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Feldera, September 2026 new features

17 releases · 1 product

feldera 0.358.0

- [SQL] NULL values can never be late; do not insert them in the emit_final Window operator, since they would leak memory [SQL] Fix GC for ArgMinSome (ARG_MIN with nullable argument); comprehensive MIN/MAX/ARG_MIN/ARG_MAX GC tests connector: Bump the delta-rs fork for the nested-container field-id fix [web-console] Add an "Open support bundle" button to the...

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feldera 0.357.0

- [adapters] Take over a checkpoint bucket at startup with take_bucket_ownership [SQL] Do not merge two GC operators if their control inputs are not 'equivalent' [SQL] Fix implementation of WATERLINE for LEFT JOIN [SQL] Fix incorrect WATERLINE computation for ASOF JOIN key (currently unreachable) [SQL] Fix HOP/TUMBLE implementation to handle dates before...

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feldera 0.356.0

- [profiler] Add the diagram palettes, stylesheet and corner chips [web-console] Fix demos not loading on authenticated instances Support serving Feldera from a URL subpath [connectors] iceberg: pin the fork revision that fixes the scan read stall [SQL] emit_final is bounded [web-console] Make the whole use-case/tutorial card clickable [SQL] Share...

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feldera 0.355.0

- dbsp: let an accumulator merge its batches less eagerly Never acknowledge a Postgres CDC write the circuit does not hold in full Kafka output headers dbsp: remove a_backlogged_spine_waits_for_its_mergers

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feldera 0.354.0

- [web-console] Remember support bundles the user opened, in IndexedDB [dbsp] Add a detailed breakdown of wait times to the circuit profile [SQL] A field of a nullable ROW is always nullable [dbsp] Compare and hash archived values.

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feldera 0.352.0

- [connectors] Fix completion frontier jump Web console table header hover arrows [storage] Add LZ4 and Zstd compression for layer files Storage checkpoint fsync [python] Wait for the seed insert before opening a transaction [SQL] Reject programs with connectors attached to LOCAL VIEWs stale health status should be unhealthy [SQL] Waterline computation for...

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feldera 0.351.0

- [SQL] Keep track whether streams hold deltas or full collections Fda custom header Fix postgres cdc checkpointing ci: address pipeline-manager by service name in the web-console e2e job [docs][web-console] Bump vulnerable deps [dbsp] Keep an empty batch in memory under a zero step threshold [profiler] The bundle viewer should not need a running pipeline...

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feldera 0.350.0

- [adapters] delta: project unused columns out of every CDC read rust: upgrade to 1.96.1 [connectors] Route Delta input object stores per connector [python] Wait out an expired bearer instead of failing the caller [profiler] Single click on a region displays region information [profiler] Make metrics tables collapsible Add disk_total_bytes and...

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feldera 0.349.0

- [SQL] Remove support for the WATERMARK keyword Fix vscode inotify watch exhaustion [adapters] delta: keep column case when adding partition columns [adapters] delta: Avoid errors and OOM parsing Parquet files [adapters] pg-input: report query errors to the controller [SQL] Do not build TopK operators that carry duplicate columns

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feldera 0.348.0

- [SQL] Emit warnings for programs that perform floating point equality comparisons Delta input connector change data feed (CDF) support. [SQL] Do not materialize indexes if the indexed view is not materialized [adapters] nats: don't abandon an in-flight replay for control commands add tests (some still failing) for postgres CDC connector Fix issue 7031...

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feldera 0.347.0

- [dbsp] Fix several bugs in GC logic for top-k and asof operators. [connectors] Backport a fix to a data corruption bug in delta-rs [SQL] Unused field removal for TopK operators Fix profiler calls toLowerCase on a field that is null [SQL] Accept topics without error for kafka input connectors. [SQL] Surface unbounded state analysis results as warnings

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feldera 0.346.0

- [profiler] Highlight the current metric for the current node adapters: support GCP Managed Service for Apache Kafka OAUTHBEARER auth [adapters] Implement remaining NATS auth methods and TLS options Validate authentication claims and tenant selectors [python] Fix test_suspend_enterprise max_rss_bytes expectation Reach the CI object store through Workload...

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feldera 0.345.0

- docs: upgrade browserslist, fast-uri, postcss-selector-parser, and qs [SQL] Add missing .clone() call in expression simplification pass [SQL] The maximum number of iterations executed before convergence should depend also on the size of the largest nested component [adapters] delta: fix follow and CDC reads of partitioned tables [profiler] Display profile...

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feldera 0.344.0

- [python] Improve synchronization for test_model_scoring [connectors] Teach the Delta input and output connectors to read/write Parquet variant columns. [DOC][SQL] Cleanup and document the list of reserved keywords [SQL] An operator that does not produce the same output stream type as the input type cannot be an identity function

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feldera 0.343.0

- Fix empty steps during connector transaction [python] Improve error report on failure in jsonbench test. Modular Bloom filter [dbsp] Sample more keys to partition output batches evenly. Fix dead image link in README docs: fix dead PostgreSQL license link

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feldera 0.342.0

- [python] close the model-scoring test's race on re-predictions [adapters] Bound the size of Parquet files written by the Delta connector [docs] Add usage and docs for delta output threads [profiler] Remove the unused hierarchical table Add new oauth_provider option to kafka input [dbsp] Estimate join input key counts by sampling [adapters] Check that a...

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