Langfuse Files

What's Changed

Features

• feat(ui): change trace deletion warning by @jannikmaierhoefer in https://github.com/langfuse/langfuse/pull/11147
• feat(trace): Add json viewer for performant rendering of large json i/o by @FroeMic in https://github.com/langfuse/langfuse/pull/11010
• feat(model-prices): match models if provider prefix is present by @hassiebp in https://github.com/langfuse/langfuse/pull/11118
• feat(ui): change score config menu name by @jannikmaierhoefer in https://github.com/langfuse/langfuse/pull/11167
• feat(ui): change wording in comments function by @jannikmaierhoefer in https://github.com/langfuse/langfuse/pull/11184
• feat(ui): only show tags if tags exist by @jannikmaierhoefer in https://github.com/langfuse/langfuse/pull/11188

Fixes / Improvements

• fix(init): warn when LANGFUSE_INIT_* env vars are partially configured by @Steffen911 in https://github.com/langfuse/langfuse/pull/11122
• fix: dev-tables.sh should use FINAL modifier to produce a correct set of rows by @sumerman in https://github.com/langfuse/langfuse/pull/11124
• fix: get rid of extra IN clauses along trace and score deletion paths introduced in [#10554] by @sumerman in https://github.com/langfuse/langfuse/pull/11126
• fix(tracing): show input / output label on trace correctly if not ChatML by @nimarb in https://github.com/langfuse/langfuse/pull/11132
• fix(codemirror): syntax highlighting throwing error by @nimarb in https://github.com/langfuse/langfuse/pull/11134
• style(dataset-versioning): remove warning banner from DatasetVersionHistoryPanel and update icon in DatasetItemContent by @marliessophie in https://github.com/langfuse/langfuse/pull/11133
• fix: fix the behaviour of nulls and score joins on the metrics v2 path by @sumerman in https://github.com/langfuse/langfuse/pull/11148
• fix: don't expose traces view via API endpoint by @sumerman in https://github.com/langfuse/langfuse/pull/11157
• fix(otel): parse cost_details for non-Langfuse SDK spans by @hassiebp in https://github.com/langfuse/langfuse/pull/11166
• fix(trace-table): show output column for non-chat message arrays by @hassiebp in https://github.com/langfuse/langfuse/pull/11163
• fix(trace): log view tab key should be unique by @nimarb in https://github.com/langfuse/langfuse/pull/11172
• fix(trace): advanced json viewer improvements by @FroeMic in https://github.com/langfuse/langfuse/pull/11162
• fix(trace): paddings by @nimarb in https://github.com/langfuse/langfuse/pull/11174
• fix(trace): make the new JSON view beta by @nimarb in https://github.com/langfuse/langfuse/pull/11176
• perf: make batch export part size configurable and reduce default to 10MiB by @Steffen911 in https://github.com/langfuse/langfuse/pull/11185
• perf: deduplicate jobs on the event propagation queue by @Steffen911 in https://github.com/langfuse/langfuse/pull/11190
• fix(ui): trace preview empty state popup layout and visibility by @Lotte-Verheyden in https://github.com/langfuse/langfuse/pull/11192
• fix(datasets): set default order condition to show most recent datasets first by @marliessophie in https://github.com/langfuse/langfuse/pull/11198
• fix(datatable): allow filtering by empty string in stringOptions filter by @FroeMic in https://github.com/langfuse/langfuse/pull/11189
• fix(api): enforce row_limit on metrics endpoints by @sumerman in https://github.com/langfuse/langfuse/pull/11196
• fix(trace): align media label by @FroeMic in https://github.com/langfuse/langfuse/pull/11202
• fix(api): prevent v2/metrics from accepting hight cardinality dimensions by @sumerman in https://github.com/langfuse/langfuse/pull/11203
• fix(trace): convert latency from milliseconds to seconds in observati… by @FroeMic in https://github.com/langfuse/langfuse/pull/11208
• fix(trace): reduce indentation in advanced json view by @FroeMic in https://github.com/langfuse/langfuse/pull/11209
• fix(trace): fix bottom padding by @FroeMic in https://github.com/langfuse/langfuse/pull/11207
• fix(trace): Observation detail header alignment by @FroeMic in https://github.com/langfuse/langfuse/pull/11211
• fix(worker): add deduplication to experiments backfill queries by @Steffen911 in https://github.com/langfuse/langfuse/pull/11226
• fix(batch-exports): update row ID retrieval method in BatchExportsTable component by @marliessophie in https://github.com/langfuse/langfuse/pull/11205
• fix(api): fix single SELECT optimization on count measures by @sumerman in https://github.com/langfuse/langfuse/pull/11236
• perf: events table io loading by @maxdeichmann in https://github.com/langfuse/langfuse/pull/11178
• fix(evalService): add filter for valid_to in extractVariables by @marliessophie in https://github.com/langfuse/langfuse/pull/11238

Chores

• chore(dataset-versioning): add UI changes by @marliessophie in https://github.com/langfuse/langfuse/pull/11068
• chore(api): dedup usage fields by @sumerman in https://github.com/langfuse/langfuse/pull/11204
• chore: fern API docs for public v2 by @sumerman in https://github.com/langfuse/langfuse/pull/10547
• chore: clickhouse migrations for persisted tools by @nimarb in https://github.com/langfuse/langfuse/pull/11130
• chore(dataset-items): adjust read access patterns to read valid_to by @marliessophie in https://github.com/langfuse/langfuse/pull/11155
• chore: upgrade trpc to 11.8.0 by @nimarb in https://github.com/langfuse/langfuse/pull/11239
• chore(dataset-versioning): change icon to "history" by @marliessophie in https://github.com/langfuse/langfuse/pull/11125
• chore(billing): remove double invoice note from Billing settings by @FroeMic in https://github.com/langfuse/langfuse/pull/11119
• chore: migrate event backfill script to part-based observation processing by @Steffen911 in https://github.com/langfuse/langfuse/pull/11052
• chore(deps): upgrade turbo to 2.6.3 by @nimarb in https://github.com/langfuse/langfuse/pull/11158
• chore(api): update trace colulmn handling on observation API on top of events by @sumerman in https://github.com/langfuse/langfuse/pull/11161
• chore(deps): bump remark-js to 4.0.1 by @nimarb in https://github.com/langfuse/langfuse/pull/11159
• chore(dataset-items): adjust write access patterns to write valid_to by @marliessophie in https://github.com/langfuse/langfuse/pull/11151
• chore(dataset-items): create idx on [project_id, id, valid_from] by @marliessophie in https://github.com/langfuse/langfuse/pull/11144
• chore(dataset-items): add nullable valid_to col by @marliessophie in https://github.com/langfuse/langfuse/pull/11149
• chore: yet another shot at making observations v2 test less flakey by @sumerman in https://github.com/langfuse/langfuse/pull/11152
• chore(dataset-items): add background migration to backfill valid_to by @marliessophie in https://github.com/langfuse/langfuse/pull/11153
• chore: add options for background migration by @marliessophie in https://github.com/langfuse/langfuse/pull/11183
• chore(dataset-items): adjust seeder to account for valid_to by @marliessophie in https://github.com/langfuse/langfuse/pull/11195
• chore: extend invalid observation logging errors by @Steffen911 in https://github.com/langfuse/langfuse/pull/11200

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.140.0...v3.141.0