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Iron Spring Software produces the Iron Spring PL/I compiler, the leading PL/I compiler for Linux.

Recent News

04 Apr, 2026 Iron Spring PL/I Compiler version 1.4.1 released
The major change for this release is that array expressions are now fully supported, with minor exceptions. The HEX builtin compatible with IBM's current PL/I compiler is now available. See the Programming Guide for a complete list of fixes and enhancements.

Sadly, we have made the decision to discontinue regular OS/2 support. The OS/2 compiler has been frozen at version 1.4.0. Any requests for support will be handled on an ad-hoc basis.

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