From 1.0.3 release notes are available from GitHub.

1.0.2 (2022/07/24)

#236: Supress a failing test - @jglick.
#238: EOL JSR 305 - @basil.
#240: Remove javaLevel - @basil.
#241: Update plugin parent POM and plugin BOM - @basil.

1.0.1 (2021/11/08)

JENKINS-66684 Pipeline syntax snippet generator fails with ansicolor plugin 1.0.0 - @tszmytka.

1.0.0 (2021/05/16)

#219: Set env var TERM also if a default color map is used - @tszmytka.
#226: Work around withMaven step not passing on log line metadata - @tszmytka.
#225: Work around logstash-plugin hiding some log lines from ansicolor - @tszmytka.
#227: Trigger tailed log output colorization also after Jenkins restart - @tszmytka.

0.7.5 (2021/01/31)

#217: Reflect functionality changes in tests - @tszmytka.

0.7.4 (2021/01/16)

#213: Remove tabular markup on new Jenkins core - @timja.
#214: Render logs correctly also in Jenkins versions greater than 2.260 - @tszmytka.

0.7.3 (2020/09/15)

#202/plugin/pull: Render logs correctly for long running jobs which generate lots of output - @tszmytka.
#203: Interaction with kubernetes plugin - @tszmytka.

0.7.2 (2020/08/01)

#197: Recognize timestamper's GlobalDecorator from extension list - @tszmytka.
#185: Render escape codes correctly in shortlog - @tszmytka.

0.7.1 (2020/07/13)

#188: Allow rendering more complex sgrs - @tszmytka.
#190: Don't leak formatting to metadata console lines - @tszmytka.
#195: Running on agent - @tszmytka.
#196: Interaction with timestamper - @tszmytka.

0.7.0 (2020/05/23)

#173: Fix for SGR Normal intensity not handled correctly - @tszmytka.
#176: Ensure extended color SGRs are recognized correctly - @tszmytka.
#156: Improve documentation - @tszmytka.
#181: Re-implement support for multiple ansiColor steps within one pipeline script - @tszmytka.

0.6.3 (2020/02/24)

#163: Use OpenJDK on Trusty Linux in Travis-CI - @dblock.
#163: Cache maven installation in Travis-CI - @dblock.
#165: Allow for specifying a global color map - @kcboschert.
#168: Fix for working with moving sequences and other invisible escape codes - @tszmytka
#169: Set up config and jenkins pipeline for testing/building the plugin on ci.jenkins.io - @tszmytka
#171: Display colors without reloading page - @jglick.

0.6.2 (2019/01/31)

#137: Allow escape sequences to span multiple lines and support color maps that set default background/foreground colors - @dwnusbaum.
#147: Handle redundant occurrences of SGR0 in build logs - @dwnusbaum.

0.6.1 (2019/01/04)

#139/#143: Prevent an IndexOutOfBoundsException from being thrown when two or more non-ASCII-compatible characters are present in colored text - @dwnusbaum.

0.6.0 (2018/11/14)

#132: Reworked implementation to add markup on display, not to the actual build log - @jglick.

0.5.3 (2018/11/06)

#107: Removing startup banner - @jglick.
#128: Restoring limited compatibility for coloration generated remotely by Pipeline builds on agents - @jglick.

0.5.2 (2017/08/17)

#111: Filter out escape sequence 'character set' select - @pmhahn.
#112: Filter out 'font select' escape sequence - @pmhahn.

0.5.1 (2017/08/10)

#100: Migrated hosting to github.com/jenkinsci - @JoeMerten & @dblock.
#101: Some exceptions during plugin install and following jenkins start - @JoeMerten.
#109: Set TERM environment variable inside of the ansiColor step when using Jenkins pipelines - @mkobit.

0.5.0 (2017/03/18)

#90: Added missing handling for ATTRIBUTE_CONCEAL_OFF - @JoeMerten.
#90: Added support for italic, strikeout, framed and overline attributes - @JoeMerten.
#92: Fixed high intensity colors for both foreground and background - @JoeMerten.
#94: Added support for negative (inverse colors) attribute - @JoeMerten.
#96: Added support for xterm 256 colors and 24 bit colors - @JoeMerten.
#98: Get rid of jansi version dependendy - @JoeMerten.

0.4.3 (2016/11/20)

#83: Added custom pipeline step - @cpoenisch.
#73: Promote pipeline configuration in README - @abrom.
#72: Support high intensity ANSI colors - @marlene01.
#66: Improved snippet generation - @qvicksilver.

0.4.2 (2015/10/29)

#24: Configurable default fg/bg colors - @ejelly.
#50: SimpleBuildWrapper implementation for use in workflows - @qvicksilver.

0.4.1 (2014/12/11)

#28: Added support for default text and background color sequences (resetting color changes) - @ejelly.
#32: Added a new color map, gnome-terminal - @javawizard.

0.4.0

#17, #26: Log text is not replaced with markup anymore, just supplemented - @ejelly.
#19: Actually remove escape sequences from log stream - @ejelly.
Properly nest HTML elements - @ejelly.
Added support for ANSI underline double - @ejelly.
Using commons-lang to HTML-encode color output - @dblock.
Failure to annotate console output will be logged as a warning - @dblock.

0.3.1

#10: Fix: broken colored console output from jobs that used a previous version of AnsiColor - @dblock.

0.3.0

Upgraded to JANSI 1.9 - @chirino.
#5: Fix: improper handling of default background and foreground color reset - @dblock.
#7: Fix: corrupt strings that contain non-ASCII characters - @takai.
#9: Added support for configuring color mapping - @harrah.

0.2.1

Upgraded to JANSI 1.7

0.2.0

Added support for concealed ANSI blocks that produced garbled output.

0.1.2

Official release that supports ANSI color, bold and underline.