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---
title: 0.3.0
description: Changes in Typst 0.3.0
---
# Version 0.3.0 (April 26, 2023)
## Breaking changes
- Renamed a few symbols: What was previous `dot.op` is now just `dot` and the
basic dot is `dot.basic`. The same applies to `ast` and `tilde`.
- Renamed `mod` to [`rem`]($calc.rem) to more accurately reflect the behavior.
It will remain available as `mod` until the next update as a grace period.
- A lone underscore is not a valid identifier anymore, it can now only be used
in patterns
- Removed `before` and `after` arguments from [`query`]. This is now handled
through flexible [selectors]($selector) combinator methods
- Added support for [attachments]($math.attach) (sub-, superscripts) that
precede the base symbol. The `top` and `bottom` arguments have been renamed to
`t` and `b`.
## New features
- Added support for more complex [strokes]($stroke) (configurable caps, joins,
and dash patterns)
- Added [`cancel`]($math.cancel) function for equations
- Added support for [destructuring]($scripting/#bindings) in argument lists and
assignments
- Added [`alt`]($image.alt) text argument to image function
- Added [`toml`] function for loading data from a TOML file
- Added [`zip`]($array.zip), [`sum`]($array.sum), and
[`product`]($array.product) methods for arrays
- Added `fact`, `perm`, `binom`, `gcd`, `lcm`, `atan2`, `quo`, `trunc`, and
`fract` [calculation]($category/foundations/calc) functions
## Improvements
- Text in SVGs now displays properly
- Typst now generates a PDF heading outline
- [References]($ref) now provides the referenced element as a field in show
rules
- Refined linebreak algorithm for better Chinese justification
- Locations are now a valid kind of selector
- Added a few symbols for algebra
- Added Spanish smart quote support
- Added [`selector`] function to turn a selector-like value into a selector on
which combinator methods can be called
- Improved some error messages
- The outline and bibliography headings can now be styled with show-set rules
- Operations on numbers now produce an error instead of overflowing
## Bug fixes
- Fixed wrong linebreak before punctuation that follows inline equations,
citations, and other elements
- Fixed a bug with [argument sinks]($arguments)
- Fixed strokes with thickness zero
- Fixed hiding and show rules in math
- Fixed alignment in matrices
- Fixed some alignment bugs in equations
- Fixed grid cell alignment
- Fixed alignment of list marker and enum markers in presence of global
alignment settings
- Fixed [path]($path) closing
- Fixed compiler crash with figure references
- A single trailing line breaks is now ignored in math, just like in text
## Command line interface
- Font path and compilation root can now be set with the environment variables
`TYPST_FONT_PATHS` and `TYPST_ROOT`
- The output of `typst fonts` now includes the embedded fonts
## Development
- Added instrumentation for debugging and optimization
- Added `--update` flag and `UPDATE_EXPECT` environment variable to update
reference images for tests
- You can now run a specific subtest with `--subtest`
- Tests now run on multiple threads
## Contributors
<contributors from="v0.2.0" to="v0.3.0" />
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