Changelog

2.0.1

• BREAKING: minimum jvm version is increased from 17 to 21.
• biff.ring uses a virtual thread pool for Jetty.
• biff.datastar uses a heartbeat event to detect disconnected clients.
• Set :biff.datastar/tab-id for not-signed-in users
• biff.datastar: added disconnect which can be used to refresh pages after files are evaluated.

2.0.0 (2026-09-10)

Announcement.

• same as 2.0.0-26

2.0.0-26

• biff.tasks: the dev task runs the init task when needed.
• biff.tasks: the add task syncs clj-kondo configs.

2.0.0-rc25

Bug fixes:

• biff.tasks: create target/resources properly if needed.

2.0.0-rc24

Breaking:

• biff.fx: remove support for returning a vector of maps for ordered effects; introduced :biff.fx/seq instead.

Non-breaking:

• biff.core: accept maps for :biff.core/init values
• biff.fx: add pipe and defpipe.
• biff.fx: inject :biff.fx/{random-uuid7-seq,random-uuid4-seq} into ctx
• biff.sqlite, biff.xtdb: set the biff.core DB functions via the same module that sets the connections/node.
• biff.sqlite: module accepts schema options
• biff.xtdb: add schema-module
• biff.datastar: scope :biff.datastar/tab-id by user ID.
• biff.tasks: allow publishing snapshot versions multiple times.
• biff.tasks: publish --local installs artifacts into the local Maven repository.
• biff.tasks: format task adds blank lines to separate split form pairs
• biff.tasks: add :biff/impl-visibility clj-kondo rule
• biff.tasks: init task initializes git repo

2.0.0-rc23 (2026-08-29)

Release notes.

Breaking:

• biff.core: components are now module lifecycle functions
• biff.fx: state functions have additional arguments
• biff.ring: defroute is removed
• biff.ring: path only takes template strings, not route vectors
• biff.graph: defresolver uses the new biff.fx format