SnowDriven Research · Deadlines

Every support deadline we track.

14 end-of-support dates for .NET, .NET Framework, PHP, Windows Server and SQL Server, each checked against the vendor’s own lifecycle page. As of 20 October 2026, 5 have passed; the next is .NET 8 and .NET 9, on 10 November 2026.

Dates
14
Passed
5
Next
10 Nov 2026
Verified
7–20 Oct 2026
Updated
20 Oct 2026
Next
: .NET 8 and .NET 9 (end of support).
After that
: PHP 8.2 (end of security support).
Most recently ended
Windows Server 2012, end of Extended Security Updates, on .
Furthest out
SQL Server 2016, end of Extended Security Updates, on .
Sources
The vendors’ own lifecycle pages, cross-checked with endoflife.date. Verified 7–20 October 2026; each row shows its own day.
Take it with you
Calendar (.ics) · JSON · CSV · about the data

The deadline table

Soonest first. Each row has a permanent link: select the # beside its name to copy it.

Every support deadline, soonest first, with status, what ends, what to move to, and the primary source
ProductStatusDateWhat endsMove toSource
2025
PHP 8.1#Last release 8.1.34EndedEnd of security supportThe project stops releasing security fixes for this branch.PHP 8.4 (security fixes to 31 Dec 2028) or 8.3 (to 31 Dec 2027)PHP unsupported branchesVerified
2026
SQL Server 2016#Extended Security Updates run to 17 Jul 2029EndedEnd of extended supportMicrosoft’s security updates under extended support stop.Extended Security Updates run to 17 Jul 2029; plan a supported SQL ServerSQL Server 2016 lifecycleVerified
Windows Server 2012#Extended Security Updates, year 3EndedEnd of Extended Security UpdatesThe last security updates Microsoft offers for this version stop.A supported Windows Server, such as 2022 (security updates continue to 14 Oct 2031)Windows Server 2012 lifecycleVerified
Windows Server 2012 R2#Extended Security Updates, year 3EndedEnd of Extended Security UpdatesThe last security updates Microsoft offers for this version stop.A supported Windows Server, such as 2022 (security updates continue to 14 Oct 2031)Windows Server 2012 R2 lifecycleVerified
Windows Server 2022#Security updates continue to 14 Oct 2031EndedEnd of mainstream supportNo new features or non-security fixes; security updates continue until extended support ends.Nothing yet: security updates continue to 14 Oct 2031Windows Server 2022 lifecycleVerified
.NET 8 and .NET 9#ASP.NET Core and EF Core 8 and 9Read the guide: .NET 8 and .NET 9 Ending soonEnd of supportThe vendor stops releasing updates, security fixes included..NET 10, the long-term support release (to 14 Nov 2028).NET support policyVerified
PHP 8.2#Security fixes onlyRead the guide: PHP 8.2 Ending soonEnd of security supportThe project stops releasing security fixes for this branch.PHP 8.4 (security fixes to 31 Dec 2028) or 8.3 (to 31 Dec 2027)PHP supported versionsVerified
2027
.NET Framework 4.6.2#4.7 and later follow WindowsRead the guide: .NET Framework 4.6.2 Ending soonEnd of supportThe vendor stops releasing updates, security fixes included..NET Framework 4.8.1 or 4.8 (supported as long as their Windows), or .NET 10.NET Framework lifecycleVerified
Windows Server 2016#Extended support, every editionRead the guide: Windows Server 2016 Ending soonEnd of extended supportMicrosoft’s security updates under extended support stop.A supported Windows Server, such as 2022 (security updates continue to 14 Oct 2031)Windows Server 2016 lifecycleVerified
SQL Server 2014#Extended Security Updates, year 3UpcomingEnd of Extended Security UpdatesThe last security updates Microsoft offers for this version stop.See the vendor’s pageSQL Server 2014 lifecycleVerified
PHP 8.3#Security fixes onlyUpcomingEnd of security supportThe project stops releasing security fixes for this branch.PHP 8.4 (security fixes to 31 Dec 2028)PHP supported versionsVerified
2028
.NET 10#Long-term support releaseUpcomingEnd of supportThe vendor stops releasing updates, security fixes included.See the vendor’s page.NET support policyVerified
PHP 8.4#Active support to 31 Dec 2026UpcomingEnd of security supportThe project stops releasing security fixes for this branch.See the vendor’s pagePHP supported versionsVerified
2029
SQL Server 2016#Extended Security Updates, year 3UpcomingEnd of Extended Security UpdatesThe last security updates Microsoft offers for this version stop.See the vendor’s pageSQL Server 2016 lifecycleVerified

Dates are the last supported day, as a US calendar day: Microsoft lists each end as early the next morning in UTC. A date counts as passed from the following day, New York time. How we verify

Take the dates with you

The same rows, generated from the same table on every deploy.

Primary sources · verified 7–20 October 2026

About this page

Updated
Verified
7–20 Oct 2026

Cite this page

SnowDriven. “Every support deadline we track.” SnowDriven Research. https://snowdriven.com/research/deadlines/ (last updated 20 October 2026).

One click or tap selects the whole citation, ready to copy.

About these dates

Each date is the vendor’s own, copied from its lifecycle page and checked on the day shown. Vendors can move dates without notice, and our copy can fall behind or contain mistakes, so confirm with the vendor before you rely on a date for a decision, contract or compliance deadline. Information only, provided as is (terms). Reuse: free to download and quote, with credit to SnowDriven and a link (terms of use).

Start a project

Running something on this list? Plan the move.

A modernization audit finds every runtime, framework and server you depend on, ranks the risks and plans the move in stages, so a date is a milestone, not a surprise.

Pittsburgh, PA · Since 2015 · First step: a 30-minute call