Calendar · By month
What’s shutting down in December 2026
9 things are scheduled to be taken away in December 2026. Closest first — each links to the vendor’s own announcement.
API →11 weeks
OpenAI OpenAI is deprecating three GPT Image generation models — gpt-image-1-mini, gpt-image-1.5 and chatgpt-image-latest — and removing them from the API, directing developers to gpt-image-2
API →11 weeks
Cloudflare The REST DNS Analytics API (/zones/{zone_id}/dns_analytics/) and DNS Firewall Analytics API (/accounts/{account_id}/dns_firewall/{id}/dns_analytics/report) stop working; analytics automation must move to Cloudflare's GraphQL Analytics API
SaaS →11 weeks
remove.bg (Canva) The remove.bg standalone website and its self-service background-removal API stop working; the tool moves into Canva and the API to Leonardo.ai
SaaS →12 weeks
Pulley Pulley, the venture-backed cap table and equity management platform for startups, will shut down and cease all operations and services on 8 December 2026, directing customers to migrate to Carta under an exclusive partnership
OS →12 weeks
Microsoft Azure Microsoft is retiring Azure Linux with OS Guard (preview) as a node pool operating system in Azure Kubernetes Service (AKS). Support ends December 10, 2026, after which no new Azure Linux with OS Guard node pools can be created and existing pools stop receiving node images and security patches; on March 10, 2027 AKS removes the node images entirely. Azure Container Linux is the named replacement.
API →12 weeks
OpenAI OpenAI is removing the dated GPT-5 and o3 model snapshots — gpt-5-2025-08-07, gpt-5-mini-2025-08-07, gpt-5-nano-2025-08-07, gpt-5-pro-2025-10-06, o3-2025-04-16 and o3-pro-2025-06-10 — from the API on 11 December 2026, directing developers to the gpt-5.6 family
Runtime →15 weeks
PHP PHP 8.2 reaches its security end-of-life on December 31, 2026. Active (bug-fix) support already ended December 31, 2024; after the 2026 date the 8.2 branch receives no further releases at all, including security fixes, so applications and container images pinned to `php:8.2` stop getting patched.
SaaS →15 weeks
Standard Notes Standard Notes is sunsetting Listed, its publishing/blogging platform; the site and all public blogs go offline
Runtime →15 weeks