Template:Thunderbird contrib release compatibility
| Operating system | Latest stable version | Support status | |
|---|---|---|---|
| Solaris | 11 | 128.11.0esr (x64, SPARC V9) | 2011– |
| 10 and OpenSolaris | 52.9.1 (IA-32, x64, SPARC V9) | 2005–2018 | |
| 8–9 | 2.0.0.24 (IA-32, SPARC V9) | 2004–2010 | |
| HP-UX | 11i v1–v3 | 2.0.0.24 (IA-64, PA-RISC)[1] | N/A |
| FreeBSD (Tier 1) | 13 and later | 140.0.1 (x64, ARM64) | 2021– |
| 12 | 115.6.0 (IA-32) | 2018–2024 | |
| OpenBSD -stable | 7.7 | 128.12.0esr (x64, ARM64, RISC-V) | 2025– |
| 6.9 | 78.14.0 (IA-32) | 2021 | |
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