Release Notes

ATC 2.1.8

Release date: 25 August 2026.

ATC 2.1.8 is the current public documentation target. ATC 2.1.7 remains the previous documented public release and is preserved in historical notes where relevant.

2.1.8 Highlights

• Solver correctness.
• Settings robustness.
• Cross-version x86 compatibility.
• Precision-mode persistence.
• Equation and polynomial fixes.
• Broader regression coverage.
• Windows console behavior.
• Memory improvements.
• Command-line editing.
• Clearer verbose-resolution output.

Solver and Polynomial Work

This refresh highlights correctness work around supported equation solving, textual polynomial handling, roots-to-polynomial workflows, and rational-cancellation paths used by documented commands.

Precision and Settings

ATC 2.1.8 documents persistent precision-mode behavior, settings robustness, and clearer handling of verbose-resolution output.

Console and Automation

The release notes emphasize command-line editing, history navigation, Windows console behavior, TXT automation performance, and memory improvements for repeated workflows.

Previous Release

ATC 2.1.7 remains relevant as historical release documentation. Older references are retained only where they describe prior release history.