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@djspiewak djspiewak released this 01 Jan 01:06
· 3136 commits to series/3.x since this release
v3.3.3
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djspiewak Daniel Spiewak
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Learn about vigilant mode.
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Learn about vigilant mode.

This is the eighteenth major release in the Cats Effect 3.x lineage. It is fully binary compatible with every 3.x release, and fully source-compatible with every 3.3.x release. Note that source compatibility has been broken with 3.2.x in some minor areas. Scalafixes are available and should be automatically applied by Scala Steward if relevant.

This release contains a fix for a regression introduced in 3.3.0 related to IOApps which exit with non-fatal errors when run from within Sbt with fork set to false. In that scenario, the runtime worker threads would end up hung in a busy-wait loop and eat up all available CPU despite returning control to the Sbt shell. Despite this fix, it is still recommended that you set run / fork := true in Sbt to work around other bugs in Sbt itself (specifically related to both Ctrl-C and System.exit suppression).

User-Facing Pull Requests

Thank you so much!

Contributors

djspiewak and armanbilge
Assets 2
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