ZeroTierOne

v1.16.2 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 6d Network Security

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

decentralization networking peer-to-peer sd-wan sdn virtual-network

+1 more

vpn

Summary

AI summary

Increased ZT_MAX_NETWORK_SPECIALISTS limit to accommodate larger networks.

Type	Severity	Summary	CVE
Feature	Medium	Increased ZT_MAX_NETWORK_SPECIALISTS from 256 to 512, raising config dictionary capacity. Increased ZT_MAX_NETWORK_SPECIALISTS from 256 to 512, raising config dictionary capacity. Source: llm_adapter@2026-05-29 Confidence: high	—
Bugfix	Medium	Fixed line endings for zttap300.inf on Windows ARM x64 install. Fixed line endings for zttap300.inf on Windows ARM x64 install. Source: llm_adapter@2026-05-29 Confidence: high	—
Bugfix	Medium	Resolved intermittent multi-minute delays when switching networks on Windows. Resolved intermittent multi-minute delays when switching networks on Windows. Source: llm_adapter@2026-05-29 Confidence: low	—
Refactor	Low	Updated central controller (CV1) schema and added multi-architecture Docker build pipeline. Updated central controller (CV1) schema and added multi-architecture Docker build pipeline. Source: granite4.1:30b@2026-05-29-audit Confidence: low	—

Full changelog

Fixed line endings for the zttap300.inf for the Windows ARM x64 install.
Internal updates to the central controller (CV1) including schema changes and a multi-architecture Docker build pipeline.
Increased ZT_MAX_NETWORK_SPECIALISTS from 256 to 512 to accommodate users with large networks that exceeded the previous limit. The network config dictionary capacity was raised correspondingly.
Resolved intermittent multi-minute delays when leaving one network and joining another under Windows.
Compiler warning cleanup across the codebase, covering GCC 14, Clang 18, and Clang 21.

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About ZeroTierOne

A Smart Ethernet Switch for Earth