The calendar
What’s being taken away, and when
24 entries, closest to the horizon first. Each links to the vendor’s own announcement.
Within 30 days · 11
Act now if you depend on these.
SaaS →1 day
Amazon Web Services SageMaker Model Monitor stops accepting new customers and enters maintenance-only mode — no new features
SaaS →2 days
Datadog CoScreen, the multi-cursor screen-sharing tool Datadog acquired, is discontinued entirely
Runtime →2 days
MongoDB MongoDB 8.2 reaches end-of-life
Runtime →2 days
RabbitMQ RabbitMQ 4.2 stops receiving free community releases
API →2 days
Adobe Adobe retires the Lightroom API (Firefly Services), directing users to Photoshop API v2
Runtime →11 days
Ruby on Rails Rails 7.2 stops receiving security patches — the end of its two-year maintenance window
Browser →11 days
OpenAI The standalone ChatGPT Atlas browser stops working; agentic browsing folds into ChatGPT
API →14 days
Stripe A legacy payments API is retired in favour of a newer one
sample
SaaS →17 days
Relay.app The Relay.app workflow-automation service closes, on two dates: free accounts first, paid accounts a month later
API →20 days
Google Google will sunset the Content API for Shopping on 18 August 2026, replacing it with the newer Merchant API
API →28 days
OpenAI OpenAI has deprecated the Assistants API and will remove it from the platform on 26 August 2026, directing developers to the newer Responses API
Next six months · 5
On the horizon — plan the migration.
API →33 days
New Relic New Relic will shut off its NRQL Drop Filter Rules API on 31 August 2026, moving drop-rule management to the Pipeline Cloud Rules API and the Pipeline Control UI
Library →40 days
OpenSSL OpenSSL 3.0, the current long-term-support branch, stops receiving fixes
OS →11 weeks
Microsoft Windows 11 24H2 stops receiving updates on Home, Pro, Pro Education and Pro for Workstations
Runtime →16 weeks
Node.js An LTS release line reaches end-of-life
sample
API →25 weeks
OpenAI OpenAI has deprecated a family of older audio, realtime, and speech-to-text API models — including gpt-realtime, gpt-audio, and the gpt-4o audio/realtime line — and will remove them from the API on 20 January 2027
Date not announced · 3
Signalled, no firm date. Watch these.
Runtime · signalled ·not announced
Python Python 3.10 stops receiving security fixes
Library ·not announced
Mongock Mongock, the Java/Spring change-management tool for MongoDB, stops feature development now and reaches end-of-life at the end of 2026; its makers point users to a successor, Flamingock
Feature ·not announced
JetBrains JetBrains will stop maintaining Kotlin Notebook as a product: from IntelliJ IDEA 2026.2 it is unbundled and gets no new features, and no compatible plugin will be published for 2026.3 and beyond; the source moves to open source
Already gone · 5
The permanent record.
SaaS ↙gone
Google Google Reader was shut down
Runtime ↙gone
Python Python 2.7 reached end-of-life
Feature ↙gone
Adobe Adobe Flash Player reached end-of-life
OS ↙gone
CentOS / Red Hat CentOS Linux 7 reached end-of-life
Feature ↙gone