Zimbra’s Software Development Lifecycle
Zimbra Support follows the Zimbra Software Development Lifecycle (SDLC), so customers can plan long-term change-management decisions and release strategiesSoftware Development Lifecycle Policy.
Zimbra is committed to delivering top performing products, and integral to that is our Software Development Lifecycle (SDLC), which will help us create quality products delivered in a customer-friendly, predictable way. There are two streams in the SDLC: the Standard Release Model and the Longterm Release Model.
- Standard Release Model: This stream of the Zimbra SDLC ensures that our customers and partners have the fastest possible access to new Zimbra product features and enhancements. Beginning with Zimbra Network Edition 8.8.15, we will release a new patch monthly.
- Longterm Release Model: This stream offers a prolonged period of support and maintenance for Zimbra Network Edition. Starting with Zimbra 8.7.11, the latest minor Zimbra release is supported with bi-weekly patches. All patches are cumulative. When Zimbra 8.8.15 reaches end-of-life status, the most current Zimbra Standard Release at that time then becomes our next Longterm Release.
Zimbra Support Lifecycle Policy
Zimbra offers phased support from the general availability of a new Standard Release. Please keep current with product updates to ensure no interruptions in your support services. (Visit the Downloads page for all product updates.)
- General Support will be provided for three years from general availability of a Major Release. Support includes bug and security fixes and technical support services.
- Technical Guidance means the Support Services provided for an additional period following General Support, as set forth in Zimbra’s Support Services Program. Zimbra Support Services will continue to be available for products within the Technical Guidance period; however, there will be no new releases, bug fixes or security patches for products within Technical Guidance. This phase is for usage by customers operating in stable environments with systems that are operating under reasonably stable loads, and this period should be utilized by customers to plan and complete upgrades to a current product version that is available within General Support.
Comparison
General Support | Technical Guidance | |
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Security Fixes | ![]() |
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Critical Bug Fixes | ![]() |
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Non-Critical Bug Fixes * |
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Technical Support |
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Support Portal + Self-Help (Forums, Bugzilla, Wiki) |
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* Based on Zimbra’s’ discretion and customer input within the first two years of General Support.
End of Support Matrix
Comparison
Zimbra Major Release | General Availability | End of General Support | End of Technical Guidance |
Version 10 | Q1 2023 | 12/31/2025 | 12/31/2026 |
Version 9.0 | 04/07/2020 | 12/31/2023 | 12/31/2024 |
Zimbra Standard Release | General Availability | End of General Support | End of Technical Guidance |
Version 8.8.15 (Joule) Long-Term Support | 07/19/2019 | 12/31/2023 | 12/31/2023 |
End of Life | General Availability | End of General Support | End of Technical Guidance |
Version 8.8.12 (Issac Newton) | 04/01/2019 | 12/31/2019 | 06/25/2020 |
Version 8.8.11 (Homi Bhabha) | 12/18/2018 | 6/28/2019 | 12/17/2019 |
Version 8.8.10 (Konrad Zuse) | 10/1/2018 | 03/29/2019 | 10/1/2019 |
Version 8.8.9 (Curie) | 07/09/2018 | 12/14/2018 | 07/09/2019 |
Version 8.8.8 (Turing) | 03/29/2018 | 10/01/2018 | 03/29/2019 |
Version 8.7.11 | 07/13/2016 | 12/31/2019 | 12/31/2020 |
Version 8.6.x | 08/26/2015 | 09/30/2018 | 09/30/2019 |
Upgrade your Cloud Zimbra
Let’s to upgrade your Zimbra Open Source edition either to Cloud Zimbra or Zimbra Network Edition (Paid Subscription), deployed On-Premise.
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