0.11.0

• Fixed init_db in js (issue #73)
• Preliminary work for Clojure port (PR #70, #71)
• [ BREAKING ] DS now requires CLJS 0.0-3196 or later

0.10.0

• New parser for query and rules
• Added a lot of meaningful error messages and validations to query parser
• Support for _ (ignore binding) in :in and fn-clause bindings
• Fixed id allocation bug when nested maps are used for referenced entities (issue #59)
• Fixed squuids omitting leading zeros (issue #60)
• Fixed a bug when cross-referencing components caused infinite loop in Pull API (isuue #58, pull request #61)
• Pull API handles recursion more like Datomic does (issue #62)
• Exposed DB filter API to js (pull request #65)
• Added ICounted, ISequable, IEmptyableCollection to datascript.core/DB
• Force put Datom and DB tag readers to cljs.reader/*tag-table*, do not rely on data_readers.clj

0.9.0

• Lookup refs can be inlined in query :where patterns (issue #53)
• Pull API (issue #37, pull request #51) by David Thomas Hume
• pull form in :find clause

0.8.1

• :db/unique constraints
• Upserts
• Lookup refs
• entid function

0.8.0

• Find specifications: collection :find [?e ...], tuple :find [?e ?v], and scalar :find ?e .
• Support for :db/isComponent (issue #3)
• Support for nested maps in transact! (also fixes #38)
• [ BREAKING ] Custom aggregate fns must be called via special syntax (aggregate keyword): (q '[:find (aggregate ?myfn ?e) :in $ ?myfn ...]). Built-in aggregates work as before: (q '[:find (count ?e) ...]
• Return nil from entity when passed nil eid (issue #47)
• Transaction data is now validated, with proper error messages (also fixes #48)

0.7.2

• Fixed a bug with function call after function relation was filtered out (issue #44)

0.7.1

Fixed a bug when emtpy coll in input was not creating empty relation

0.7.0

• BTSet and its slices (returned by datoms/seek-datoms calls) now support fast reverse iteration via reverse.
• (datascript/datom e a v & [tx added]) call for creating new datoms
• Added missing aggregate funs: avg, median, variance, stddev and count-distinct (issue #42, thx @montyxcantsin)
• min and max aggregates use comparator instead of default js < comparison
• Fixed a bug when fn inside a query on empty relation returned non-empty result
• Filtered DB support via filter

0.6.0

• [ BREAKING ] Entity ids and transaction ids now have to be numbers, attributes can only be keywords (strings if used from JS)
• New method init-db for fast creation of DB from existing datoms (useful for e.g. initialization from serialized state)
• Improved performance of transact! (~20%) and initial database population (init-db, db-from-reader, ~800%)

0.5.2

• Externs provided via deps.cljs — no need to manually specify externs when using datascript dependency