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Grape instrument causes SystemStackError (infinite recursion) with grape 3.x — instrument ignores the prepend: flag and always uses alias_method

Status: Open.

#621 In scoutapp/scout_apm_ruby;

· Grigore-George-Mihai opened on Jun 25, 2026

Agent starts background threads during app boot — unsafe under forking servers (preload), and fails in thread-constrained processes

Status: Open.

#618 In scoutapp/scout_apm_ruby;

· mitchh456 opened on Jun 22, 2026

Capture parameters in background job errors

Status: Open.

#573 In scoutapp/scout_apm_ruby;

· quinnmil opened on Oct 9, 2025

Dev Trace middleware doesn't adjust_html if Hotwire::Spark is in middleware

Status: Open.

#562 In scoutapp/scout_apm_ruby;

· benngarcia opened on Aug 28, 2025

Support for ActiveSupport::Notifications

Status: Open.

#550 In scoutapp/scout_apm_ruby;

· vojtad opened on May 5, 2025

Instrument without a block?

Status: Open.

#541 In scoutapp/scout_apm_ruby;

· rmosolgo opened on Mar 25, 2025

AutoInstrument background jobs?

Status: Open.

#539 In scoutapp/scout_apm_ruby;

· ibrahima opened on Mar 20, 2025

Runtime Dependencies / Deprecation Warnings / More Visibility into Compatibility

Status: Open.

#537 In scoutapp/scout_apm_ruby;

· nickagliano-st opened on Mar 17, 2025

hang on startup with 5.3.5+ and carrierwave

bug

Instrumentation

Status: Open.

#512 In scoutapp/scout_apm_ruby;

· Roguelazer opened on Oct 29, 2024

Heroku Timeouts Not Being Monitored in Scout APM

Status: Open.

#499 In scoutapp/scout_apm_ruby;

· berniechiu opened on May 7, 2024

Scout Agent Running in Console in Rails 7

Needs Info/ReproThis issue needs more clarification or a minimal reproducible case.This issue needs more clarification or a minimal reproducible case.

Status: Open.

#481 In scoutapp/scout_apm_ruby;

· mabrikan opened on Oct 6, 2023

[BUG] rb_sys_fail_path_in(rb_sysopen, path_coordinator.data)

Status: Open.

#480 In scoutapp/scout_apm_ruby;

· niightly opened on Aug 2, 2023