Forum OpenACS Development: XOTcl 1.5.4 available

Posted by Gustaf Neumann on
Announcing XOTcl 1.5.4

We are pleased to announce the availability of XOTcl 1.5.4.
Originally, this release was planned as a small bug fix release. However, the total size of the (unified) diff between 1.5.3 and 1.5.4 is more than 5000 lines, mostly due to the varRefom changes (see first item below).

The current versions of xotcl-core and xowiki require XOTcl 1.4.0 (stable release). The next major release will require XOTcl 1.5.* (currently head version).

Major changes relative to 1.5.4 are:

  • provided compatibility with Tcl 8.5 (currently, this requires the verison of Tcl 8.5 from CVS head, including the changes for VarReform (For details, see

  • improved serializer (handling var traces for instance variables)

  • several small bug-fixes (e.g. fixing empty variable names, error message propagation for configure, fixing potential crashes, when namespaces are added to objects during <object> eval, etc.)

  • improved portablility for more platforms (more portable shell tests for e.g. FreeBSD)

  • extended regression test

For more details about the changes, please consult the ChangeLog and documentation.


General and more detailed information about XOTcl and its components can be found at