Datomic Local 1.0.300 now available

The complete change log can be found at Change Log | Datomic Local

2026/07/14 - 1.0.300

  • Feature: Datomic Local can now run upgrade-schema to install system schema introduced after database creation.
  • Feature: Permanently discontinue maintenance of a composite tuple attribute. Run upgrade-schema to get access. See Discontinuing Composite Tuples for more details.
  • Feature: Datomic Local now supports query-stats.
  • Feature: seek-datoms - index access to raw datoms.
  • Feature: rseek-datoms - reverse complement of seek-datoms.
  • Performance: improved index read performance.
  • Fix: Prevent Datomic Local db roots from being corrupted by ambient print bindings.
  • Fix: prevent blanks (_) from unifying across function clauses in query.

Discovered with this release we found we were declaring internal artifacts in our published POM. We have remedied that problem and you’ll want to use 1.0.301.

2026/07/15 - 1.0.301

  • Fix: Datomic Local no longer declares internal artifacts in its published POM.