There’s nothing more disappointing than an unmaintained plugin. Rest assured Simple Author Box is not one of those plugins

For the free version changelog please see our wp.org changelog.

Simple Author Box PRO changelog:
v5.19 - 2023-11-05

  • Fixed "Author job title font size" not getting saved
v5.18 - 2023-07-21
  • Fixed empty/non-existing guest author can't be removed from post
v5.17 - 2023-07-04
  • Fixed issue where Custom CSS would sometimes not be printed.
v5.16 - 2023-03-26
  • WordPress 6.2 update
v5.15 - 2023-03-07
  • AMP Compatibility Fix
v5.14 - 2022-02-09
  • Minor bug fixes
v5.13 - 2021-09-21
  • 9 New Themes
v5.12 - 2021-09-17
  • Tweaks and minor fixes
v5.11 - 2021-08-24
  • Added Patreon Social Icon
v5.10 - 2021-08-10
  • Fixed social icons being hidden for Guest Authors
v5.00 - 2021-07-20
  • Various tweaks and bug fixes
v2.50 - 2021-06-13
  • started using the new dashboard to handle licenses
v5.26 - 2020-03-12
  • Dashboard communcation fixes
  • Bug Fixes
v5.24 - 2020-04-19
  • Better auto-redirect handling
v5.17 - 2020-03-12
  • Better timezones handling
  • Minor bug fixes
v5.15 - 2020-02-05
  • Added White-label option for Agency Licenses
  • Tweaks and bug fixes
v5.13 - 2020-01-05
  • Tweaks and Bug Fixes
v5.12 - 2019-12-30
  • CSS Bug Fix
v5.11 - 2019-12-18
  • First official pro release
v5.01 - 2019-12-10
  • Test beta update
v5.00 - 2019-12-01
  • First public beta release