Tcldot in 2.30.1

I am new to this form, but am a long time Graphviz user, mostly using Graphviz via the Tcldot package.
The company I work for has several internal tools that use Graphviz/Tcldot. Over time many of the users have migrated to MacOsX Mountain Lion, which means that the only available Graphviz package for easy download from Graphviz.org is 2.30.1.

However, the migration of the Graphviz code from 2.28 to 2.30.1 has been far from smooth. I have created several bugs that are readily visible to even the minimal usage of the code;
http://www.graphviz.org/mantisbt/view.php?id=2278
http://www.graphviz.org/mantisbt/view.php?id=2277
http://www.graphviz.org/mantisbt/view.php?id=2276
http://www.graphviz.org/mantisbt/view.php?id=2275

I have managed to work around most of these to get the tools partially running with 2.30.1, and may be able to work around the remaining issues.
However, I am gravely concerned that Tcldot is not being maintained.

When reading threads like these:
http://www.graphviz.org/content/new-base-graph-library
it would seem that Tcldot is an afterthought in the Graphviz community.

I know that Graphviz is open source and maintained by volunteers. However, my question is: Should I be migrating away from Tcldot for graph visualization and interaction within tcl? If so, what options do I have?

Thank you,

Andrew Stein

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