This page details defines the support policy for LM-X License Manager , including a list of currently supported versions, the support period for security maintenance, 6.0 and newer. It is intended to communicate the LM-X support period for security maintenance and related compatibility expectations.
Versioning and
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Support Overview
LM-X v6.x is the currently supported major version. Note the following regarding versioning and support for LM-X:releases are supported individually for 2 years from their general release date.
- Each generally released LM-X version receives 2 years of security maintenance from its release date.
- Supported
- LM-X v6.x is supported for security maintenance
- Older supported LM-X versions receive security fixes only.
- LM-X v6.x support ends 12 months after LM-X v7.0 is officially released
- After that date, LM-X v6.x will be unsupported even if some versions remain operational in existing deploymentsAfter the 2-year support period ends, the release becomes operational but unsupported even if it still remains functional in an existing deployment.
Customers are expected to use stay on the latest available LM-X release within the supported major version whenever possible. Earlier releases in the same major version may remain supported during their 2-year support period, but they are not the recommended target for new deployments or long-term operation.
Compatibility
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Rules
At X-Formation makes , we make every effort to ensure that existing deployed software continues to work with newer LM-X license servers, and that older license files can be read by newer license servers during the supported lifetime of the relevant LM-X releases.
LM-X is designed for backward compatibility by ensuring:
- Older older LM-X license files can be read by newer LM-X license servers
- Older older LM-X clients can work with newer LM-X license servers
- Existing existing deployed applications are expected to continue to work working when LM-X is upgraded within the supported major versionline
LM-X does not support future compatibility; therefore:
- A a newer LM-X client is not expected to work with an older LM-X license server
- A a newer LM-X license file is not expected to work with an older LM-X deployment
When upgrading LM-X, note the following:
- Existing existing deployed client applications and existing license files are expected to continue working with newer LM-X versions
- New new license files cannot be used by older LM-X applications or older LM-X license servers
- If if floating licenses are distributed, end users may also need to upgrade their LM-X License Server to use newer LM-X licenses
- External external redistributables used by LM-X integrations, such as Java, .NET, or similar bindings, must also be updated to the corresponding newer versions when required
X-Formation may limit or discontinue compatibility in cases where maintaining compatibility would compromise the security of protected applications, deployed systems, or supported LM-X releases.
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Current Supported Versions
The following table shows the LM-X versions currently supported as stated in tracked by this policy.
| Version | Release date | Status | Support note | ||
|---|---|---|---|---|---|
| 6.1 | 2026-05-21 | Supported | Latest released version | in the currently supported major version. | |
| 6.0.7 | 2026-02-20 | Supported | Supported | within LM-X v6.xuntil 2028-02-20 | |
| 6.0.6 | 2025-12-10 | Supported | Supported | within LM-X v6.xuntil 2027-12-10 | |
| 6.0.5 | 2025-10-08 | Supported | Supported | within LM-X v6.xuntil 2027-10-08 | |
| 6.0.4 | 2025-09-11 | Supported | Supported | within LM-X v6.xuntil 2027-09-11 | |
| 6.0.3 | 2025-07-07 | Supported | Supported | within LM-X v6.xuntil 2027-07-07 | |
| 6.0.2 | 2025-06-10 | Supported | Supported | within LM-X v6.xuntil 2027-06-10 | |
| 6.0.1 | 2025-05-29 | Supported | Supported | within LM-X v6.xuntil 2027-05-29 | |
| 6.0 | 2025-04-25 | Supported | Supported | within LM-X v6.xuntil 2027-04-25 | |
| 5.6.4 | 2024-10-23 | Supported | Supported until 2026-10-23 | Not supported | Unsupported as of 2026-04-25 |
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| 5.6.3 | 2024-10-02 | Supported | Supported until 2026-10-02 |
| 5.6.2 | 2024-10-01 | Supported | Supported until 2026-10-01 |
| 5.6.1 | 2024-09-10 | Supported | Supported until 2026-09-10 |
| 5.6 | 2024-07-31 | Supported | Supported until 2026-07-31 |
| 5.5.11 | 2024-07-11 | Not supported |
Unsupported versions and legacy platforms
Unsupported LM-X versions older than v6.x may still function in some environments, but they are considered to be unsupportedoperational but unsupported after their 2-year support period ends.
For unsupported versions, :
- X-Formation does not commit to
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- Providing providing security fixes
- Maintaining X-Formation does not commit to maintaining compatibility with newer components, platforms, or deployment models
- Providing X-Formation does not commit to providing remediation for defects or security issues affecting unsupported releases
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Policy updates
This policy may be updated when a new LM-X major release is published, when supported platforms change, or when security and lifecycle requirements require the LM-X support period to be revised.
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