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All Roaming Client and Relay software must stay on supported versions. Because DNSFilter is a cloud-delivered service, keeping agents current maintains security, compatibility, and reliable operation. This policy defines how DNSFilter determines version support, how end-of-life (EOL) versions are handled, and what customers and partners can expect.
Under this policy, admins are expected to:
- Keep deployments on the supported versions
- Upgrade any EOL versions before contacting DNSFilter Support
- Expect Support to request upgrades to the latest release because patches and fixes are delivered only in that release
- Expect notice only for major deprecations, not for routine version retirements
Current supported versions
The following table lists agent versions and supported operating systems for each platform.
| Platform | Supported agent versions | EOL agent versions | Supported OS |
|---|---|---|---|
| Windows | 2.2.1 and newer | 2.0.10 and older | Windows 10 or newer with .NET Framework 4.8.1 or newer; Server 2016 or newer (Relay only) |
| macOS | 2.2.0 and newer | 1.x | Sequoia (15), Tahoe (26), Golden Gate (27) |
| iOS | 1.0.8 and newer | 1.0.7 and older | iOS 18 or newer |
| Android | 1.19.0 and newer | 1.18.0 and older | Android 13 or newer |
| ChromeOS | 3.0 and newer | 2.4.1 and older | ChromeOS |
| DNS Relay | 1.2.0 and newer | 1.1.9 and older | Not applicable (no OS dependency) |
Support levels
Supported versions
- Eligible for best-effort diagnosis and troubleshooting by DNSFilter Support
- Expected to remain current to ensure continued protection
- The only versions that receive patches, bug fixes, and security updates
- Subject to upgrade requests during issue resolution, even when still supported
End-of-life (EOL) versions
- Not eligible for DNSFilter Support
- Must be upgraded to a supported version before assistance is provided
- Do not receive patches, bug fixes, or compatibility updates
Routine lifecycle and major deprecations
Routine version EOL
- Older versions are retired when they fall behind the minimum supported threshold
- No formal notice period is guaranteed
- Customers are expected to upgrade regularly
Major deprecations
DNSFilter provides at least 60 days’ notice when either of the following applies:
- An entire platform, such as Android or ChromeOS, is discontinued
- A new dependency, such as a .NET version, removes support for an OS that its vendor still supports
Note: DNSFilter sends notice of major deprecations by email and in-product messaging.
Alignment with OS vendor schedules
DNSFilter aligns support with operating system vendor lifecycles. For example, when Microsoft ended support for Windows Server 2012, DNSFilter also ended support for the Roaming Client and Relay on that OS.
In some cases, DNSFilter may end support for a client earlier when new dependencies require it.
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