CHANGELOG.md

[Unreleased]

[0.5.3] - 2026-06-25

Fixes:

• in_opentelemetry: enforce size limits on incoming payloads

[0.5.2] - 2026-03-15

Improvements:

• out_opentelemetry: add BatchProcessor for bulk transfer (#33)

[0.5.1] - 2026-02-09

Fixes:

• gem: add win32ole gem as dependency for Ruby 4.0 (#30)

[0.5.0] - 2026-02-01

Improvements:

• out_opentelemetry: add gRPC keep alive settings (#29)
• in_opentelemetry_metrics: add Fluentd CPU and memory usage metrics (#21)
• out_opentelemetry: reuse the connection in grpc (#19)
• out_opentelemetry: add timeout parameter in grpc (#18)
• out_opentelemetry: add compress parameter in grpc (#17)
• ProtocolBuffer: update OTLP v1.9.0

Fixes:

• out_opentelemetry: fix memory leak by explicitly consuming response body (#27)
• out_opentelemetry: Fix buffer handling to support buffered flush modes (#26)
• in_opentelemetry_metrics: add process id in CPU and memory usage
• in_opentelemetry: Ensure request body is closed to prevent socket leaks (#25)
• in_opentelemetry: fix "Errno::EMFILE: Too many open files" error by reusing connection (#23)
• in_opentelemetry: stop the grpc server explicitly
• http_output_handler: Fix HTTP response handling to accept all 2xx success status codes (#13)

Breaking Changes:

• in_opentelemetry_metrics: rename attribute key name with dot separation
• in_opentelemetry_metrics: rename metrics to use dot notation instead of underscores (#28)

[0.4.0] - 2025-10-10

• in_opentelemetry_metrics: Add plugin to support fluentd metrics export (#10)

[0.3.0] - 2025-07-23

• in_opentelemetry: add ${type} placeholder support in tag parameter (#8)
• in_opentelemetry: use String for record keys (#6)

[0.2.0] - 2025-06-26

• Make gRPC sending and receiving optional (#4)
  • To use gRPC sending and receiving, you need to install grpc gem manually.

[0.1.0] - 2025-03-31

• Initial release