XCX
XCX.
The Pragmatic Backend Language
SPEC 4.2.0
DEV 05.2026

SYSTEM_ARCHIVE

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LAST_REF: 07.2026

01_RELEASES

Historical and current releases of the XCX ecosystem.

VERSION STATUS ARTIFACT
4.2.0 ACTIVE xcx-setup-v4.2.exe | Linux xcx-installer-linux-v4.2.tar.gz | xcx-installer-macos-v4.2.tar.gz
4.1.0 ARCHIVED xcx-setup-v4.1.exe | Linux xcx-installer-linux-v4.1.tar.gz
4.0.0 ARCHIVED xcx-setup-v4.0.exe | Linux xcx-installer-linux-v4.0.tar.gz
3.1.0 ARCHIVED xcx-setup-v3.1.exe | Linux xcx-installer-linux-v3.1.tar.gz
3.0.0 ARCHIVED xcx-setup-v3.0.exe
2.2.0 ARCHIVED XCX_Ecosystem_v2.2.0.zip
2.1.0 ARCHIVED XCX_Ecosystem_v2.1.0.zip
2.0.0 ARCHIVED XCX_Ecosystem_v2.0.0.zip

02_DOCUMENTATION_ARCHIVES

Historical snapshots of the language specification and technical manuals.

VERSION REFERENCE ARCHIVE
4.2.0 CURRENT_SPEC xcx4.2_full_documentation.zip
4.1.0 LEGACY_SPEC xcx4.1_full_documentation.zip
4.0.0 LEGACY_SPEC xcx4.0_full_documentation.zip
3.1.0 LEGACY_SPEC xcx3.1_full_documentation.zip
3.0.0 LEGACY_SPEC xcx3.0_full_documentation.zip
2.2.0 LEGACY_SPEC xcx2.2_full_documentation.zip
1.2.0 HISTORICAL xcx1.2_full_documentation.zip
QSC PROTO_XCX qsc_documentation.zip