENT] Use native unique description tracking
  • [IMPROVEMENT] Native SQL: Support multistatement queries

0.8.0 (August 13, 2015)

  • [FEATURE] Add Grape instumentation. See
  • [FEATURE] Process ERB in config/skylight.yml
  • [FEATURE] Add Rust based SQL lexing. Currently beta. Enable with config.sql_mode = 'rust'.
  • [BUGFIX] Fixed a case where, With some logger configurations, duplicate messages could be written to STDOUT.

0.7.1 (August 4, 2015)

  • [BUGFIX] Fix bug in FFI error handling

0.7.0 (August 3, 2015)

  • [BUFIX] Condvar bug in Rust. Updated to latest nightly.
  • [BUGFIX] Don't crash on ruby stack overflow
  • [IMPROVEMENT] Silence a noisy log message
  • [IMPROVEMENT] Update to latest openssl & curl
  • [FEATURE] Add probe on ActionView for layout renders

0.6.1 (June 30, 2015)

  • [BUGFIX] Don't use $DEBUG to enable verbose internal logging

0.6.0 (January 27, 2015)

  • [IMPROVEMENT] Eliminates runtime dependency on the Rails constant across the entire codebase
  • [FEATURE] Support for Sinatra applications. See
  • [FEATURE] Support for the Sequel ORM (off by default for Rails apps)
  • [FEATURE] Support for Tilt templates (off by default for Rails apps)

0.5.2 (December 15, 2014)

  • [IMPROVEMENT] Support ignoring multiple heartbeat endpoints
  • [BUGFIX] Fix compilation errors on old GCC

0.5.1 (December 5, 2014)

  • [BUGFIX] Fix issues with working directory dissappearing

0.5.0 (December 4, 2014)

  • [IMPROVEMENT] Automatically load configuration from ENV
  • [FEATURE] Track object allocations per span
  • [IMPROVEMENT] Fix C warnings

0.4.3 (November 17, 2014)

  • [BUGFIX] Fix Moped integration when queries include times

0.4.2 (November 12, 2014)

  • [BUGFIX] Fix exit status on MRI 1.9.2
  • [BUGFIX] Strip SQL comments for better aggregation

0.4.1 (November 7, 2014)

  • [BUGFIX] Fix downloading native agent on 32bit systems
  • [BUGFIX] Support legacy config settings
  • [FEATURE] Check FS permissions on instrumenter start

0.4.0 (November 3, 2014)

  • Featherweight Agent: lowered CPU and memory overhead
  • [IMPROVEMENT] Add support for ignoring an endpoint by name

0.3.21 (October 8, 2014)

  • [BUGFIX] Skylight crashing on start won't crash entire app

0.3.20 (September 3, 2014)

  • [BUGFIX] Fix app name fetching on Windows for skylight setup

0.3.19 (July 30, 2014)

  • [IMPROVEMENT] HEAD requests are no longer instrumented and will not count towards usage totals.
  • [IMPROVEMENT] Improve how warnings are logged to reduce overall noise and interfere less with cron jobs
  • [BUGFIX] Fixed a case where failed app creation raised an exception instead of printing error messages

0.3.18 (July 17, 2014)

  • [FEATURE] Redis probe (Not enabled by default. See
  • [FEATURE] Support app creation with token instead of email/password
  • [BUGFIX] App creation now works even when Webmock is enabled
  • [BUGFIX] Fix instrumentation for methods ending in special chars
  • [BUGFIX] Improved SQL parsing
  • [IMPROVEMENT] Respect collector token expiration to reduce token requests

0.3.17 (July 1, 2014)

  • Fix warning for Cache.instrument overwrite

0.3.16 (July 1, 2014) [YANKED]

  • Fixed ActiveSupport::Cache monkeypatch

0.3.15 (June 30, 2014) [YANKED]

  • Basic instrumentation for ActiveSupport::Cache
  • Fix incompatibility with old version of rack-mini-profiler
  • Better error messages when config/skylight.yml is invalid
  • Better error messages for non-writeable lock/sockfile path

0.3.14 (June 3, 2014)

  • Do not build C extension if dependencies (libraries/headers) are missing
  • [RUST] Improve performance by not double copying memory when serializing
  • Enable the Net::HTTP probe by default

0.3.13 (May 12, 2014)

  • Load probes even when agent is disabled
  • Check for Excon::Middlewares before installing the probe
  • SQL error encoder should not operate in-place
  • Fix Middleware
  • More debug logging
  • Log Rails version in MetricsReporter
  • Handle missing Net::ReadTimeout in 1.9.3
  • Include original exception information in sql_parse errors
  • Debugging for failed application creation
  • Make double sure that Trace started_at is an Integer

0.3.12 (April 17, 2014)

  • Include more information in type check errors
  • Use stdlib SecureRandom instead of ActiveSupport::SecureRandom - Fixes Rails 3.1
  • Instrumenter#start! should fail if worker not spawned
  • Configurable timeouts for Util::HTTP
  • Improve proxy handling for Util::HTTP
  • Improve HTTP error handling
  • Refactor sql_parse errors

0.3.11 (April 11, 2014)

  • Improved error handling and internal metrics
  • Improved missing native agent message
  • Improved install logging
  • Added initial inline docs
  • Respects HTTP_PROXY env var during installation
  • Don't overwrite sockfile_path if set explicitly

0.3.10 (April 8, 2014)

  • Don't raise on missing native agent path

0.3.9 (April 8, 2014)

  • Avoid finalizing sockets in the child process
  • Fix non-displaying warnings around native agent
  • Remove HTTP path information from title for better grouping

0.3.8 (April 3, 2014)

  • Update vendored highline to 1.6.21
  • Send more information with exceptions for easier debugging
  • Instrument and report internal agent metrics for easier debugging
  • Fix bug with tracking request counts per endpoint

0.3.7 (March 31, 2014)

  • Use a default event category if none passed to Skylight.instrument
  • Fix bugs around disabling the agent
  • Fix native extension compilation bugs

0.3.6 (March 27, 2014)

  • Shorter token validation timeout
  • Allow validation to be skipped

0.3.5 (March 26, 2014)

  • Update Rust component
  • Return true from Task#handle to avoid sutdown
  • Fix numeric check that caused crash on some 32-bit systems
  • Improve error message for missing Skylight ext
  • Better config error messages
  • Validate authentication token before starting
  • Add proxy support

0.3.4 (March 13, 2014)

  • Don't try to boot Skylight without native agent
  • Make exception classes always available
  • CLI should require railtie before loading application.rb

0.3.3 (March 12, 2014)

  • Load the railtie even without native agent

0.3.2 (March 11, 2014)

  • Autoload Skylight:Helpers even when native agent isn't available
  • Fix SEGV

0.3.1 (March 8, 2014)

  • Fix requires to allow CLI to function without native extension.

0.3.0 (February 28, 2014)

  • Native Rust agent
  • Send exceptions occurring during HTTP requests to the client.
  • Warn users when skylight is potentially disabled incorrectly.
  • Update SQL Lexer to 0.0.6
  • Log the backtraces of unhandled exceptions
  • Add support for disabling GC tracking
  • Add support for disabling agent

0.2.7 (February 26, 2014)

  • Disable annotations to reduce memory load.

0.2.6 (February 25, 2014)

  • inspect even whitelisted payload props
  • Ignore Errno::EINTR for 'ps' call

0.2.5 (February 21, 2014)

  • Revert "Update SqlLexer to 0.0.4"

0.2.4 (February 20, 2014)

  • Whitelist process action annotation keys.
  • Update SqlLexer to 0.0.4

0.2.3 (December 20, 2013)

  • Fix SQL lexing for comments, arrays, double-colon casting, and multiple queries
  • Handle template paths from gems
  • Status and exception reports for agent debugging

0.2.2 (December 10, 2013)

  • Added support for Mongoid/Moped
  • Fix probe enabling
  • Improved error reporting
  • Fix bug with multiple subscribers to same notification

0.2.1 (December 4, 2013)

  • Fix bin/skylight

0.2.0 (December 3, 2013)

  • Added Probes, initially Net::HTTP and Excon
  • Wide-ranging memory cleanup
  • Better resiliance to binary and encoding errors
  • Add support for disabling
  • De-dupe rendering instrumentation better
  • Fix send_file event to not spew a gazillion nodes
  • Rails 3.0 compatibility
  • Detailed SQL annotations

0.1.8 (July 19, 2013)

  • Update agent for new authentication scheme
  • Change ENV variable prefix from SK* to SKYLIGHT*

0.1.7 (July 11, 2013)

  • Add instrument_method helper
  • Add the ability to configure logging from railtie
  • Tracks the current host
  • [BUG] Handle AS::N monkey patching when there are already subscribers
  • [BUG] Handle ruby 1.9.2 encoding bug

0.1.6 (June 11, 2013)

  • [BUG] Fix unix domain socket write function in standalone agent
  • Performance improvements
  • Tolerate invalid trace building
  • Fix Skylight on Rails 4

0.1.5 (May 31, 2013)

  • Provide a default CA cert when one is not already present
  • Expose Skylight.start! and Skylight.trace as APIs
  • Expose Skylight.instrument as an API for custom instrumentation.

0.1.4 (May 30, 2013)

  • [BUG] Fix some errors caused by floating point rounding
  • [BUG] Handle clock skew caused by system clock changes

0.1.3 (May 29, 2013)

  • [BUG] Require net/https and openssl
  • [BUG] Rails' logger does not respond to #log. Use level methods instead

0.1.2 (May 29, 2013)

  • [BUG] Disable GC profiling on JRuby

0.1.1 (May 29, 2013)

  • [BUG] GC Profiling was not getting enabled

0.1.0 (May 24, 2013)

  • Initial release