Bump io.opentelemetry.contrib:opentelemetry-samplers from 1.55.0-alpha to 1.56.0-alpha

[dependabot]

Bumps io.opentelemetry.contrib:opentelemetry-samplers from 1.55.0-alpha to 1.56.0-alpha.

Release notes

Sourced from io.opentelemetry.contrib:opentelemetry-samplers's releases.

Version 1.55.0

This release targets the OpenTelemetry Java Instrumentation 2.26.1.

Disk buffering

• Add configuration option for explicit removal in the disk buffering iterator (#2560)
• Replace CompletableFuture with CompletableResultCode (#2670)
• Replace IllegalStateException with EOFException in readRawVarint32 (#2687)
• Apply upstream fixes to the disk buffering implementation (#2694)

Dynamic control

• Add trace sampling-rate implementer (#2634)
• Add json and keyvalue parsing and mapping (#2655)
• Move away from JSON requirement (#2652)
• Refactor trace sampling into specific subpackage (#2698)
• Add jsonkeyvalue source (#2702)
• Step 1 in transition to simpler validation (#2703)
• Move to using SourceWrapper, simplifying parsing (#2708)
• Complete the jsonkeyvalue and simpler validation migration (#2715)
• Refactor TYPE to POLICY_TYPE for clarity (#2720)
• Add SourceKind as sources are a known list (#2722)
• Add policy store (#2721)

Build

• Replace NVD with Sonatype OSS Index (#2689)
• Fix OSS Index Audit again (#2706)
• Fix release workflow (#2639)

JMX scraper

• Document ActiveMQ metrics from instrumentation (#2666)
• Document Kafka Connect support (#2688)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@​atoulme @​bencehornak @​bidetofevil @​breedx-splk @​cyrille-leclerc @​DmytroBorysovSpotOn @​jackshirazi @​jaydeluca @​laurit @​LikeTheSalad @​OxxxyAction

... (truncated)

Changelog

Sourced from io.opentelemetry.contrib:opentelemetry-samplers's changelog.

Changelog

Unreleased

Version 1.56.0 (2026-04-28)

Dynamic control

• Add SourceFormat string to enum conversion (#2737)
• Add policy config model classes (record-style structure) (#2736)
• Add config parsing for both JSON and YAML (#2738)
• Add OpampPolicyProvider for the policy pipeline (#2748)
• Create providers from SourceKind (#2749)
• Use composable samplers and add sampler initialization (#2752)
• Add PolicyTypeInitializer interface for better readability (#2754)

GCP resources

• Unify gcp resource detector (#2747)

JMX scraper

• Pin bouncycastle to 1.84 to fix CVE-2026-0636, CVE-2026-5588, CVE-2026-5598 (#2783)

OpAMP client

• Improve error handling (#2778)

Processors

• Add FilteringSpanExporter with composable SpanFilter and TraceFilter interfaces (#2745)

Version 1.55.0 (2026-03-31)

Disk buffering

• Add configuration option for explicit removal in the disk buffering iterator (#2560)
• Replace CompletableFuture with CompletableResultCode

... (truncated)

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