TclCaller is very useful in some cases, I cannot understand why it has been deprecated.
I strongly hope it will be restored.
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We've deprecated the TclCaller to minimize security risks associated with executing arbitrary user-authored scripts, aligning with industry best practices. We recommend migrating existing Tcl workflows to Python using Python's built-in Tcl interpreter via the tkinter module, which allows you to directly execute Tcl scripts from PythonCaller. Python offers enhanced security, better testing coverage, and broader functionality, making it a safer, more robust alternative. Existing workflows using TclCaller will continue to function, but new development should utilize PythonCaller with tkinter.