What's Changed

Other Changes

• Raise multinode integration failure budget to 200 and document failover variance by @Copilot in #545
• Upgrade OJP server/toolchain baseline to Java 25 LTS and align CI/docs by @Copilot in #546
• docs: fix outdated SQS classification description (RELATIVE_AVERAGE → RELATIVE_FAST_BASELINE) by @Copilot in #547
• docs: express EWMA averaging formula using standard α notation in chapter 8 by @Copilot in #548

Full Changelog: v0.4.22-beta...v0.4.23-beta

📦 Artifacts

• Maven Central: org.openjproxy
• Docker Hub: rrobetti/ojp:0.4.23-beta

What's Changed

Other Changes

• Improve diagrams in Chapter 1 of docs by @welingtonlarsen in #537
• Refine chapter 2 architecture diagrams by @welingtonlarsen in #542
• Using jlink and jdeps to build docker image by @cunhazera in #526

New Contributors

• @welingtonlarsen made their first contribution in #537

Full Changelog: v0.4.21-beta...v0.4.22-beta

📦 Artifacts

• Maven Central: org.openjproxy
• Docker Hub: rrobetti/ojp:0.4.22-beta

What's Changed

Other Changes

• Skip per-statement admission slot when session already holds a permit by @Copilot in #540
• Fix NPE on PreparedStatement.getWarnings breaking Spring Data JDBC queries by @Copilot in #541

Full Changelog: v0.4.20-beta...v0.4.21-beta

📦 Artifacts

• Maven Central: org.openjproxy
• Docker Hub: rrobetti/ojp:0.4.21-beta

What's Changed

Other Changes

• feat(jdbc): default clientThrottle.mode to reactive by @Copilot in #535
• Reactive throttle hardening + lane-aware overload (cross-lane fix) by @Copilot in #539

Full Changelog: v0.4.19-beta...v0.4.20-beta

📦 Artifacts

• Maven Central: org.openjproxy
• Docker Hub: rrobetti/ojp:0.4.20-beta

What's Changed

Other Changes

• docs: add concise summary of current admission control, timeouts, and backpressure by @Copilot in #522
• Fix CVE-2018-1000873: bump opentelemetry-api to 1.62.0 in ojp-datasource-hikari by @Copilot in #525
• docs: add multi-language client specification by @Copilot in #448
• Add deterministic ABSOLUTE_THRESHOLD mode for Slow Query Segregation classification by @Copilot in #527
• Replace SQS relative classification with RELATIVE_FAST_BASELINE + hysteresis and baseline-safe config model by @Copilot in #528
• Add JDBC client throttling — analysis document, implementation and documentation by @Copilot in #523
• Reposition OJP as a smart database control plane in main README and key docs by @Copilot in #529
• Added Open J Proxy overview image in main README. by @rrobetti in #530
• docs: document maxConcurrentRequests as JVM self-protection cap by @Copilot in #532
• Disable virtual threads by default in ojp-server by @Copilot in #533
• Bump version to 0.4.19-SNAPSHOT. by @rrobetti in #534

Full Changelog: v0.4.16-beta...v0.4.19-beta

📦 Artifacts

• Maven Central: org.openjproxy
• Docker Hub: rrobetti/ojp:0.4.19-beta

What's Changed

Other Changes

• test: explicitly set OJP default connection pool properties in H2OpenLoopLatencyIntegrationTest by @Copilot in #517
• fix: upgrade OpenTelemetry to 1.62.0 (CVE-2026-45292) by @Copilot in #521
• Use SQS fast/slow slot timeouts as precedence for lane admission when enabled by @Copilot in #519
• Add server-side surge throttling with fail-fast admission control and overload signaling by @Copilot in #520

Full Changelog: v0.4.15-beta...v0.4.16-beta

📦 Artifacts

• Maven Central: org.openjproxy
• Docker Hub: rrobetti/ojp:0.4.16-beta

What's Changed

Other Changes

• Docs: sharpen Slow Query Segregation guidance for mixed workloads; discourage pure OLTP/OLAP use by @Copilot in #505
• Move timeout budgeting to admission semaphores and make pool acquisition fail-fast by @Copilot in #506
• perf: remove per-parameter Future/Executor overhead from normal JDBC parameter binding by @Copilot in #507
• refactor: optimize ExecuteUpdateAction to build OpResult directly without intermediate DTOs by @Copilot in #508
• feat: make executeQuery ResultSet streaming block size configurable via ojp.resultset.rowsPerBlock by @Copilot in #509
• perf: build ResultRow proto directly from JDBC ResultSet, skip Object[] intermediate by @Copilot in #511
• Make JDBC Connection.close() async by default with synchronous opt-in by @Copilot in #513
• fix: revert JDBC connection close default to synchronous by @Copilot in #515

Full Changelog: v0.4.14-beta...v0.4.15-beta

📦 Artifacts

• Maven Central: org.openjproxy
• Docker Hub: rrobetti/ojp:0.4.15-beta

What's Changed

Other Changes

• Add H2 open/closed-loop integration test with per-operation and per-step latency instrumentation by @Copilot in #502
• Implement global server-side prepared statement cache settings and translation by @Copilot in #504
• Add always-on server admission control semaphore and document rationale by @Copilot in #503

Full Changelog: v0.4.13-beta...v0.4.14-beta

📦 Artifacts

• Maven Central: org.openjproxy
• Docker Hub: rrobetti/ojp:0.4.14-beta

What's Changed

Other Changes

• fix: honour ojp.connection.pool.* properties passed via DriverManager.getConnection() info argument by @Copilot in #500

Full Changelog: v0.4.12-beta...v0.4.13-beta

📦 Artifacts

• Maven Central: org.openjproxy
• Docker Hub: rrobetti/ojp:0.4.13-beta

What's Changed

Other Changes

• Make session close synchronous and retry only connection-level termination failures by @Copilot in #499

Full Changelog: v0.4.11-beta...v0.4.12-beta

📦 Artifacts

• Maven Central: org.openjproxy
• Docker Hub: rrobetti/ojp:0.4.12-beta