---
title: Releases
---
# Releases
## Hakyll 4.6.4.0
- Fix another dependency handling bug when using snapshots
- Add `matchMetadata` for examining metadata when defining rules
## Hakyll 4.6.3.0
- Fix dependency handling bug
## Hakyll 4.6.2.0
- Loosen `binary` dependency
- Make dependency handling more granular so you can depend on specific snapshots
of an item
## Hakyll 4.6.1.0
- Bump `fsnotify` and `pandoc-citeproc` dependencies
- Rewrite polling code a bit
## Hakyll 4.6.0.0
- Added `listFieldWith` function
- Improved `rulesExtraDependencies` behaviour
- Changed function syntax in templates from `$foo arg1 arg2$` to
`$foo("arg1", "arg2")$`
- Support parsing date from directory names in addition to file names
## Hakyll 4.5.5.0
- Fix Binary instances for `pandoc` and `pandoc-citeproc`
- Fix `network-uri` dependency issue
## Hakyll 4.5.4.0
- Fix issue with HTML entities when running `withUrls` and `demoteHeaders`.
- Generate a cabal file for the initialised site.
- Add pagination support.
## Hakyll 4.5.3.0
- Bump Pandoc to 1.12.4 to include the org-mode reader.
## Hakyll 4.5.2.0
- Fix rebuilding everything issue with latest directory (contribution by Jorge
Israel Peña)
- Fix issue with `toSiteRoot` (contribution by Izzy Cecil)
- Fix issue with tag dependencies, slightly improve caching
## Hakyll 4.5.0.0
- Fix issue with syntax highlighting and line numbers (contribution by Adelbert
Chang)
- Improve documentation for `Context` (contribution by Daniil Frumin)
- Added `IsString` instance for `Template`
- Added the `pandocCompilerWithTransformM` function (contribution by Daniil
Frumin)
- Make `./site check` return the right exit code (contribution by Andres Loeh)
- Use OS threads to make `./site watch` work nicely on Windows (contribution by
Simonas Kazlauskas)
- Make the `unixFilter` function work better on windows by calling `shell`
(contribution by Collin J. Doering)
- Add a command-line flag to bind on a user-specified host (contribution by
chrisdotcode)
## Hakyll 4.4.3.0
- Fix issue when using `metadataRoute` after other custom routes
## Hakyll 4.4.2.0
- Fix issue where Hakyll would not detect a change if a `.metadata` file was
deleted
## Hakyll 4.4.1.0
- Use Pandoc 1.12 highlighting by default
## Hakyll 4.4.0.0
- Update to work with Pandoc 1.12. This changes the type of `readPandocBibilio`:
the `CSL` argument is no longer optional (contribution by Jorge Israel Peña)
- Fix incorrect output of `toSiteRoot` on windows (contribution by Saeid
Al-Wazzan)
- Add a preview port option to `Configuration` (contribution by Jorge Israel
Peña)
- Add `watch` command that polls for changes but does not necessarily launch a
server (contribution by Eric Stolten)
- Generalise type of `metadataField`
- Fix issue where metadata was not correctly loaded when using versions
## Hakyll 4.3.3.0
- Re-add the `functionField` function
## Hakyll 4.3.2.0
- Re-add the `mapContext` function
- Unescape internal URLs when using `./site check` (contribution by Marc-Antoine
Perennou)
## Hakyll 4.3.1.0
- Make teasers undefined if no `` comment is found
- Sanitize tag URLs (contribution by Simonas Kazlauskas)
## Hakyll 4.3.0.0
- Add conditionals, partials and for loops to the template system (includes a
contribution by Ivan N. Veselov)
- Improvements to the preview functionality on windows (contribution by Jorge
Israel Peña)
- Add pagination support (contribution by Anton Dubovik)
- Slight speedup for the Hakyll cache (contribution by justnoxx)
- Add teaser functionality (contribution by Ivan N. Veselov)
- Make `./site check` work with scheme-relative URLs (contribution by Simonas
Kazlauskas)
- The `./site deploy` command can now be customized with Haskell code
(contribution by Samuel Tardieu)
- Use `hsnotify` for proper polling instead of sleep loop on all platforms
(contribution by Simonas Kazlauskas)
- More useful debug info available
## Hakyll 4.2.2.0
- Fix issue with `Alternative` instance of `Compiler`
## Hakyll 4.2.1.1
*March 9, 2013*
- Make `http-conduit` dependency optional by adding a `checkExternal` cabal flag
## Hakyll 4.2.1.0
*March 7, 2013*
- Fix issue where `copyFileCompiler` ignored `providerDirectory`
## Hakyll 4.2.0.0
*March 7, 2013*
- Read second extension for `.lhs`, e.g. `.md.lhs` or `.tex.lhs` (contribution
by Alexander Vershilov)
- Speedup initialization by using modification times instead of hashing files
- Speedup initialization with a rewritten resource provider
- Fix `./site check` not working with sites that require a user agent (e.g.
)
- Change `chronological` and `recentFirst` to actually look at the dates of
items. This changes their types from:
chronological, recentFirst :: [Item a] -> [Item a]
to:
chronological, recentFirst
:: MonadMetadata m => [Item a] -> m [Item a]
(contribution by Simonas Kazlauskas)
- Add `metadataRoute`, so it is now possible to use metadata when determining
routes
- Improve metadata parser for multiline metadata fields (contribution by Peter
Jones)
- Add the `getMetadataField` utility
## Hakyll 4.1.4.0
*January 26, 2013*
- Export the flexible `renderTags` function
## Hakyll 4.1.3.0
*January 26, 2013*
- Export the constructor of the `Tags` datatype
## Hakyll 4.1.2.0
*January 20, 2013*
- Fix an issue where a dependency cycle would lead to infinite recursion/stack
overflow
## Hakyll 4.1.1.0
*January 20, 2013*
- Fix an issue regarding `relativizeUrls` expanding `` to
``
## Hakyll 4.1.0.0
*January 20, 2013*
Update to use Pandoc 1.10, this requires changes to your `site.hs` if you're
using custom Pandoc options or the `Hakyll.Web.Pandoc.Biblio` module.
- `defaultHakyllParserState` renamed to `defaultHakyllReaderOptions`
- The type of `readPandocBiblio` changed
Because of the many changes, this release is no longer compatible with Pandoc
1.9.
## Hakyll 4.0.0.0
*January 16, 2013*
The Initial release of Hakyll 4, see
[this blogpost](http://jaspervdj.be/posts/2013-01-16-hakyll-4.0.html) and
[the migration guide](/tutorials/hakyll-3-to-hakyll4-migration-guide.html) for
an overview of changes.