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This project uses Break Versioning as of Aug 16, 2014.

v4.8.0 / 2016 Dec 18

[com.taoensso/timbre "4.8.0"]

This is a major feature & maintenance release that should be non-breaking in most cases (see 1 exception below)

  • BREAKING: Middleware no longer receives :msg_ or :hash_ (was rarely useful, caused confusion)

  • DEPRECATED: Per-appender :middleware-fn (was rarely useful, caused confusion)

  • [#198] New: Add 3rd-party kafka appender (@gfZeng)

  • [#202] New: Spit appender: add :append? option (@tkocmathla)

  • [#195] New: Logstash appender: add :flush? option (@tvanhens)

  • [#192] Impl: Rolling appender: create dirs when they don't exist (@dsapala)

  • [#207] Impl: Add docstring for with-context

  • Impl: Default output fn now falls back to ?file when ?ns-str unavailable

  • Impl: Improve error message for logging calls with missing format pattern

  • [#207] Fix: Middleware couldn't influence automatic msg_ generation

  • [#199] Fix: Unintended elision warning output to cljs

  • [#206] Fix: Resolve slf4j-timbre issue with may-log? and namespace filtering

v4.7.4 / 2016 Aug 23

[com.taoensso/timbre "4.7.4"]

This is a minor hotfix release

  • Hotfix: [#188] Regression re: interleaving println appender
  • Hotfix: [#185] 3rd-party logstash appender deps issue (@robingl)

v4.7.0 / 2016 Jul 19

[com.taoensso/timbre "4.7.0"]
  • New: [#183] Add support for appender-level middleware

v4.6.0 / 2016 Jul 12

[com.taoensso/timbre "4.6.0"]

Non-breaking, minor feature release

  • New: [#176] Add New Relic appender (@polymeris)
  • Impl: [#177] Improvements to clojure.tools.logging integration (@MerelyAPseudonym)
  • Impl: [#179] Break hostname util into smaller components
  • Impl: [#174] Smarter (faster) spit appender path creation
  • Impl: Revert recent profiling changes, restore ^:dynamic (multi-threaded) behaviour

v4.5.1 / 2016 Jun 29

[com.taoensso/timbre "4.5.1"]

This is a minor hotfix release

  • Hotfix: address an issue for AOT/slf4j-timbre users.
  • Hotfix: missing type hint during timestamp generation.

v4.5.0 / 2016 Jun 26

[com.taoensso/timbre "4.5.0"]

This is a major, non-breaking release focused on refactoring and performance (esp. profiling performance)

  • BREAKING (rarely): ids given to timbre.profiling/pspy and timbre.profiling/profile must now always be compile-time consts (e.g. keywords).
  • DEPRECATED: Appender args - :?err_, :vargs_ (delays).
  • New: Appender args - :?err, :vargs, :output_.
  • New: Allow disabling ANSI colours with env var [#172 @ccfontes].
  • Impl: Minor logging perf improvements.
  • Impl: Major profiling perf improvements.

v4.4.0 / 2016 Jun 10

[com.taoensso/timbre "4.4.0"]

This is a major, non-breaking release, enjoy :-)

  • New: Add support for appender-level ns filters [#171]
  • New: Add 3rd-party logstash appender [#166 @dfrese]
  • New: Add PostgreSQL appender [#160 @yuliu-mdsol]
  • New: Add Slack appender [#159 @sbelak]
  • Fix: Make rotor appender thread-safe [#168 @mikesperber]
  • Fix: Don't cache cljs console appender's js/console [#165]
  • Fix: Fix surprising merge-config nil behaviour [#163]

v4.3.1 / 2016 Feb 28

  • Hotfix: had a removed var in the profiling macro
[com.taoensso/timbre "4.3.1"]

v4.3.0 / 2016 Feb 26

This is a major, non-breaking feature release

  • New: added 3rd-party gelf appender [#147 @davewo]
  • New: new :?hash-arg data key for use by custom data hash fns
  • New: low-level log! macro for use in tooling (slf4j-timbre, etc.)
  • New: allow compile-time log level to be set with system property [#151 @DomKM]
  • New: ClojureScript console logger docstring now incl. instructions for Chrome Blackboxing [#132 @danskarda]
  • New: include line numbers in default output for non-nested macros [#132]
  • Impln: appenders no longer need to worry about using force instead of @/deref
[com.taoensso/timbre "4.3.0"]

v4.2.1 / 2016 Jan 14

This is a non-breaking hotfix release

  • Fix: compile issue with Clojure 1.6 [#146 @nicferrier]
[com.taoensso/timbre "4.2.1"]

v4.2.0 / 2015 Dec 27

This is a non-breaking feature release

  • Change: switch default timestamp timezone from JVM default to UTC [#135]
  • Change: switch default timestamp pattern from yy-MMM-dd -> yy-MM-dd pattern (easier to sort) [#135]
  • New: swap-config! now supports &args [#137 @rsslldnphy]
  • New: rotor appender now creates necessary paths [#140 @dsapala]
  • New: faster (transducer-based) string joins with Clojure 1.7+ [#133]
  • New: records now get a human-readable string representation [#133]
  • Fix: application slowdown due to agents shutdown [#141 @ryfow]
[com.taoensso/timbre "4.2.0"]

v4.1.5 / 2015 Dec 27

This is a non-breaking hotfix release

[com.taoensso/timbre "4.1.5"]

v4.1.4 / 2015 Sep 30

This is a non-breaking hotfix release

  • Fix broken support for Clojure 1.5
[com.taoensso/timbre "4.1.4"]

v4.1.2 / 2015 Sep 26

This is a non-breaking hotfix release

  • Bring back deprecated logp macro from Timbre v3.x to ease back-compatibility [#67]
[com.taoensso/timbre "4.1.2"]

v4.1.1 / 2015 Aug 16

This is a non-breaking hotfix release

  • Fix: shutdown-agents shutdown hook can interfere with other important hooks [#127 @hadronzoo]
[com.taoensso/timbre "4.1.1"]

v4.1.0 / 2015 Aug 7

This is a non-breaking feature release

  • DEPRECATED: *context* val is now located under a :context key in appender's data map [#116 @mikesperber]
  • New: Added profiling/fnp macro
[com.taoensso/timbre "4.1.0"]

v4.0.2 / 2015 June 26

This is a minor, non-breaking bug fix release

  • Fix: broken v4 3rd-party appender: rotor [#105 #107 @yogthos]
  • Fix: broken tools.logging support [#110 @Guthur]
[com.taoensso/timbre "4.0.2"]

v4.0.1 / 2015 June 13

This is a minor, non-breaking feature release

  • New: add get-env, log-env macros [#103 @RickMoynihan]
[com.taoensso/timbre "4.0.1"]

v4.0.0 / 2015 June 10

This is a MAJOR update. Your custom appenders WILL BREAK. Your configuration MIGHT BREAK. Your call sites should be fine. I've updated all bundled appenders, but haven't tested any 3rd-party appenders.

  • New: full ClojureScript support, including a default js/console appender [#51]
  • New: support for compile-time ns filtering + elision (both Clj+Cljs)
  • New: support for MDC-like contexts [#42]
  • New: default :println appender has picked up a :stream opt [#49]
  • New: create necessary spit appender paths [#93]
  • New: full-power fn-level log1-fn util [#99]
  • New: added a reference appender example here
  • Implementation: modernized + simplified codebase
  • Implementation: significant performance improvements across the board
  • Implementation: use delays to avoid unnecessarily producing unused arg msgs [#71]
  • Fix: auto shutdown agents to prevent slow app shutdown [#61]
[com.taoensso/timbre "4.0.0"]

Migration checklist

  • Removed vars: timbre/config, timbre/level-atom, default-fmt-output-fn
  • The fn signature for set-config! has changed: [ks val] -> [config]
  • Middleware now apply left->right, not right->left
  • Renamed a default appender: :standard-out -> :println
  • Renamed config opts: :timestamp-pattern, :timestamp-locale -> :timestamp-opts {:pattern _ :locale _ :timezone _}
  • Renamed config opts: :whitelist -> :ns-whitelist, :blacklist -> :ns-blacklist
  • Appender :rate-limit format has changed: [ncalls ms] -> [[ncalls ms] <...>]
  • Renamed appender args: :ns->:?ns-str, :file->:?file, :line->:?line
  • Appender args now wrapped with delays: :throwable->:?err_, :message->:msg_, :timestamp->:timestamp_, :hostname->:hostname_, :args->:vargs_
  • Appender args removed: :output, :ap-config
  • Appender args added: :output-fn (fn [data]) -> string
  • stacktrace util fn signature changed: [throwable & [sep fonts] -> [err & [opts]]
  • All bundled 3rd-party appenders have moved to a new 3rd-party ns.
  • Bundled 3rd-party appender constructor signatures may have changed, please double check.

Apologies for the hassle in migrating. The changes made here all bring serious benefits (performance, simplicity, future extensibility, cross-platform support) and I'm confident that v4's the last time I'll need to touch the core design. Future work will be focused on polish, stability, and better+more bundled appenders.

/ Peter Taoussanis

v3.4.0 / 2015 Feb 16

This should be a non-breaking release that only bumps some old dependencies.

v3.3.1 / 2014 Sep 7

v3.3.0 / 2014 May 8

  • CHANGE: Update IRC appender to Timbre v3 style (@crisptrutski).
  • FIX [#47]: correctly format nanosecond profiling times.
  • FIX [#77]: profile ids now use correct (compile-time rather than runtime) ns prefix.
  • NEW: Add zmq appender (@angusiguess).
  • NEW [#75]: Make defnp support multi-arity functions (@maurolopes)

v3.2.1 / 2014 May 7

  • FIX: missing tools.reader upstream dependency (@ducky427).

v3.2.0 / 2014 May 6

  • FIX [#60]: defnp no longer generates an Eastwood warning (@ducky427).
  • CHANGE: Improved profiling memory efficiency (max memory use, was previously unbounded).
  • CHANGE: Profiling: make larger call numbers easier to read.
  • [#63]: NEW: Add support for thread-local configuration (@jameswarren).

v3.1.6 / 2014 Mar 16

  • FIX [#56]: defnp/p head retention issue (@kyptin).

v3.1.5 / 2014 Mar 15

  • FIX: profiling/p* was defined incorrectly (@kyptin).

v3.1.4 / 2014 Mar 13

  • NEW: Add profiling/p* macro.
  • CHANGE: Include p, p* in refer-timbre imports.
  • FIX: rotor appender not rotating (@iantruslove, @kurtharriger).

v3.1.3 / 2014 Mar 11

  • FIX: profiling id namespacing.

v3.1.1 / 2014 Feb 26

  • FIX: project.clj to prevent unnecessary downstream deps.

v3.1.0 / 2014 Feb 23

New

  • #47 Added taoensso.timbre.profiling/pspy* fn.

Changes

  • Made Carmine appender resistant to unexpected log entry thaw errors.
  • Moved most utils to external encore dependency.

Fixes

  • #50 Fixed rotor appender so that it respects :fmt-output-opts (kenrestivo).

v3.0.0 / 2014 Jan 30

Major update, non-breaking though users with custom appenders are encouraged to view the Changes section below. This version polishes up the codebase and general design. Tightened up a few aspects of how appenders and appender middleware work. Added a serializing Carmine appender (I use something similar in prod most of the time). Also finally added facilities for ad hoc (non-atom) logging configuration.

Overall quite happy with the state of Timbre as of this release. No major anticipated improvements/changes from here (modulo bugs).

New

  • Android appender, courtesy of AdamClements.
  • Rolling appender, courtesy of megayu.
  • Powerful, high-performance Carmine (Redis) appender: query-able, rotating serialized log entries by log level. See README or appender's docstring for details. (Recommended!)
  • Appender rate limits now specified in a more flexible format: [ncalls window-msecs], e.g. [1 2000] for 1 write / 2000 msecs.
  • Appender rate limits now also apply (at 1/4 ncalls) to any particular logging arguments in the same time window. This helps prevent a particular logging call from flooding the limiter and preventing other calls from getting through.
  • sometimes macro that executes body with given probability. Useful for sampled logging (e.g. email a report for 0.01% of user logins in production).
  • log and logf macros now take an optional logging config map as their first argument: (log :info "hello") => use @timbre/config, (log <config> :info "hello") => use <config>.
  • Appenders can now specify an optional :fmt-output-opts that'll get passed to fmt-output-fn for any special formatting requirements they may have (e.g. the Postal email appender provides an arg to suppress ANSI colors in stacktrace output).

Changes

  • EXPERIMENTAL: stacktraces now formatted with io.aviso/pretty rather than clj-stacktrace. Feedback on this (esp. coloring) welcome!
  • DEPRECATED: red, green, blue -> use color-str instead.
  • DEPRECATED: config prefix-fn has been replaced by the more flexible fmt-output-fn. Change is backwards compatible.
  • REMOVED: Per-appender :prefix option dropped - was unnecessary. If an appender wants custom output formatting, it can do so w/o using an in-config formatter.
  • Update refer-timbre (add profiling, logf variations, etc.).
  • DEPRECATED: atom logging level is now located in level-atom rather than config. Old in-config levels will be respected (i.e. change is backwards compatible).
  • DEPRECATED: appender rate limits are now specified as :rate-limit [ncalls window-msecs] rather than :limit-per-msecs ncalls. Change is backwards compatible.
  • Built-in appenders have been simplified using the new default-output appender arg.
  • Postal appender now generates a more useful subject in most cases.

Fixes

  • #38 Broken namespace filter (mlb-).
  • Messages are now generated after middleware has been applied, allowing better filtering performance and more intuitive behaviour (e.g. changes to args in middleware will now automatically percolate to message content).
  • (logf <level> "hello %s") was throwing due to lack of formatting args.

v2.6.3 → v2.7.1

  • Core: getHostName no longer runs on the main thread for better Android compatibility (AdamClements).
  • Profiling: added defnp macro.
  • Profiling: fix compile-time name creation: now runtime (aperiodic).
  • Appenders: added rotating file appender (mopemope).

v2.5.0 → v2.6.3

  • Perf: add support for a compile-time logging level environment variable (TIMBRE_LOG_LEVEL). See timbre/compile-time-level docstring for details.
  • Fix: use-timbre, str-println bugs.
  • Fix: Null Pointer Exception in clj-stacktrace (bitemyapp).

v2.4.1 → v2.5.0

  • Added :file and :line appender args.
  • Fixed make-timestamp-fn thread safety.

v2.3.4 → v2.4.1

  • Added refer-timbre for conveniently requireing standard timbre vars.
  • Postal appender now uses throwable as subject when no other args given.
  • log-errors, log-and-rethrow-errors now catch Throwable instead of Exception.

v2.2.0 → v2.3.4

  • Added with-log-level for thread-local logging levels: (with-level :trace (trace "This will log!")). Esp. useful for developing & unit tests, etc.

v2.1.2 → v2.2.0

  • Add socket, MongoDB appenders (thanks to emlyn).

v2.0.0 → v2.1.2

  • Added appenders: socket, IRC, MongoDB (CongoMongo). See README for details.
  • Add ex-data output to stacktrace fn.
  • Fixed a number of small bugs (mostly regressions from 1.x).

v1.6.0 → v2.0.0

  • Refactor for integration with tools.logging.

  • BREAKING: Drop Clojure 1.3 support.

  • DEPRECATED: :max-messages-per-msecs appender arg -> :limit-per-msecs.

  • BREAKING: :more appender arg has been dropped. :message arg is now a string of all arguments as joined by logp/logf. Appenders that need unjoined logging arguments (i.e. raw arguments as given to logp/logf) should use the new :log-args vector.

  • BREAKING: Stacktraces are no longer automatically generated at the log-macro level. Stacktraces are now left as an appender implementation detail. A :throwable appender argument has been added along with a stacktrace fn.