ZetaOffice / LibreOffice WebAssembly runtime
Unmodified binaries supplied by allotropia software GmbH
Downloaded from https://cdn.zetaoffice.net/zetaoffice_latest/ on 2026-10-15
Build: efaf0670b4d055f838a2849becb10f08aa06a257
UpdateID: ZetaOffice_24_en-US
Runtime language: en-US

Corresponding source and build components:
https://git.libreoffice.org/core/+/efaf0670b4d055f838a2849becb10f08aa06a257
https://git.libreoffice.org/core/+/refs/heads/distro/allotropia/zeta-24-2
https://github.com/allotropia/emscripten/commits/fixed-3.1.65
https://github.com/allotropia/qt5/tree/5.15.2%2Bwasm
https://github.com/allotropia/qtbase/tree/5.15.2%2Bwasm
https://github.com/allotropia/zetajs

License: Mozilla Public License 2.0 and constituent licenses.
LibreOffice source licensing notices are provided as LibreOffice-COPYING.txt,
LibreOffice-COPYING.LGPL.txt and LibreOffice-COPYING.MPL.txt.
The engine is an upstream 2025 build. This wrapper does not establish full
Microsoft Office feature parity or security support for the engine.

soffice.wasm and soffice.data are distributed in their upstream Brotli-encoded
representation and MUST be served with Content-Encoding: br. Other runtime
files have identity encoding. SHA256 hashes are recorded in runtime-lock.json
in the local source project.