Bilig

vlibraries-v0.18.0 scope: libraries Feature

This release adds 1 notable feature for engineering teams evaluating rollout.

Published 18d Developer Productivity

View tool

✓ No known CVEs patched

Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

agent-tools ai-agents excel excel-formulas formula-engine formula-recalculation

+14 more

headless-spreadsheet mcp mcp-server model-context-protocol nodejs spreadsheet spreadsheet-automation spreadsheet-engine spreadsheet-formulas typescript workbook-api xlsx xlsx-formulas xlsx-recalculation

Summary

AI summary

Added a workbook fixture submission path for community contributions.

Changes in this release

Type	Severity	Summary	CVE
Feature	Medium	add workbook fixture submission path add workbook fixture submission path Source: llm_adapter@2026-05-21 Confidence: high	—
Performance
Performance	Medium	cache row-literal formula templates cache row-literal formula templates Source: llm_adapter@2026-05-21 Confidence: high	—
Performance	Medium	defer tail-append change detachment defer tail-append change detachment Source: llm_adapter@2026-05-21 Confidence: high	—
Performance	Medium	tighten direct scalar delta hot path tighten direct scalar delta hot path Source: llm_adapter@2026-05-21 Confidence: high	—
Performance	Medium	add primitive fresh cell attach path add primitive fresh cell attach path Source: llm_adapter@2026-05-21 Confidence: high	—
Performance	Medium	skip reverse edge scans for fresh formulas skip reverse edge scans for fresh formulas Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix
Bugfix	Medium	preserve ref errors in headless corpus preserve ref errors in headless corpus Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix	Medium	keep npm keyword metadata compressed keep npm keyword metadata compressed Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix	Medium	make lookup search modes authoritative make lookup search modes authoritative Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix	Medium	harden text scalar builtins harden text scalar builtins Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix	Medium	respect quoted text format literals respect quoted text format literals Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix	Medium	pad ragged stack arrays pad ragged stack arrays Source: llm_adapter@2026-05-21 Confidence: high	—

Full changelog

Libraries v0.18.0

Release type: minor
Previous libraries tag: libraries-v0.17.1
Manual override: no

Features

feat(community): add workbook fixture submission path (73798e44)

Fixes

perf(headless): cache row-literal formula templates (ddbfad3a)
fix(formula): preserve ref errors in headless corpus (06549cf5)
perf(headless): defer tail-append change detachment (cd286a0d)
perf(core): tighten direct scalar delta hot path (021d59eb)
perf(core): add primitive fresh cell attach path (caee68e0)
fix(headless): keep npm keyword metadata compressed (9a355e7e)
fix(formula): make lookup search modes authoritative (e84bdbbe)
fix(formula): harden text scalar builtins (bb1c0d6e)
fix(formula): respect quoted text format literals (372f66bb)
perf(core): skip reverse edge scans for fresh formulas (aad986ee)
fix(formula): pad ragged stack arrays (56aa2acb)

Internal runtime changes

docs(evidence): align documentation with current artifacts (96fd0a54)
docs(community): link workbook fixture discussion (2b1ec511)
docs(mcp): sharpen formula recalculation positioning (b7099696)
build(create): move starter to scoped npm package (21dcbb26)

View diff on GitHub

Weekly OSS security release digest.

The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.

No spam, unsubscribe anytime.

Share this release

Share on X Share on Bluesky

Track Bilig

Get notified when new releases ship.

About Bilig

All releases →