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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 (atheriel@gmail.com)

log4r 0.2 (2014-09-29)

• Same as v0.1-5.

log4r 0.1-5 (2014-09-28)

• New maintainer: Kirill Müller (krlmlr+r@mailbox.org)
• Log levels are now objects of class "loglevel", access to the hidden constants, e.g., log4r:::DEBUG, is deprecated (#4).

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