Bilig

vlibraries-v0.52.0 scope: libraries Feature

This release adds 3 notable features for engineering teams evaluating rollout.

Published 12d Developer Productivity

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✓ No known CVEs patched

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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

ReleasePort's take

Light signal

editorial:auto 11d

Libraries v0.52.0 introduces several enhancements and fixes for the workbook feature, headless mode performance improvements, and bug corrections in Excel import and grid components.

Why it matters: Addresses data preservation during XLSX imports (24412) and boosts headless row‑insert throughput (24413), benefiting workbooks and high‑throughput services.

Summary

AI summary

Updates Libraries v0.52.0, headless, and Internal runtime changes across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Feature	Medium	Adds action input guards for workbook feature. Adds action input guards for workbook feature. Source: llm_adapter@2026-05-23 Confidence: low	—
Feature	Medium	Includes runtime requirements in model verification for workbook feature. Includes runtime requirements in model verification for workbook feature. Source: llm_adapter@2026-05-23 Confidence: low	—
Performance
Performance	Medium	Speeds up direct aggregate row inserts in headless mode. Speeds up direct aggregate row inserts in headless mode. Source: llm_adapter@2026-05-23 Confidence: high	—
Performance	Medium	Preserves values when deleting simple columns in headless mode. Preserves values when deleting simple columns in headless mode. Source: llm_adapter@2026-05-23 Confidence: high	—
Performance	Medium	Composes deferred column inserts in headless mode. Composes deferred column inserts in headless mode. Source: llm_adapter@2026-05-23 Confidence: high	—
Performance	Medium	Keeps blank axis inserts sparse in headless mode. Keeps blank axis inserts sparse in headless mode. Source: llm_adapter@2026-05-23 Confidence: high	—
Bugfix	Medium	Preserves explicit numeric XLSX cells during Excel import. Preserves explicit numeric XLSX cells during Excel import. Source: llm_adapter@2026-05-23 Confidence: high	—
Bugfix	Medium	Rejects stale visible scene state in grid component. Rejects stale visible scene state in grid component. Source: llm_adapter@2026-05-23 Confidence: high	—
Refactor	Medium	Adds framework tool chooser documentation for agent. Adds framework tool chooser documentation for agent. Source: llm_adapter@2026-05-23 Confidence: low	—
Other	Medium	Tightens same-corpus grid proof test in UI suite. Tightens same-corpus grid proof test in UI suite. Source: llm_adapter@2026-05-23 Confidence: low	—

Full changelog

Libraries v0.52.0

Release type: minor
Previous libraries tag: libraries-v0.51.5
Manual override: no

Features

feat(workbook): expose action input guards (390bd5e6)
feat(workbook): include runtime requirements in model verification (ea3fdc66)

Fixes

fix(excel-import): preserve explicit numeric xlsx cells (99cb4cec)
perf(headless): speed up direct aggregate row inserts (baaeac11)
perf(headless): preserve simple column delete values (fb32f675)
perf(headless): compose deferred column inserts (79773412)
perf(headless): keep blank axis inserts sparse (038c7c72)
fix(grid): reject stale visible scene state (9223d224)

Internal runtime changes

docs(agent): add framework tool chooser (c286e060)
test(ui): tighten same-corpus grid proof (75d8aad7)

View diff on GitHub

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