Data Engineering Good First Issues

Data Engineering

Slice signals

Average annotated difficulty: 2.3/5 across 2,992 issues.
75% of 2,992 time estimates are one day or less.

Closed

resolve_polity_label() documents 225 dangling aliases that the build makes impossible: every count in that paragraph is stale

area:regionsdocumentationgood first issuehelp wantedmechanicalno-data-neededpriority:low

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

eduaguilera / whep · #768 · Aug 12, 2026 · R · 1 star

0 comments0 reactions0 assignees

Closed

Energy extension warns many-to-many on every real build, drowning its real warnings

bugfootprint-extensiongood first issuehelp wantedmechanicalno-data-neededpriority:low

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

eduaguilera / whep · #647 · Aug 7, 2026 · R · 1 star

0 comments0 reactions0 assignees

Closed

Add AI agent instructions to package

NSAP-code-cleanupgood first issue

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

nmfs-ost / asar · #522 · Aug 4, 2026 · R · 44 stars

0 comments0 reactions0 assignees

Closed

Input validation does not flag negative capital/fixed/variable costs

buggood first issue

Why recommendedHas a beginner-friendly label · Contributing guide available

Has a beginner-friendly labelContributing guide available

EnergySystemsModellingLab / MUSE2 · #1438 · Jul 27, 2026 · Rust · 7 stars

2 comments0 reactions1 assignee

Closed

Make `ExpectColumnValuesToMatchStrftimeFormat` a fully-supported, Gallery-published Expectation

good first issuehelp wantedready-for-work

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

great-expectations / great_expectations · #12004 · Jul 24, 2026 · Python · 9,116 stars

0 comments0 reactions0 assignees

Closed

Promote `ExpectColumnValuesToNotBeOutliers` to supported core with SQL + Spark

help wantedready-for-work

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

great-expectations / great_expectations · #12003 · Jul 24, 2026 · Python · 9,116 stars

6 comments0 reactions0 assignees

Closed

Promote ExpectMulticolumnValuesToBeEqual to a supported core Expectation

claimedgood first issuehelp wantedpinnedready-for-work

Why recommendedHas a beginner-friendly label · Contributing guide available

Has a beginner-friendly labelContributing guide available

great-expectations / great_expectations · #12002 · Jul 24, 2026 · Python · 9,116 stars

7 comments0 reactions1 assignee

Closed

bilateral_trade: all-zero trade group returns an unnamed matrix, violating the documented name-indexing contract

area:tradebuggood first issuehelp wantedmechanicalno-data-neededpriority:low

Why recommendedHas a beginner-friendly label · Contributing guide available

Has a beginner-friendly labelContributing guide available

eduaguilera / whep · #235 · Jul 22, 2026 · R · 1 star

1 comment0 reactions1 assignee

Closed

footprint_balance: compare_footprint_methods conflates NA-valued footprints with zero

area:footprintbuggood first issuehelp wantedmechanicalno-data-neededpriority:low

Why recommendedHas a beginner-friendly label · Contributing guide available

Has a beginner-friendly labelContributing guide available

eduaguilera / whep · #212 · Jul 22, 2026 · R · 1 star

1 comment0 reactions1 assignee

Closed

test: add tests for inout (HDF5) module

Hacktoberfestenhancementgood first issue

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

vlang / vsl · #325 · Jul 14, 2026 · V · 400 stars

0 comments0 reactions0 assignees

Closed

Confusing error message when reading CSV with duplicate column name

A-io-csvP-mediumacceptedbuggood first issuepython

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

pola-rs / polars · #28310 · Jul 9, 2026 · Rust · 38,496 stars

5 comments1 reaction0 assignees

Closed

Add the recently added character `Odette` to the GI Loadouts roster

enhancementgood first issue

Why recommendedNo comments yet · Has a beginner-friendly label

No comments yetHas a beginner-friendly labelContributing guide available

gridhead / gi-loadouts · #580 · Jul 5, 2026 · Python · 33 stars

0 comments0 reactions1 assignee

Closed

[Bug] [Connector-V2] [TiDB-CDC] resolvedTs keeps advancing but row change events are silently missed

bughelp wanted

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

apache / seatunnel · #11013 · Jun 5, 2026 · Java · 6,897 stars

8 comments0 reactions0 assignees

Closed

Reuse existing view location when replacing view in Iceberg JDBC Catalog

good first issueiceberg

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

trinodb / trino · #29755 · Jun 4, 2026 · Java · 9,113 stars

0 comments0 reactions0 assignees

Closed

[Bug] [MongoDB-CDC] Bug DataException: operationType is not a valid field name

bughelp wanted

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

apache / seatunnel · #11008 · Jun 4, 2026 · Java · 6,897 stars

1 comment0 reactions0 assignees

Closed

Heatmap with "Normalize Across" x/y will fail when filters reduce the data to a single column/row.

good first issuevalidation:requiredviz:charts:heatmap

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

apache / superset · #40709 · Jun 3, 2026 · TypeScript · 72,837 stars

3 comments0 reactions0 assignees

Closed

[Bug]: Fix num_storage_api_streams for batch

P2buggood first issuejavapython

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

apache / beam · #38770 · Jun 2, 2026 · Java · 7,313 stars

0 comments0 reactions0 assignees

Closed

[Feature][connector] http connector cursor type pageing not check the number of returned items is less than batchSize？

bughelp wanted

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

apache / seatunnel · #10929 · May 22, 2026 · Java · 6,897 stars

4 comments0 reactions0 assignees

Closed

[Feature Request]: Add metrics tracking for offset commit failures and retry attempts in KafkaCommitOffset

P3good first issueiojavanew feature

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

apache / beam · #38587 · May 21, 2026 · Java · 7,313 stars

4 comments0 reactions0 assignees

Closed

[Feature][Zeta] Support resuming a force-stopped streaming job from the latest successful checkpoint

featurehelp wanted

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

apache / seatunnel · #10926 · May 20, 2026 · Java · 6,897 stars

3 comments0 reactions1 assignee

Data Engineering Good First Issues

Slice signals

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