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ui: escape label values in PromQL autocomplete#18658

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juliusv merged 3 commits into
prometheus:mainfrom
officialasishkumar:fix-autocomplete-label-value-escaping
May 15, 2026
Merged

ui: escape label values in PromQL autocomplete#18658
juliusv merged 3 commits into
prometheus:mainfrom
officialasishkumar:fix-autocomplete-label-value-escaping

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Which issue(s) does the PR fix:

Fixes #11629

Release notes for end users (ALL commits must be considered).

Reviewers should verify clarity and quality.

[BUGFIX] UI: Escape label values offered by PromQL autocomplete.

@officialasishkumar officialasishkumar requested review from a team, Nexucis and juliusv as code owners May 11, 2026 05:55
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Thanks! Just some small comments.

Comment thread web/ui/module/codemirror-promql/src/complete/hybrid.ts Outdated
Comment thread web/ui/module/codemirror-promql/src/complete/hybrid.ts
@officialasishkumar officialasishkumar force-pushed the fix-autocomplete-label-value-escaping branch from 6492ebe to dacedcd Compare May 13, 2026 06:33
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Besides the TS test, the DCO check is currently failing, could you make sure that both comments have a DCO sign-off line?

Comment thread web/ui/module/codemirror-promql/src/complete/hybrid.ts
Signed-off-by: Asish Kumar <officialasishkumar@gmail.com>
Signed-off-by: Asish Kumar <officialasishkumar@gmail.com>
Signed-off-by: Asish Kumar <officialasishkumar@gmail.com>
@officialasishkumar officialasishkumar force-pushed the fix-autocomplete-label-value-escaping branch from dacedcd to a21f58c Compare May 14, 2026 16:43
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👍

@juliusv juliusv merged commit 49cf97b into prometheus:main May 15, 2026
34 checks passed
eleboucher pushed a commit to eleboucher/homelab that referenced this pull request May 28, 2026
…➔ v3.12.0) (#730)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [quay.io/prometheus/prometheus](https://github.com/prometheus/prometheus) | minor | `v3.11.3` → `v3.12.0` |

---

### Release Notes

<details>
<summary>prometheus/prometheus (quay.io/prometheus/prometheus)</summary>

### [`v3.12.0`](https://github.com/prometheus/prometheus/releases/tag/v3.12.0): 3.12.0 / 2026-05-28

[Compare Source](prometheus/prometheus@v3.11.3...v3.12.0)

- \[SECURITY] Remote-write: Reject snappy-compressed requests whose declared decoded length exceeds the 32MB. Thanks to [@&#8203;hibrian827](https://github.com/hibrian827) for reporting it. [#&#8203;18642](prometheus/prometheus#18642)
- \[SECURITY] STACKIT SD: Fix secrets being exposed in plaintext via `/-/config` endpoint. Thanks to [@&#8203;August829](https://github.com/August829) and [@&#8203;Phaxma](https://github.com/Phaxma) for reporting. GHSA-39j6-789q-qxvh [#&#8203;18649](prometheus/prometheus#18649)
- \[CHANGE] TSDB/Agent: Adds Start Timestamp field to all WAL Histogram samples in memory; used `st-storage` flag is enabled. [#&#8203;18221](prometheus/prometheus#18221)
- \[FEATURE] API: Add `/api/v1/status/self_metrics` endpoint returning the current state of the Prometheus server's own metrics about itself as JSON. [#&#8203;18411](prometheus/prometheus#18411)
- \[FEATURE] Discovery: Add DigitalOcean Managed Databases service discovery [#&#8203;18287](prometheus/prometheus#18287)
- \[FEATURE] Prometheus: Add support for the aix/ppc64 compilation target [#&#8203;18321](prometheus/prometheus#18321)
- \[FEATURE] Discovery: Add Outscale VM service discovery (`outscale_sd_configs`) for discovering scrape targets from the Outscale Cloud API. [#&#8203;18139](prometheus/prometheus#18139)
- \[FEATURE] PromQL: Emit a warning when `sort`, `sort_by_label` or `sort_by_label_desc` is used within range (matrix) queries, as these functions do not have effect in that context. [#&#8203;18498](prometheus/prometheus#18498)
- \[FEATURE] PromQL: Add `start()`, `end()`, `range()`, and `step()` experimental functions [#&#8203;17877](prometheus/prometheus#17877)
- \[FEATURE] PromQL: Update `resets()` function to consider start timestamp resets. Hidden behind `use-start-timestamps` feature flag. [#&#8203;18627](prometheus/prometheus#18627)
- \[FEATURE] Prometheus: Promote auto-reload-config as stable [#&#8203;18620](prometheus/prometheus#18620)
- \[FEATURE] TSDB/Agent: Add `CheckpointFromInMemorySeries` option to `agent.DB` that enables checkpoint based on in-memory series. [#&#8203;17948](prometheus/prometheus#17948)
- \[FEATURE] UI: Add a web interface for deleting time series and cleaning tombstones, accessible from the Status menu. [#&#8203;18390](prometheus/prometheus#18390)
- \[FEATURE] PromQL: Use start timestamps for `rate()`, `irate(), and `increase()`calculations, behind a feature flag`use-start-timestamps`. Doesn't work together with extended range selectors `anchored`and`smoothed\`. [#&#8203;18344](prometheus/prometheus#18344)
- \[FEATURE] Scrape: Added a feature flag `st-synthesis` which synthesizes unknown STs for scraped cumulative metrics. Useful when Remote Writing 2.0 with delta or Otel-based backends. [#&#8203;18279](prometheus/prometheus#18279)
- \[FEATURE] promqltest: support `@st` annotation in `load` blocks to specify per-sample start timestamps. [#&#8203;18360](prometheus/prometheus#18360)
- \[ENHANCEMENT] API: reject concurrent fgprof profiles. [#&#8203;18651](prometheus/prometheus#18651)
- \[ENHANCEMENT] AWS SD: Add optional `external_id` field to ECS/MSK/RDS/Elasticache. [#&#8203;18579](prometheus/prometheus#18579)
- \[ENHANCEMENT] AWS SD: Add optional `external_id` field. [#&#8203;17171](prometheus/prometheus#17171)
- \[ENHANCEMENT] Discovery: Propagate SD target updates faster by introducing dynamic backoff interval instead of static 5s interval for throttling. [#&#8203;18187](prometheus/prometheus#18187)
- \[ENHANCEMENT] Promtool: Add `--header` flag to `query instant` command, matching existing `query range` behaviour. [#&#8203;18418](prometheus/prometheus#18418)
- \[ENHANCEMENT]: AWS SD: Allows EC2 service discovery to discover IPv6 addresses to communicate with target endpoints. The private IPv4 address remains the default when both IPv4 and IPv6 addresses are present. [#&#8203;16088](prometheus/prometheus#16088)
- \[PERF] TSDB: Make head chunk lookup in range queries constant time instead of quadratic time [#&#8203;18302](prometheus/prometheus#18302)
- \[PERF] TSDB: Skip entire stripes in mmapHeadChunks when no series need mmapping, reducing CPU utilization significantly at production-relevant scales. [#&#8203;18541](prometheus/prometheus#18541)
- \[PERF] TSDB: Skip clean series during periodic head chunk mmap using cached head chunk count [#&#8203;18272](prometheus/prometheus#18272)
- \[PERF] PromQL: Address FloatHistogram.KahanAdd performance regression on Go 1.26. [#&#8203;18568](prometheus/prometheus#18568)
- \[BUGFIX] PromQL: Fix `info()` function incorrectly handling negated `__name__` matchers [#&#8203;17932](prometheus/prometheus#17932)
- \[BUGFIX] API: Return duration expressions in `/parse_ast`. [#&#8203;18624](prometheus/prometheus#18624)
- \[BUGFIX] API: correctly document formats accepted for duration query request parameters (step, timeout and lookback delta) in OpenAPI spec [#&#8203;18305](prometheus/prometheus#18305)
- \[BUGFIX] Scrape: AppenderV2 now tracks staleness even when OOO/duplicate series errors happen similar to AppenderV1 [#&#8203;18567](prometheus/prometheus#18567)
- \[BUGFIX] Config: Validate remote\_write queue\_config fields at load time to prevent runtime panic and silent misconfiguration. [#&#8203;18209](prometheus/prometheus#18209)
- \[BUGFIX] Discovery/Consul: Add `health_filter` for Health API filtering, fixing breakage when using Catalog-only fields like `ServiceTags` in `filter`. [#&#8203;18479](prometheus/prometheus#18479) [#&#8203;18499](prometheus/prometheus#18499)
- \[BUGFIX] OTLP: limit decompressed body size for gzip-encoded OTLP write requests. [#&#8203;18408](prometheus/prometheus#18408)
- \[BUGFIX] PromQL: Fix `smoothed` rate/increase returning zero instead of no result when all data falls strictly after the query range. [#&#8203;18523](prometheus/prometheus#18523)
- \[BUGFIX] PromQL: Fix metric name not being dropped when last\_over\_time or first\_over\_time is applied to subqueries containing name-dropping functions like abs(). [#&#8203;18409](prometheus/prometheus#18409)
- \[BUGFIX] PromQL: Fix missing warning when mixing exponential and custom-bucket histograms in stats queries. [#&#8203;18660](prometheus/prometheus#18660)
- \[BUGFIX] PromQL: Fix parsing of `range()` keyword in duration expressions such as `foo[5m+range()]`. [#&#8203;18623](prometheus/prometheus#18623)
- \[BUGFIX] PromQL: Fix smoothed vector selector returning no results in binary operations when the `@` modifier is used. [#&#8203;18531](prometheus/prometheus#18531)
- \[BUGFIX] PromQL: Reject NaN, infinite, and out-of-range duration expressions instead of silently producing an out-of-range time.Duration. [#&#8203;18639](prometheus/prometheus#18639)
- \[BUGFIX] Scrape: Fix panic when scraping malformed native histograms. [#&#8203;18414](prometheus/prometheus#18414)
- \[BUGFIX] Scrape: fix panic when scraping a target exposing a summary with no quantiles via the protobuf format. [#&#8203;18382](prometheus/prometheus#18382)
- \[BUGFIX] Scrape: fix scrape failure log file occasionally not applied after a configuration reload. [#&#8203;18421](prometheus/prometheus#18421)
- \[BUGFIX] TSDB: Allow retention percentage with new data path. [#&#8203;18628](prometheus/prometheus#18628)
- \[BUGFIX] TSDB: Preserve decimal precision in percentage-based retention [#&#8203;18374](prometheus/prometheus#18374)
- \[BUGFIX] TSDB: fix prometheus\_tsdb\_head\_chunks going negative after WAL replay [#&#8203;18401](prometheus/prometheus#18401)
- \[BUGFIX] TSDB: panic with native histograms during query of overlapping chunks. [#&#8203;18692](prometheus/prometheus#18692)
- \[BUGFIX] Tracing: fix startup failure for insecure OTLP HTTP tracing [#&#8203;18469](prometheus/prometheus#18469)
- \[BUGFIX] UI: Escape label values offered by PromQL autocomplete. [#&#8203;18658](prometheus/prometheus#18658)
- \[BUGFIX] UI: Improve Y-axis tick label precision for graph values over small ranges. [#&#8203;18682](prometheus/prometheus#18682)
- \[BUGFIX] `prometheus_sd_refresh*` and `prometheus_sd_discovered_targets` metrics for specific scrape jobs are deleted when the scrape job is removed. [#&#8203;17614](prometheus/prometheus#17614)
- \[BUGFIX] Remote: fixed validation for received RW2 requests when parsing metadata unit symbols. This fixes a case when request would cause (recovered) handler panic. [#&#8203;18641](prometheus/prometheus#18641)
- \[BUGFIX] TSDB/Agent: fix race in agent appender where concurrent appends for the same label set could produce duplicate in-memory series and duplicate WAL records. [#&#8203;18292](prometheus/prometheus#18292)
- \[BUGFIX] Config: Update `--enable-feature`  flag description and sort feature names. [#&#8203;18487](prometheus/prometheus#18487)

</details>

---

### Configuration

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🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about these updates again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: https://git.erwanleboucher.dev/eleboucher/homelab/pulls/730
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UI: auto-complete handles escape character incorrectly

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