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NEWS.md

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log4r 0.4.4.9000

  • logfmt_log_layout() and json_log_layout() now use timestamps with microsecond precision, when possible.

  • debug(), info(), warn(), error(), and fatal() are deprecated in favour of the newly-exported log_debug(), log_info(), log_warn(), log_error(), and log_fatal(), respectively, though for performance reasons they do not yet issue deprecation warnings when used. These older functions tended to cause namespace issues with other packages or base R itself (#29).

  • Much of the pre-0.3.0 logger API is now formally deprecated and issues warnings when used. This includes create.logger() and logfile().

  • is.loglevel(), as.loglevel(), its alias loglevel(), and S3 generics for the "loglevel" class are now considered an implementation detail and are no longer part of the public API. They now issue deprecation warnings when used. Hopefully this makes way for adding a TRACE level and corresponding log_trace() function in the future. The obscure verbosity() function is also now deprecated, for similar reasons.

  • Errors have been migrated to cli::cli_abort() and are now much friendlier and actionable as a result.

log4r 0.4.4

  • Fixes failing unit tests for the HTTP appender.

  • JSON logs now have newlines, as intended (#30, @brooklynbagel).

  • Updates the R CMD check GitHub Action to a modern version (#27, @hadley).

  • Updates the project to testthat 3e (#26, @hadley).

  • Updates roxygen2 documentation to use Markdown syntax (#25, @hadley).

log4r 0.4.3

  • Fixes a potential memory corruption issue identified by rchk. Thanks to Tomas Kalibera for the associated patch.

log4r 0.4.2

  • Fixes a crash where logfmt_log_layout() would not correctly handle memory reallocation of the underlying buffer.

log4r 0.4.1

  • Fixes a crash when the logfmt_log_layout() is passed long fields that also need escaping.

  • logfmt_log_layout() now drops fields with missing names rather than writing NA, which matches the existing handling of other empty/unrepresentable field names.

log4r 0.4.0

  • Support for structured logging by passing additional named parameters to the existing logging functions. This includes two new structured-logging layouts for JSON and logfmt and a vignette on using them: "Structured Logging".

  • New built-in appenders for writing to the Unix system log, via HTTP, and to TCP connections, plus a vignette on using them: "Logging Beyond Local Files".

  • A new bare_log_layout() for when you don't want the level or timestamp handled automatically. This is most useful for the syslog_appender().

  • Log messages prior to the last entry are no longer lost when a file appender is created with append = FALSE. Instead, the file is truncated only when the appender is created, as intended. Fixes #17.

log4r 0.3.2 (2020-01-17)

  • Fixes an issue where appender functions did not evaluate all their arguments, leading to surprising behaviour in e.g. loops. Reported by Nicola Farina.

log4r 0.3.1 (2019-09-04)

  • There is now a vignette on logger performance.
  • Fixes a missing header file on older versions of R (<= 3.4). (#12)
  • Fixes an issue where default_log_layout() would not validate format strings correctly.

log4r 0.3.0 (2019-06-20)

  • A new system for configuring logging, via "Appenders" and "Layouts". See ?logger, ?appenders, and ?layouts for details.
  • Various fixes and performance improvements.
  • New maintainer: Aaron Jacobs ([email protected])

log4r 0.2 (2014-09-29)

  • Same as v0.1-5.

log4r 0.1-5 (2014-09-28)

  • New maintainer: Kirill Müller ([email protected])
  • Log levels are now objects of class "loglevel", access to the hidden constants, e.g., log4r:::DEBUG, is deprecated (#4).