Heroku

entries: 43
incidents: 43
shutdowns: 0
years: 2010–2025
Most recent: Issue with uneven routing distribution, 2025-07-18.

When was the most recent Heroku incident?

The most recent documented Heroku incident on postmortem.io is "Issue with uneven routing distribution", from Jul 18, 2025.

How many Heroku incidents are documented on postmortem.io?

postmortem.io has 43 documented Heroku incidents, spanning 2010 to 2025.

How many Heroku incidents were there in 2025?

2 incidents from Heroku are documented for 2025.

What are the most common causes of Heroku incidents?

The most frequently tagged themes across Heroku's incidents are: outage, networking, database, dyno.

43 entries from Heroku · newest first

2025-07-18Incident
Issue with uneven routing distribution
Herokuoutage, routing, load-balancing
status page
2025-06-10Incident
Summary of Heroku June 10 Outage
Herokuoutage, infrastructure, networking +3 more tags
company blog
2024-10-08Incident
Routing failures on Common Runtime, EU region
Herokuoutage, ddos, routing +1 more tags
status page
2023-06-08Incident
Issues with Heroku API, Dashboard, and CLI
Herokuoutage, database, postgres +3 more tags
status page
2023-03-16Incident
Platform API Outage
Herokuoutage, api, networking +1 more tags
status page
2022-08-15Incident
Degraded availability
Herokuoutage, routing, autoscaling +3 more tags
status page
2022-04-22Incident
Issues with Dyno Restarts, Builds, Releases and Heroku CI
Herokuoutage, logging, dyno +1 more tags
status page
2022-04-13Incident
April 2022 Incident Review
Herokuoutage, security, breach +4 more tags
company blog
2021-09-30Incident
Missing Metrics, Heroku Connect Dashboard Unavailable
Herokuoutage, ssl, logging +1 more tags
status page
2021-09-27Incident
Database availability issues
Herokuoutage, database, postgres +2 more tags
status page
2021-09-17Incident
Issue accessing common runtime applications in EU Region
Herokuoutage, routing, networking
status page
2021-09-01Incident
Issues with release phase, Heroku CI, app setups, and Review apps
Herokuoutage, deployment, ci +1 more tags
status page
2021-07-20Incident
Dynos not starting
Herokuoutage, dyno, deployment
status page
2021-04-27Incident
Authentication Errors
Herokuoutage, authentication, mfa +1 more tags
status page
2021-03-25Incident
API issues
Herokuoutage, api, dns +1 more tags
status page
2021-02-10Incident
API Issues
Herokuoutage, api, networking
status page
2020-09-03Incident
How I Broke git push heroku main
Herokuoutage, git, deployment +2 more tags
company blog
2020-04-22Incident
API Issues
Herokuoutage, api, redis +1 more tags
status page
2020-03-03Incident
EU Dyno Errors
Herokuoutage, dyno, deployment
status page
2019-10-31Incident
Delay in Dyno Booting and Release Phase Tasks
Herokuoutage, dyno, deployment +2 more tags
status page
2019-08-31Incident
Widespread Platform Issues
Herokuoutage, dyno, database +1 more tags
status page
2018-05-31Incident
Platform-wide Outages
Herokuoutage, database, postgres +1 more tags
status page
2018-01-10Incident
Missing application logs in drains
Herokuoutage, logging, aws +1 more tags
status page
2017-11-02Incident
Postgres, Kafka, Redis Availability
Herokuoutage, database, postgres +3 more tags
status page
2017-10-31Incident
Dyno Management and Build Availability
Herokuoutage, dyno, deployment +1 more tags
status page
2017-04-05Incident
Increased rate of "H10 App Crashed" errors
Herokuoutage, routing, config-error +1 more tags
status page
2017-02-28Incident
Platform Outages
Herokuoutage, aws, s3 +3 more tags
status page
2017-02-15Incident
How We Found and Fixed a Filesystem Corruption Bug
Herokuoutage, filesystem, dynos +3 more tags
company blog
2017-02-02Incident
Dyno filesystem permission problems
Herokuoutage, dyno, filesystem +3 more tags
status page
2016-12-15Incident
EU Region Network Latency
Herokuoutage, dns, aws +1 more tags
status page
2016-10-21Incident
Issues with DNS resolution
Herokuoutage, dns, ddos +1 more tags
status page
2016-08-11Incident
Increased routing latency in the EU region
Herokuoutage, routing, networking +1 more tags
status page
2016-08-11Incident
Latency Incident Report: Socket Bind Before Connect
Herokuoutage, routing, networking +3 more tags
company blog
2015-09-20Incident
Elevated Build and API Error Rates
Herokuoutage, aws, dynamodb +2 more tags
status page
2015-02-03Incident
Elevated Error rates
Herokuoutage, dyno, monitoring +1 more tags
status page
2014-06-23Incident
Dynos Unable to Start
Herokuoutage, dynos, redis +2 more tags
status page
2014-06-03Incident
API and Build Issues
Herokuoutage, api, database +2 more tags
status page
2013-09-04Incident
API issues
Herokuoutage, api, database +2 more tags
status page
2012-12-24Incident
ssl:endpoint unavailability
Herokuoutage, ssl, aws +1 more tags
status page
2012-06-29Incident
Widespread Application Outage
Herokuoutage, aws, ec2 +3 more tags
status page

When was the most recent Heroku incident?

How many Heroku incidents are documented on postmortem.io?

How many Heroku incidents were there in 2025?

What are the most common causes of Heroku incidents?

No entries in this list