Skip to content

Switch to ActiveSupport::Notifications.monotonic_subscribe #856

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
SB-khushbum merged 3 commits into from
Apr 13, 2026
Merged

Switch to ActiveSupport::Notifications.monotonic_subscribe #856

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
43818c7
Switch to ActiveSupport::Notifications.monotonic_subscribe
tgwizard Nov 8, 2024
b4d8f52
monotonic_subscribe was introduced in Rails 6.1+, add condition accor…
SB-khushbum Apr 9, 2026
2587164
change entry in CHANGELOG
SB-khushbum Apr 13, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 7 additions & 0 deletions CHANGELOG.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,13 @@
Changelog
=========

## TBD

### Enhancements

* Use `ActiveSupport::Notifications.monotonic_subscribe` for performance improvement on compatible Rails versions
| [#856](https://github.com/bugsnag/bugsnag-ruby/pull/856)

## v6.29.0 (21 January 2026)

### Enhancements
Expand Down
4 changes: 3 additions & 1 deletion lib/bugsnag/integrations/railtie.rb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,9 @@ class Railtie < ::Rails::Railtie
# @api private
# @param event [Hash] details of the event to subscribe to
def event_subscription(event)
ActiveSupport::Notifications.subscribe(event[:id]) do |*, event_id, data|
# monotonic_subscribe was introduced in Rails 6.1+, check if it exists
subscription_method = ActiveSupport::Notifications.respond_to?(:monotonic_subscribe) ? :monotonic_subscribe : :subscribe
ActiveSupport::Notifications.send(subscription_method, event[:id]) do |*, event_id, data|
Comment thread
SB-khushbum marked this conversation as resolved.
filtered_data = data.slice(*event[:allowed_data])
filtered_data[:event_name] = event[:id]
filtered_data[:event_id] = event_id
Expand Down
Loading