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+title: Chickadee 0.10.0 released
+date: 2023-05-24 08:00:00
+tags: guile, gamedev, chickadee, release
+summary: Chickadee 0.10.0 has been released
+---
+
+I'm happy to announce that Chickadee 0.10.0 has been released!
+
+Chickadee is a game development toolkit for Guile.  Chickadee aims to
+provide all the features that parenthetically inclined game developers
+need to make 2D and 3D games in Scheme.
+
+This release is on the smaller side as I just haven’t had much time to
+work on Chickadee in the past 6 or so months, but I'm trying to stick
+with the routine of publishing a release before each Lisp Game Jam.
+The [Spring Lisp Game Jam
+2023](https://itch.io/jam/spring-lisp-game-jam-2023) is starting on
+May 26th and if you're interested enough in Chickadee to read this
+blog post then you should considering joining in!
+
+The biggest change in this release is not technical: Chickadee has
+been relicensed from GPLv3 to Apache 2.0.  This change reflects the
+reality that copyleft isn’t a great strategy for something like a game
+development library because there are many options to choose from and
+all of the best ones use very liberal licenses like the zlib license.
+It used to be that there weren’t a lot of game libraries available for
+the Lisp family of languages, but that hasn’t been true for awhile.
+Most notably, [Trial](https://shirakumo.github.io/trial/) is a Common
+Lisp game *engine* that has been used to ship a very real and very
+good game called [Kandria](https://shinmera.itch.io/kandria), is far
+more featureful than Chickadee, far more battle-tested, and is
+available under the zlib license.  Apache 2.0 was chosen despite the
+bad name that really ought to be changed because it is a similarly
+liberal license but also covers software patent nonsense.  If the GPL
+has been a blocker to using Chickadee for you in the past then I hope
+this license change fixes it.
+
+Notable improvements and changes:
+
+* Chickadee is now licensed under the Apache 2.0 license rather than
+  GPLv3+.
+* New window event hooks added to `run-game`.
+* Garbage generated in performance critical code has been
+  significantly reduced (but not eliminated.)
+* Syntax highlighting in manual code snippets.
+* New `#:smooth?` argument for `load-font`.
+
+Bug fixes:
+
+* 9-patches now render texture regions properly.
+* List of bundled libraries needed by `chickadee bundle` was
+  inaccurate in 0.9.0 and has been fixed.
+* `#:audio` keyword argument to `make-source` is no longer ignored.
+* Loading unsupported types of PNG files no longer throws an exception
+  when printing the error message.
+
+source tarball: <https://files.dthompson.us/chickadee/chickadee-0.10.0.tar.gz>
+
+signature: <https://files.dthompson.us/chickadee/chickadee-0.10.0.tar.gz.asc>
+
+See the [Chickadee project page](/projects/chickadee.html) for more
+information.
+
+Bug reports, bug fixes, feature requests, and patches are welcomed.
+
+Have fun!