databases

ClickHouse 26.9 ships 56 new features, adding APPEND INCREMENTAL refreshable views for Iceberg, CREATE TOKEN credentials, LIMIT AFTER/UNTIL, and DISTINCT disk spilling.

PostgreSQL 19 Beta 4, released September 24, reverts SQL/PGQ graph queries, online checksum toggling, and four other features as the project targets an October general availability.

The first release candidate of Valkey 9.2 introduces fork-free backups, reusable ACL roles, a radix-tree Path Hash type, and a B+ tree for large sorted sets.

Percona Server for MySQL 9.7.2-2 ships DISTANCE() and VECTOR_DISTANCE(), letting developers rank embeddings by similarity directly in SQL across five distance metrics.

Harper's 5.2 release isolates database commits onto dedicated threads and adds a record cache, while a company benchmark argues single-runtime architecture beats a Vercel-based stack on personalized reads.

Databricks has acquired Electric, pairing its WASM-based local Postgres, PGlite, with a real-time sync engine to give AI agents fast local data alongside its centralized Lakebase database.

Amazon will acquire the Amsterdam company behind DuckDB, but not the open-source project itself, which stays MIT-licensed under the independent DuckDB Foundation.

PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 landed August 13 alongside 19 Beta 3, patching 28 security flaws and over 110 bugs, with PostgreSQL 14 set to lose support in November.

ClickHouse's pg_clickhouse extension now pushes whole correlated subqueries down to ClickHouse, taking TPC-H pushdown coverage from 12 to 16 of 22 queries.

DuckDB's team previewed version 2.0, codenamed Cyanoptera, replacing its PostgreSQL-derived SQL parser with an extensible PEG-based parser and adding client/server mode and triggers.

QuestDB 10.0 introduces QWP, a binary columnar protocol that replaces separate ILP and PostgreSQL wire connections, cutting ingestion overhead and streaming query results into Apache Arrow at over 200 million rows a second.

Turso, which rewrote SQLite from scratch in Rust, is now building a Postgres-speaking frontend on the same engine, aiming to be what its CEO calls 'the LLVM of databases.'