LaTeX Tables with tabularray

Self-Evolving Skill: This skill improves through use. If instructions are wrong, parameters drifted, or a workaround was needed — fix this file immediately, don't defer. Only update for real, reproducible issues.

When to Use This Skill

Use this skill when:

• Creating tables with fixed-width columns
• Formatting complex table layouts
• Need precise column alignment
• Migrating from tabular/tabularx/longtable/booktabs
• Troubleshooting table overflow issues

Quick Reference

Why tabularray?

Modern LaTeX3 package (replaces old solutions):

• Fixed-width columns with proper alignment
• Clean, consistent syntax
• Replaces: tabular, tabularx, longtable, booktabs
• Better performance than legacy packages
• Part of TeX Live 2025

Installation

# Check if installed
kpsewhich tabularray.sty

# If not found, install:
sudo tlmgr install tabularray

Basic Usage

\documentclass{article}
\usepackage{tabularray}  % Modern table package

\begin{document}
% Simple table
\begin{tblr}{colspec={ccc}, hlines, vlines}
  Header 1 & Header 2 & Header 3 \\
  Data 1   & Data 2   & Data 3   \\
\end{tblr}
\end{document}

Quick Reference Card

% Minimal table
\begin{tblr}{colspec={ccc}}
  A & B & C \\
\end{tblr}

% With all lines
\begin{tblr}{colspec={ccc}, hlines, vlines}
  A & B & C \\
\end{tblr}

% Fixed widths
\begin{tblr}{colspec={Q[2cm] Q[3cm] Q[2cm]}, hlines}
  A & B & C \\
\end{tblr}

% Bold header
\begin{tblr}{
  colspec={ccc},
  row{1}={font=\bfseries}
}
  Header & Header & Header \\
  Data   & Data   & Data   \\
\end{tblr}

Best Practices

1. Use Q[width] for fixed columns instead of p{width}
2. Specify widths explicitly when text might overflow
3. Use X for flexible columns that should expand
4. Style headers with row{1} instead of manual formatting
5. Use colspec for column properties, not inline commands
6. Check package version: kpsewhich tabularray.sty (should be recent)

Reference Documentation

For detailed information, see:

• Table Patterns - 5 common table patterns with examples
• Column Specification - Alignment options and width control
• Lines and Borders - All lines, selective lines, thick lines
• Troubleshooting - Table too wide, text not wrapping, alignment issues
• Migration - Migrating from tabular and tabularx

Official Docs: Run texdoc tabularray for complete package documentation

See Also:

• Use latex/setup skill for installing tabularray package
• Use latex/build skill for compilation workflows

Troubleshooting

Post-Execution Reflection

After this skill completes, check before closing:

1. Did the command succeed? — If not, fix the instruction or error table that caused the failure.
2. Did parameters or output change? — If the underlying tool's interface drifted, update Usage examples and Parameters table to match.
3. Was a workaround needed? — If you had to improvise (different flags, extra steps), update this SKILL.md so the next invocation doesn't need the same workaround.

Only update if the issue is real and reproducible — not speculative.