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ANNOUNCE: oratcl v9.1 released

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Hello everyone,

I am pleased to announce the release of oratcl v9.1.

oratcl 9.1 is a hardening and concurrency release, tested against Tcl 
9.1a2. The public command API is fully backward-compatible with 9.0.

Highlights:

- Persistent thread pool for async execution (replaces per-call thread 
spawning)
- Shared per-connection operation gate serializing all ODPI-C/OCI calls 
across the owner, adopted wrappers, and async workers
- Refcounted cross-interpreter connection adoption with behavioral 
policy sync and pool lifetime management
- Snapshot-based orafetch architecture — callbacks via -command can 
safely issue other database operations without deadlock
- failovercallback now settable/clearable at any time via oraconfig
- Per-statement prefetchrows override
- All commands also registered under ::oratcl::* namespace
- Comprehensive integer overflow protection on all narrowing conversions
- Five new regression/stress test files covering fetch reentrancy, 
interp-scoped async cancellation, pool lifetime, adoption policy, and 
sustained multi-interp load
- oratcl_SafeInit now correctly rejects loading into safe interpreters

Compatibility:

This package supports only Tcl 9.0+. For previous versions you may want 
to use

-  https://sourceforge.net/projects/oratcl

Project Homepage:

     https://github.com/bagnongithub/oratcl

Documentation:

     https://bagnongithub.github.io/oratcl

License:

     MIT License

Feedback/Bug Reports:

Feedback is welcome on the issue tracker 
https://github.com/bagnongithub/oratcl/issues

Best regards,

Miguel Bañón

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ANNOUNCE: oratcl v9.1 released bagnon <miguel@bagnon.com> - 2026-04-13 20:39 +0200

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