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@@ -1,6 +1,28 @@
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ZeroTier Release Notes
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======
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+# 2020-11-19 -- Version 1.6.0
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+Version 1.6.0 is a major release that incorporates back-ported features from the 2.0 branch, which is still under development. It also fixes a number of issues.
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+New features and improvements (including those listed under 1.5.0):
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+ * **Apple Silicon** (MacOS ARM64) native support via universal binary. ZeroTier now requires the very latest Xcode to build.
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+ * **Linux performance improvements** for up to 25% faster tun/tap I/O performance on multi-core systems.
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+ * **Multipath support** with modes modeled after the Linux kernel's bonding driver. This includes active-passive and active-active modes with fast failover and load balancing. See section 2.1.5 of the manual.
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+ * **DNS configuration** push from network controllers to end nodes, with locally configurable permissions for whether or not push is allowed.
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+ * **AES-GMAC-SIV** encryption mode, which is both somewhat more secure and significantly faster than the old Salsa20/12-Poly1305 mode on hardware that supports AES acceleration. This includes virtually all X86-64 chips and most ARM64. This mode is based on AES-SIV and has been audited by Trail of Bits to ensure that it is equivalent security-wise.
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+Bug fixes:
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+ * **Managed route assignment fixes** to eliminate missing routes on Linux and what we believe to be the source of sporadic high CPU usage on MacOS.
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+ * **Hang on shutdown** issues should be fixed.
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+ * **Sporadic multicast outages** should be fixed.
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+Known remaining issues:
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+ * AES hardware acceleration is not yet supported on 32-bit ARM, PowerPC (32 or 64), or MIPS (32 or 64) systems. Currently supported are X86-64 and ARM64/AARCH64 with crypto extensions.
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# 2020-10-05 -- Version 1.5.0 (actually 1.6.0-beta1)
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Version 1.6.0 (1.5.0 is a beta!) is a significant release that incorporates a number of back-ported fixes and features from the ZeroTier 2.0 tree.
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Adam Ierymenko