WolfXL Release Notes¶

This public summary is versioned with the documentation site.

v2.1.0 - 2026-08-15¶

Added native-first formula recalculation with dynamic-array formulas, cross-sheet dependency handling, calculation selection, dependency inspection, and typed diagnostics.
Added rendering APIs for workbook and worksheet PDF, sheet and range PNG or PDF, and chart PNG, PDF, JPEG, or SVG output.
Added bounded conversion workflows for XLSX, ODS, XLSB, XLS, PDF, PNG, HTML, TXT, CSV, and TSV, with explicit preservation and loss reporting.
Added immutable SDK diagnostics, capability inspection, binary load helpers, and explicit byte and stream save entry points.
Expanded formula-cache, style, chart, image, VBA-linked structure, and package-preservation behavior.
Moved WolfXL 2.1 distribution to the authenticated WolfXL package index.

See the 2.1 Overview and Upgrade Guide for the customer-facing version boundary and upgrade command.

Added Python Worksheet.schema() and classify_format() surfaces backed by wolfxl-core, plus cross-surface parity tests against the wolfxl schema CLI output.
Added the PyO3 wolfxl_core_bridge groundwork so Python callers can share classifier and schema inference logic with the Rust CLI/core path.
Added wolfxl-core 0.8.0 and wolfxl-cli 0.8.0 multi-format dispatch for .xlsx, .xls, .xlsb, .ods, and .csv.
Fixed explicit bottom-alignment reads so Excel-authored bottom alignment round-trips instead of collapsing to the default.