### Themes and Styles for tabularray Tables

Source: https://context7.com/texackers/tabularray/llms.txt

Explains how to define and apply custom themes using \NewTblrTheme and customize template styles with \SetTblrStyle for consistent table formatting. Includes an example of customizing continuation text.

```latex
% Define a custom theme
\NewTblrTheme{professional}{
  \SetTblrStyle{firsthead}{font=\bfseries\large}
  \SetTblrStyle{firstfoot}{fg=gray5}
  \SetTblrStyle{middlefoot}{\itshape}
  \SetTblrStyle{caption-tag}{fg=blue3, font=\bfseries}
  \SetTblrStyle{caption-sep}{fg=blue3}
}

% Apply theme to a long table
\begin{longtblr}[
  theme = professional,
  caption = {Professional Table},
  label = {tbl:pro},
]{
  colspec = {lXr},
  rowhead = 1,
}
\toprule
  ID & Description & Value \\
\midrule
  1  & First item  & 100   \\
  2  & Second item & 200   \\
\bottomrule
\end{longtblr}

% Customize continuation text templates
\DeclareTblrTemplate{contfoot-text}{custom}{Table continues on next page...}
\SetTblrTemplate{contfoot-text}{custom}
```

--------------------------------

### Compile Test Files

Source: https://github.com/texackers/tabularray/blob/main/CONTRIBUTING.md

Execute this command after editing the source code to compile and check the test files. Ensure l3build and ppmcheckpdf are installed.

```bash
l3build check
```

--------------------------------

### Configure Inner Specifications for Table Formatting

Source: https://context7.com/texackers/tabularray/llms.txt

Provides a comprehensive example of inner specifications controlling column and row formatting, global spacing, span algorithms, line styling, and cell/row/column styling. These are placed in the mandatory argument of the \texttt{tblr} environment.

```latex
\begin{tblr}{
  % Column and row specifications
  colspec = {lcr},
  rowspec = {|Q[t]|Q[m]|Q[b]|},
  width = \linewidth,

  % Global spacing
  rowsep = 4pt,
  colsep = 8pt,
  rulesep = 2pt,
  stretch = 1.2,

  % Span algorithms
  hspan = even,    % default, even, or minimal
  vspan = even,    % default or even

  % Table baseline
  baseline = m,    % t, T, m, b, B, or row number

  % Line styling
  hlines,
  vlines,
  hline{1,Z} = {2pt},
  vline{1} = {dashed},

  % Cell, row, column styling
  cells = {c},
  rows = {bg=white},
  columns = {font=\sffamily},
  row{1} = {bg=blue7, fg=white},
  column{1} = {l, wd=3cm},
  cell{2}{3} = {r=2,c=2}{c, bg=red7},
}
  % Table content here
\end{tblr}
```

--------------------------------

### Blank Page After Section

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Corrects an issue causing a blank page when a `\section` command starts at the top of a page.

```latex
Fix blank page after `\section` starts at the top of a page (#42)
```

--------------------------------

### Custom Environments and Column Types in tabularray

Source: https://context7.com/texackers/tabularray/llms.txt

Demonstrates creating reusable table environments with \NewTblrEnviron, \SetTblrInner, and \SetTblrOuter. Also shows defining custom column types using \NewTblrColumnType.

```latex
% Define a custom table environment
\NewTblrEnviron{mytblr}
\SetTblrInner[mytblr]{
  hlines = {gray5},
  vlines = {gray5},
  row{1} = {bg=blue7, fg=white, font=\bfseries},
  row{2-Z} = {bg=blue9},
}
\SetTblrOuter[mytblr]{
  long,
  label = none,
}

% Use the custom environment
\begin{mytblr}{XXX}
  Header 1 & Header 2 & Header 3 \\
  Data A   & Data B   & Data C   \\
  Data D   & Data E   & Data F   \\
\end{mytblr}

% Define custom column types
\NewTblrColumnType{Y}[1][]{Q[co=1,c,#1]}
\NewTblrColumnType{Z}[1][6em]{Q[c,wd=#1]}

% Use custom column types
\begin{tblr}{|Y|Y|Z[8em]|}
\hline
  Centered X & Centered X & Fixed 8em \\
\hline
\end{tblr}
```

--------------------------------

### Basic and Styled `tblr` Environment

Source: https://context7.com/texackers/tabularray/llms.txt

Demonstrates the basic `tblr` environment with automatic spacing and a styled version using key-value specifications for column types, width, and row-specific formatting.

```latex
% Basic table with automatic spacing
\begin{tblr}{lccr}
\hline
 Alpha   & Beta  & Gamma  & Delta \\
\hline
 Epsilon & Zeta  & Eta    & Theta \\
\hline
 Iota    & Kappa & Lambda & Mu    \\
\hline
\end{tblr}
```

```latex
% Table with key-value styling
\begin{tblr}{
  colspec = {|X[2,l]|X[3,l]|X[-1,r]|X[r]|},
  width = 0.8\linewidth,
  hlines,
  row{1} = {bg=azure3, fg=white, font=\bfseries},
  row{odd} = {bg=azure8},
}
  Header 1 & Header 2 & Header 3 & Header 4 \\
  Alpha    & Beta     & Gamma    & Delta    \\
  Epsilon  & Zeta     & Eta      & Theta    \\
\end{tblr}
```

--------------------------------

### Hlines and Vlines Configuration

Source: https://context7.com/texackers/tabularray/llms.txt

Shows how to configure horizontal and vertical lines using the `hlines` and `vlines` options for global styling, and selective styling for specific lines.

```latex
% Using hlines and vlines options
\begin{tblr}{
  hlines = {1pt, blue3},
  vlines = {red3, dashed},
}
  Alpha   & Beta  & Gamma \\
  Epsilon & Zeta  & Eta   \\
\end{tblr}
```

```latex
% Selective line styling
\begin{tblr}{
  hline{1,Z} = {2pt, purple3},
  hline{2} = {1pt, solid},
  hline{3-Y} = {dashed},
  vline{1,5} = {3-4}{dotted},
}
  Alpha   & Beta  & Gamma   & Delta \\
  Epsilon & Zeta  & Eta     & Theta \\
  Iota    & Kappa & Lambda  & Mu    \\
  Nu      & Xi    & Omicron & Pi    \\
\end{tblr}
```

```latex
% Traditional commands with options
\begin{tblr}{llll}
\hline[2pt,blue5]
 Alpha   & Beta  & Gamma  & Delta \\
\hline[dashed]
 Epsilon & Zeta  & Eta    & Theta \\
\cline[dotted]{1-3}
 Iota    & Kappa & Lambda & Mu    \\
\hline[2pt,blue5]
\end{tblr}
```

--------------------------------

### Run Benchmark Script

Source: https://github.com/texackers/tabularray/blob/main/benchmarks/README.md

Execute the benchmark script with a specified TeX Live version. The output is saved to a file named `output-<tlver>.txt`.

```bash
lua benchmark.lua <tlver>
```

--------------------------------

### Cell/Row/Column Options

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Utilize `preto`, `appto`, and `cmd` options for cells, rows, or columns to prepend, append, or execute commands within these scopes.

```latex
cells={preto=\ttfamily, appto=\large}
```

```latex
rows={cmd=\hline}
```

```latex
columns={cmd=\bfseries}
```

--------------------------------

### Row and Column Styling

Source: https://context7.com/texackers/tabularray/llms.txt

Demonstrates styling specific rows and columns using `row{i}` and `column{j}` keys for background, foreground, font, width, and alignment.

```latex
% Row styling with colors and fonts
\begin{tblr}{
  hlines = {1pt, white},
  row{1} = {bg=azure3, fg=white, font=\bfseries\sffamily},
  row{odd} = {bg=azure8},
  row{even} = {bg=gray8},
}
  Header 1 & Header 2 & Header 3 \\
  Alpha    & Beta     & Gamma    \\
  Delta    & Epsilon  & Zeta     \\
  Eta      & Theta    & Iota     \\
\end{tblr}
```

```latex
% Column styling with width and alignment
\begin{tblr}{
  colspec = {Q[l]Q[c]Q[r]},
  column{1} = {bg=purple7, wd=3cm},
  column{2} = {bg=yellow7},
  column{3} = {bg=olive7, font=\itshape},
}
  Left     & Center & Right   \\
  Alpha    & Beta   & Gamma   \\
  Epsilon  & Zeta   & Eta     \\
\end{tblr}
```

```latex
% Math mode columns
$\begin{tblr}{
  column{1} = {mode=text},
  column{3} = {mode=dmath},
}
\hline
  Text    & \frac{1}{2} & \frac{1}{2} \\
  More    & \frac{3}{4} & \frac{3}{4} \\
\hline
\end{tblr}$
```

--------------------------------

### Avoid Warnings

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Fixes a problem that caused 'need 0.0pt more!' warnings during compilation, leading to cleaner build logs.

```latex
% No specific code example, but a fix applied to the package internals.
```

--------------------------------

### Extendable X Columns in tabularray

Source: https://context7.com/texackers/tabularray/llms.txt

Demonstrates the use of 'X' column types for automatic width expansion with configurable coefficients for proportional distribution. Negative coefficients can be used to set minimum widths.

```latex
% Basic X columns with coefficients
\begin{tblr}{|X[2,l]|X[3,l]|X[1,r]|X[r]|}
\hline
 Coefficient 2 & Coefficient 3 & Coefficient 1 & Default (1) \\
\hline
\end{tblr}

% Setting table width with X columns
\begin{tblr}{
  width = 0.85\linewidth,
  colspec = {|X[l]|X[c]|X[r]|},
  hlines,
}
  Left aligned & Centered & Right aligned \\
  Alpha Beta   & Gamma    & Delta Epsilon \\
\end{tblr}

% Negative coefficients for minimum width
\begin{tblr}{|X[2,l]|X[3,l]|X[-1,r]|X[r]|}
\hline
 Wide & Wider & Narrow & Normal \\
\hline
\end{tblr}
```

--------------------------------

### Define New Table Environment

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Create custom `tblr` environments with `\NewTblrEnviron`, allowing for specialized table types tailored to specific needs.

```latex
\NewTblrEnviron{env_name}[options]{...}
```

--------------------------------

### Template Management Commands

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Provides commands to define, set, use, and expand table templates, offering granular control over table structure and appearance.

```latex
\DefTblrTemplate{name}{key}{content}
```

```latex
\SetTblrTemplate{name}{key}{content}
```

```latex
\UseTblrTemplate{name}{key}
```

```latex
\ExpTblrTemplate{name}{key}
```

--------------------------------

### Compare Test Output Checksums

Source: https://github.com/texackers/tabularray/blob/main/CONTRIBUTING.md

Run this command after compiling test files to compare the MD5 checksums of the generated test outputs. This helps ensure code changes have not altered expected results.

```bash
texlua buildend.lua
```

--------------------------------

### Define and Use Functional Library for Dynamic Row Generation

Source: https://context7.com/texackers/tabularray/llms.txt

Shows how to define a function \makeRow to dynamically generate table rows and use it within a table specification with the \texttt{evaluate} option. Ensure \IgnoreSpacesOn and \IgnoreSpacesOff are used around function definitions.

```latex
% Generate table content dynamically
\IgnoreSpacesOn
\prgNewFunction \makeRow {mm} {
  \prgReturn {#1 & #2 \\}
}
\IgnoreSpacesOff

\begin{tblr}[evaluate=\makeRow]{hlines}
  Header & Value \\
  \makeRow{Alpha}{100}
  \makeRow{Beta}{200}
  \makeRow{Gamma}{300}
\end{tblr}
```

--------------------------------

### Configure Outer Specifications for Table-Level Settings

Source: https://context7.com/texackers/tabularray/llms.txt

Demonstrates outer specifications for table-level settings such as long table behavior, captions, notes, and macro expansion. These are placed in the optional argument of the \texttt{tblr} environment.

```latex
\begin{tblr}[
  % Table type
  long,              % or tall for tall tables

  % Baseline (alternative location)
  baseline = T,

  % Caption and label
  caption = {Table Caption Text},
  entry = {Short caption for LoT},
  label = {tbl:example},

  % Spacing around table
  presep = 12pt,
  postsep = 12pt,
  headsep = 6pt,
  footsep = 6pt,

  % Theme
  theme = mytheme,

  % Footnotes and remarks
  note{a} = {First note text.},
  note{*} = {Starred note.},
  remark{Note} = {General remark text.},
  remark{Source} = {Data source information.},

  % Macro expansion
  expand = \myMacro,
  expand+ = \anotherMacro,
]{colspec}
  % Table content
\end{tblr}
```

--------------------------------

### Caption and Capcont Templates

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Provides simple templates for table captions and continuation captions (`capcont`).

```latex
Add simple template for caption and capcont (#70)
```

--------------------------------

### Use Table Libraries

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Load external libraries like `booktabs`, `diagbox`, and `siunitx` using `\UseTblrLibrary` to extend tabularray's functionality.

```latex
\UseTblrLibrary{booktabs, siunitx}
```

--------------------------------

### Amsmath Library Array Environments

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Defines array-like environments such as `+array`, `+cases`, and `+pmatrix` using the `amsmath` library.

```latex
Define `+array`, `+cases`, `+pmatrix` etc with `amsmath` library (#87)
```

--------------------------------

### Generate Manual TeX File

Source: https://github.com/texackers/tabularray/blob/main/CONTRIBUTING.md

Run this command after editing subfiles in the manual folder to regenerate the main manual TeX file.

```bash
texlua manual.lua
```

--------------------------------

### New Border Interfaces

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Introduces `hborder` and `vborder` interfaces for more granular control over horizontal and vertical borders.

```latex
Add new interfaces `hborder` and `vborder` (#183)
```

--------------------------------

### Long Tables with longtblr

Source: https://context7.com/texackers/tabularray/llms.txt

Illustrates creating tables that span multiple pages using the 'longtblr' environment. Supports headers, footers, captions, footnotes, and continuation text with various styling options.

```latex
\begin{longtblr}[
  caption = {A Long Table Example},
  label = {tbl:long},
  note{a} = {First footnote.},
  note{b} = {Second footnote.},
  remark{Note} = {General notes about the table.},
]{
  colspec = {XXX},
  width = 0.9\linewidth,
  rowhead = 1,
  rowfoot = 1,
  row{1} = {bg=purple7, fg=white, font=\bfseries},
  row{Z} = {bg=blue7, fg=white},
  row{odd} = {bg=gray9},
  row{even} = {bg=brown9},
}
\hline
 Header A & Header B & Header C \\
\hline
 Data 1   & Data 2\TblrNote{a} & Data 3 \\
\hline
 Data 4   & Data 5\TblrNote{b} & Data 6 \\
\hline
 % ... more rows ...
 Footer A & Footer B & Footer C \\
\hline
\end{longtblr}
```

--------------------------------

### Normalize New/Def Commands

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Standardizes the behavior of `\NewSomeThing` and `\DefSomeThing` commands for better consistency.

```latex
Normalize `\NewSomeThing` and `\DefSomeThing` commands (#115)
```

--------------------------------

### Support \verb Command

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Enable support for the \verb command within tabularray tables using the 'verb' option. This allows for verbatim text display.

```latex
\SetTblrStyle[options]{verb}
```

--------------------------------

### Set Inner Specifications

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Replace `\SetTblrDefault` with `\SetTblrInner` for setting inner specifications of tables, offering a more consistent API for internal configurations.

```latex
\SetTblrInner[tblr]{key=value}
```

--------------------------------

### Counter Library for LaTeX Counters

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Introduces the `counter` library, enabling manipulation and usage of LaTeX counters within tables.

```latex
Add `counter` library for manipulating LaTeX counters (#89)
```

--------------------------------

### Long Table Environment

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Introduces the `longtblr` environment for creating tables that span multiple pages, with full support for headers, footers, and captions.

```latex
\begin{longtblr}{...}
  ...
\end{longtblr}
```

--------------------------------

### Booktabs Library for Publication-Quality Tables

Source: https://context7.com/texackers/tabularray/llms.txt

Shows how to use the 'booktabs' library for professional table rules including \toprule, \midrule, \bottomrule, and \cmidrule. Supports trimming rules for better visual appearance.

```latex
\UseTblrLibrary{booktabs}

% Basic booktabs style
\begin{tblr}{llll}
\toprule
 Alpha   & Beta  & Gamma   & Delta \\
\midrule
 Epsilon & Zeta  & Eta     & Theta \\
 Iota    & Kappa & Lambda  & Mu    \\ 
\bottomrule
\end{tblr}

% With customized rules and cmidrule trimming
\begin{booktabs}{
  colspec = lcccc,
  cell{1}{1} = {r=2}{},
  cell{1}{2,4} = {c=2}{},
}
\toprule
  Sample & Group I &   & Group II &   \\
\cmidrule[lr]{2-3} \cmidrule[lr]{4-5}
         & A & B & C & D \\
\midrule
  S1     & 5 & 6 & 7 & 8 \\
  S2     & 6 & 7 & 8 & 5 \\
\bottomrule
\end{booktabs}
```

--------------------------------

### Restore Table Commands

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Ensures table commands are correctly restored before building cells, preventing potential conflicts.

```latex
Restore table commands before building cells (#31)
```

--------------------------------

### Linewidth Graphics in X Columns

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Fixes a bug where `\linewidth` graphics were not included correctly in `X` columns.

```latex
Fix bug in including `\linewidth` graphics in `X` columns (#80)
```

--------------------------------

### Input External File Content into Table

Source: https://context7.com/texackers/tabularray/llms.txt

Illustrates using the \texttt{evaluate=\fileInput} option to include content from an external file (e.g., data.tmp) directly into a table. This is useful for populating tables with data from separate sources.

```latex
% Input external file content
\begin{tblr}[evaluate=\fileInput]{hlines}
  Manual Row & 1 \\
  \fileInput{data.tmp}
  Manual Row & 2 \\
\end{tblr}
```

--------------------------------

### Table Commands for CSV Simple

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Provides table commands compatible with T-F-S/csvsimple, enabling easier integration of CSV data into tables.

```latex
\csvTblr{file.csv}
```

--------------------------------

### Set Outer Specifications

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Configure outer specifications of tables using `\SetTblrOuter`, controlling aspects like borders and spacing that affect the table's external appearance.

```latex
\SetTblrOuter[tblr]{key=value}
```

--------------------------------

### Define New Table Theme

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Create new themes for long tables using `\NewTblrTheme`, promoting reusability and consistency in table design across documents.

```latex
\NewTblrTheme{theme_name}{...}
```

--------------------------------

### Set Table Style

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Use `\SetTblrStyle` for setting table properties like color, font, alignment, and indentation, enabling comprehensive style customization.

```latex
\SetTblrStyle{color=blue, font=\bfseries, ...}
```

--------------------------------

### Add FG and Font Options

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Introduces `fg` (foreground color) and `font` options for further customization of table elements' appearance.

```latex
fg=red, font=\itshape
```

--------------------------------

### Functional Programming Library

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Introduces a functional programming library for advanced table manipulation. Use `evaluate` for file input and table building, and `process` for cell operations and conditional styling.

```latex
\cellGetText
\cellSetText
\cellSetStyle
\rowSetStyle
\columnSetStyle
```

--------------------------------

### Booktabs Enhancements

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Introduces `\morecmidrules`, `\specialrule`, and `\addlinespace` commands for enhanced control over table rules, mimicking `booktabs` functionality.

```latex
Add `\morecmidrules`, `\specialrule` and `\addlinespace` for booktabs
```

--------------------------------

### Default Justification

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Justification is now the default behavior for table cells, heads, and foots, simplifying table layout.

```latex
Make justifying the default in table cells (#69)
```

```latex
Make justifying the default in table head/foot (#174)
```

--------------------------------

### Rollback to Previous Version

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Allows users to revert to a specific older version of the tabularray package. Use this when compatibility with older projects is required.

```latex
\usepackage{tabularray}[=v2021]
```

--------------------------------

### Cell Spanning with `\SetCell`

Source: https://context7.com/texackers/tabularray/llms.txt

Illustrates the use of the `\SetCell` command for creating multicolumn, multirow, and combined multirow/multicolumn cells with integrated styling.

```latex
% Multicolumn cell
\begin{tblr}{|c|c|c|c|c|}
\hline
 \SetCell[c=2]{c} 2 Columns & & \SetCell[c=3]{c} 3 Columns & & \\
\hline
 A & B & C & D & E \\
\hline
\end{tblr}
```

```latex
% Multirow cell
\begin{tblr}{|l|l|l|}
\hline
 \SetCell[r=3]{m,1.5cm} Multirow & Alpha & One \\
                                 & Beta  & Two \\
                                 & Gamma & Three \\
\hline
\end{tblr}
```

```latex
% Combined multirow and multicolumn with styling
\begin{tblr}{|c|c|c|c|}
\hline
 \SetCell[r=2,c=2]{c,bg=blue7,fg=white} 2x2 Cell & & Data1 & Data2 \\
\hline
 & & Data3 & Data4 \\
\hline
 Normal & Normal & Normal & Normal \\
\hline
\end{tblr}
```

--------------------------------

### Define and Use Functional Library for Conditional Styling

Source: https://context7.com/texackers/tabularray/llms.txt

Demonstrates defining a new function \pageColor to apply conditional styling based on page number and using it within table row specifications. Ensure \IgnoreSpacesOn and \IgnoreSpacesOff are used around function definitions.

```latex
\UseTblrLibrary{functional}

% Conditional styling based on page number
\IgnoreSpacesOn
\prgNewFunction \pageColor {mm} {
  \intIfOddTF{\value{page}}{\prgReturn{#1}}{\prgReturn{#2}}
}
\IgnoreSpacesOff

\begin{tblr}{
  row{1} = {bg=\pageColor{red7}{blue7}},
  row{2} = {bg=\pageColor{green7}{teal7}},
}
  Alpha   & Beta  & Gamma  \\
  Epsilon & Zeta  & Eta    \\
\end{tblr}
```

--------------------------------

### Nesting in Align Environment

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Ensures that `tabularray` tables are correctly nested within the `align` environment.

```latex
Make `tabularray` correctly nest in `align` environment (#143)
```

--------------------------------

### Document SetTblrTracing

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Documents the `\SetTblrTracing` command, which is used for debugging and tracing table construction processes.

```latex
\SetTblrTracing{true}
```

--------------------------------

### Caption Variations

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Implement \caption[]{text} and \caption*{text} for flexible captioning of tables, including starred versions for unnumbered captions.

```latex
\caption[]{Table Caption}
```

```latex
\caption*{Unnumbered Table Caption}
```

--------------------------------

### Tabularray and Shortverb '|'

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Fixes a bug that occurred when using `tabularray` with the `shortverb` package and the `|` character.

```latex
Fix bug with tabularray and shortverb `|` (#58)
```

--------------------------------

### Special Break Commands

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Implement \*, \nopagebreak, and \pagebreak commands for fine-grained control over page breaks within tables.

```latex
\nopagebreak
```

```latex
\pagebreak
```

--------------------------------

### Trim Options for \cmidrule

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Provides `trimming` options for the `\cmidrule` command, similar to `booktabs`.

```latex
Add trim options for `\cmidrule` command (#41)
```

--------------------------------

### Cell Mode Option

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

The `mode` option can now be applied to cells, columns, and rows for fine-grained control over their behavior and appearance.

```latex
Add `mode` option for cells/columns/rows (#45)
```

--------------------------------

### Removed Multicolumn/Row Commands

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

The `\multicolumn` and `\multirow` commands have been removed from the core package.

```latex
Remove `\multicolumn` and `\multirow` commands (#28)
```

--------------------------------

### Varwidth Library for Enumerate

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

The `varwidth` library allows using `enumerate` environments within cell text, enabling numbered lists inside cells.

```latex
Add `varwidth` library for using enumerate inside cell text (#36)
```

--------------------------------

### Table Templates

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Defines templates for caption, continuation text, and table footnotes, allowing for consistent and customizable table elements.

```latex
\DefTblrTemplate{caption}{default}{...}
```

```latex
\DefTblrTemplate{cont}{default}{...}
```

```latex
\DefTblrTemplate{footnote}{default}{...}
```

--------------------------------

### Removed First/Last Hline Commands

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

The `\firsthline` and `\lasthline` commands have been removed.

```latex
Remove `\firsthline` and `\lasthline` commands (#72)
```

--------------------------------

### Conditional Head/Foot Separators

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

The `headsep` and `footsep` options are only added if the table head or foot is not empty, preventing unnecessary spacing.

```latex
Don't add `headsep`/`footsep` if table head/foot is empty (#86)
```

--------------------------------

### Distribute Span Sizes Evenly

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Add options for distributing span sizes evenly across columns or rows, ensuring balanced table dimensions.

```latex
span=even
```

--------------------------------

### Counter Library Cell Widths

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Addresses incorrect cell width calculations that occurred when using the `counter` library.

```latex
Fix wrong cell widths caused by `counter` library (#162)
```

--------------------------------

### Float Tall Tables

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Implement floatable tall tables, allowing tables to behave like floats and be positioned more flexibly within the document.

```latex
\begin{table}[htbp]
  \begin{talltblr}{...}
    ...
  \end{talltblr}
\end{table}
```

--------------------------------

### Child Selectors with X, Y, Z

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Utilize 'X', 'Y', and 'Z' for the last three child elements in child selectors, simplifying selection of elements in complex structures.

```latex
\SetTblrStyle{child=X}{...}
```

--------------------------------

### Pagebreak/Nopagebreak Argument

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Allows `\pagebreak` and `\nopagebreak` commands to accept an optional argument for finer control over page breaking.

```latex
Make `\pagebreak` and `\nopagebreak` accept an optional argument (#259)
```

--------------------------------

### Long and Tall Tables

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Provides `longtabs` and `talltabs` environments within the `booktabs` library for handling tables that span multiple pages or are exceptionally tall.

```latex
Add `longtabs` and `talltabs` environments in `booktabs` library (#170)
```

--------------------------------

### Restore Paragraph Parameters

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Paragraph parameters are now correctly restored in table heads and foots, preventing style conflicts.

```latex
Restore paragraph parameters in table head/foot (#181)
```

--------------------------------

### Siunitx Library Guard Option

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Adds the `guard` option to the `siunitx` library for enhanced control over number formatting and alignment.

```latex
Add `guard` option in `siunitx` library (#175)
```

--------------------------------

### Blank Page in Long Tables

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Fixes blank pages that occurred in long tables when using the `\newpage` command.

```latex
Fix blank page in long tables when using `\newpage` command (#39)
```

--------------------------------

### Modify Foreground Color Settings

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Allows modification of foreground color (`fg`) settings for enhanced styling.

```latex
Allow to modify `fg` settings (#62)
```

--------------------------------

### Minimal Hspan Widths

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Corrects cell widths when using the `hspan=minimal` option.

```latex
Fix wrong span widths with `hspan=minimal` option (#71)
```

--------------------------------

### Crossing and Trimming Options

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Adds `crossing` and `trimming` options for `hlines` and `vlines`, allowing for more precise control over line rendering.

```latex
Add crossing and trimming options for hlines and vlines (#55)
```

--------------------------------

### Caption Tag Template

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Uses `\tablename` in the `caption-tag` template for correct table naming conventions.

```latex
Use `\tablename` in `caption-tag` templates (#103)
```

--------------------------------

### Fix Border Size Calculation

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Corrects the calculation of border sizes to ensure accurate rendering.

```latex
Fix wrong calculation of border sizes (#260)
```

--------------------------------

### Modify Command Settings

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Enables modification of command (`cmd`) settings, providing flexibility in how commands are interpreted within the table.

```latex
Allow to modify `cmd` settings (#57)
```

--------------------------------

### Baseline Alignment

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

The `baseline` key allows aligning the entire table to a specific row's baseline, ensuring consistent vertical positioning.

```latex
Add `baseline` key for aligning table at any row (#72)
```

--------------------------------

### Row and Column Counters

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Provides access to current row/column numbers and total counts using `\therownum`, `\thecolnum`, `\therowcount`, and `\thecolcount`.

```latex
Add missing `\therownum`, `\thecolnum`, `\therowcount`, `\thecolcount` (#129)
```

--------------------------------

### Enumerate Cell Widths with Hyperref

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Fixes cell width issues that arose when using enumerate lists inside cells, particularly when the `hyperref` package was also loaded.

```latex
Fix wrong widths of enumerate cells caused by `hyperref` (#196)
```

--------------------------------

### Expand Macro Occurrence

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Use this to expand every occurrence of a specified macro once. This functionality is useful for controlling macro expansion behavior.

```latex
\ExplTblrMacro{macro}
```

--------------------------------

### TblrNote Overlap

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

The `	extTblrNote` command now overlaps to the right side by default, improving its placement in relation to table content.

```latex
Make \TblrNote overlap to the right side by default (#198)
```

--------------------------------

### Optional Argument for Odd/Even Selectors

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Adds an optional argument to the `odd` and `even` selectors, providing more flexibility in styling specific rows or columns.

```latex
Add an optional argument to `odd` and `even` selectors (#105)
```

--------------------------------

### Fix Relax After Break

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Addresses an issue with `\relax` appearing after `\` or `\hline`, ensuring correct table construction and avoiding warnings.

```latex
\\ \relax
```

```latex
\hline \relax
```

--------------------------------

### Counter Library Math Mode

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Corrects the behavior of counters within math mode when using the `counter` library.

```latex
Fix wrong counters in math mode for `counter` library (#154)
```

--------------------------------

### Missing Hlines in Subtables

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Corrects the issue where the first and last horizontal lines were missing in subtables.

```latex
Fix missing first and last hlines in subtables (#227)
```

--------------------------------

### Caption Lot Template

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Uses `\thetable` in the `caption-lot` template for correct table numbering in lists of tables.

```latex
Use `\thetable` in `caption-lot` template (#126)
```

--------------------------------

### Vertical Space Below Booktabs Rules

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Adds vertical spacing above and below rules when using `booktabs` library styles.

```latex
Add vertical spaces below and above booktabs rules (#79)
```

--------------------------------

### siunitx Column Type

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Implement the 's' column type for seamless integration with the siunitx library, facilitating the typesetting of numbers and units.

```latex
colspec={s}
```

--------------------------------

### Pagebreak Option for Hborder

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

The `hborder` interface now accepts a `pagebreak` option with values `yes`, `no`, or `auto` to control page breaks related to horizontal borders.

```latex
Add `pagebreak=yes/no/auto` options to `hborder` (#165)
```

--------------------------------

### Share Row/Column Counters

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Enables sharing of `rownum` and `colnum` counters between different parts of the document or related packages.

```latex
Share `rownum` and `colnum` counters (#269, davidcarlisle/dpctex#33)
```

--------------------------------

### Font Boldmath Cell Widths

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Corrects cell width calculations when the `font=\boldmath` option is used.

```latex
Fix wrong cell widths when using `font=\boldmath` option (#137)
```

--------------------------------

### Borders Around Colored Cells

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Resolves an issue where borders around colored cells were not visible in Adobe Acrobat.

```latex
Fix disappeared borders around colored cells in Adobe Acrobat (#76)
```

--------------------------------

### Change pdfborder Setting

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

The `pdfborder` setting is now modified only within the `tblr` environment, preventing global style changes.

```latex
Change pdfborder setting only inside `tblr` environment (#33)
```

--------------------------------

### Page Breaks in Long Tables with Parskip

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Fixes incorrect page breaks in long tables when a positive `\parskip` is set.

```latex
Fix wrong page breaks of long tables with positive `\parskip` (#203)
```

--------------------------------

### Missing Last Row

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Fixes an issue where the last row of a table was sometimes omitted.

```latex
Fix missing last row (#114)
```

--------------------------------

### Avoid Struts Before/After Cell Text

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Prevents the addition of unnecessary vertical struts before and after cell text, leading to tighter layouts.

```latex
Avoid adding struts before and after cell text (#265)
```

--------------------------------

### Lost Lines in PDF Readers

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Addresses an issue where lines in long tables might disappear when viewed in certain PDF readers.

```latex
Fix lost lines in some long tables in PDF readers (#88)
```

--------------------------------

### Change Rulesep

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Allows modification of `rulesep`, providing control over the separation between rules (lines) in the table.

```latex
rulesep=1pt
```

--------------------------------

### Cell Text Spacing

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Control spacing around cell text using `\leftsep`, `\rightsep`, `\abovesep`, and `\belowsep` for precise layout adjustments.

```latex
\abovesep=2pt\relax
```

```latex
\belowsep=2pt\relax
```

```latex
\leftsep=2pt\relax
```

```latex
\rightsep=2pt\relax
```

--------------------------------

### Verb Option Error Fix

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Corrects an error that occurred when using the `verb` option in table cells.

```latex
Fix an error caused by `verb` option (#112)
```

--------------------------------

### Multiline Nonnumeric Cells in Siunitx

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Fixes issues with multiline non-numeric cells when using the `S` column type from the `siunitx` package.

```latex
Fix multiline nonnumeric cells in `siunitx`'s `S` columns (#90)
```

--------------------------------

### Apostrophe in Math Mode

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Resolves an issue with the `@` symbol in math mode within table cells.

```latex
Fix `@` expression in math mode (#138)
```

--------------------------------

### Fix Font Option for Multiline Cells

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Corrects the font option behavior for multiline cells, ensuring consistent typography within cells containing multiple lines of text.

```latex
font=\small
```

--------------------------------

### Extra Space in Multiline Cells

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Removes extra space that appeared at the end of multiline cells.

```latex
Fix bug with extra space at the end of a multiline cell (#48)
```

--------------------------------

### Extra Line Breaks with CJK Punctuation

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Fixes extra line breaks that occurred when cells began or ended with CJK punctuation marks.

```latex
Fix extra line breaks when cells begin or end with CJK punctuations (#145, #257)
```

--------------------------------

### Vlines Crossing Double Hlines

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Fixes the rendering of vertical lines that cross double horizontal lines, especially when cells span rows or columns.

```latex
Fix vlines that cross double hlines caused by span cells (#141)
```

--------------------------------

### Remove Vertical Space Around Lists

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

The `stretch=-1` option removes extra vertical space that might appear around list environments within table cells.

```latex
Add `stretch=-1` option for removing vertical space around lists (#99)
```

--------------------------------

### Remove Paragraph Tokens

Source: https://github.com/texackers/tabularray/wiki/ChangeLog

Paragraph tokens are removed from the beginning and end of cell text to ensure cleaner formatting.

```latex
Remove `\par` tokens at the beginning and at the end of cell text (#32)
```

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