10 / 07 / 1994  -  v0.43  (first released version)
  Rule format RUL1.

10 / 11 / 1994  -  v1.05  (not released)
  Rule format RUL2.
  2 rule files: Tetrhex and Hexcolumns.
  First message file (test).
  Documentation: v0.43.

27 / 11 / 1994  -  v1.15  (uploaded to ftp.cnam.fr on 06/12/1994)
  Rule format RUL3.
  1 rule file: Tetrhex.
  Documentation: v0.43.

17 / 02 / 1995  -  v1.20  (uploaded to ftp.cnam.fr on 17/02/1995)
  Rule file compiler (distributed only with the registered version).
  2 rule files (with a help text) v1.01: Tetrhex and Hexcolumns (bugs fixed).
  Documentation: v0.43.

06 / 03 / 1995  -  v1.23b  (uploaded to ftp.cnam.fr on 06/03/1995)
  Note: as of this version, the package version is composed of TETRHEX
        version and a letter to distinguish between different package
        versions having the same TETRHEX version.
  First released version with new documentation.
  New: -gdos and -vl options.

07 / 03 / 1995  -  v1.23c  (uploaded to atari.archive.umich.edu on 07/03/1995)
  More documentation.

11 / 03 / 1995  -  v1.23d
  Full documentation in French.

14 / 03 / 1995  -  v1.24a  (not released)
  Stack overflow checked.
  Rule file: Tetrhex 1.02 (bug fixed).

19 / 03 / 1995  -  v1.25a
  New rule file: Tet'light 1.02.

30 / 03 / 1995  -  v1.26a
  New: date and time display.

03 / 04 / 1995  -  v1.28a
  Better bitmap font display.
  New message types (registered version).

06 / 05 / 1995  -  v1.29a
  Bug fixed.
  New message types (registered version).