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8 changes: 8 additions & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,14 @@ adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]

### Added

- Machine-readable per-platform support tiers in
`references/zcode-baseline.json:platform_support`: macOS is a vendor
general-availability download and Ubuntu is NDDev-supported on top of the
vendor Linux beta channel, each with an explicit verified/expiry freshness
window.

## [2.1.2] - 2026-07-10

### Fixed
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7 changes: 6 additions & 1 deletion docs/install.md
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Expand Up @@ -9,7 +9,12 @@
2. **`install`** — builds a clean `~/.zcode` from a setup (config, plugins,
skills). Backs up the current one first.

Both work on macOS (desktop) and Ubuntu (desktop/server).
Both work on macOS (desktop) and Ubuntu (desktop/server). Upstream ZCode
distributes macOS as a general-availability download and Linux only through the
vendor Linux beta group, so NDDev supports the Ubuntu build on top of a vendor
beta channel. The machine-readable per-platform support tiers and their
freshness window are recorded in
`references/zcode-baseline.json:platform_support`.

## Prerequisites

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19 changes: 19 additions & 0 deletions references/zcode-baseline.json
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Expand Up @@ -41,6 +41,25 @@
"official_distribution_base": "https://cdn-zcode.z.ai/zcode/electron/releases",
"artifact_contract": "build/version.json:zcode_download_artifacts"
},
"platform_support": {
"_comment": "Explicit vendor and NDDev support tiers per installer platform with a freshness window. macOS is a vendor general-availability download; upstream ZCode Linux ships only through the vendor Linux beta group, so Ubuntu is NDDev-supported on top of a vendor beta. Re-verify the vendor tiers and refresh verified_at_utc/expires_at_utc before expiry.",
"verified_at_utc": "2026-07-10T00:00:00Z",
"expires_at_utc": "2027-01-06T00:00:00Z",
"platforms": {
"macos": {
"vendor_support_tier": "stable",
"vendor_distribution_channel": "general-download",
"nddev_support_tier": "supported",
"artifact_prefix": "macos"
},
"ubuntu": {
"vendor_support_tier": "beta",
"vendor_distribution_channel": "linux-beta-group",
"nddev_support_tier": "supported",
"artifact_prefix": "linux"
}
}
},
"verified_date": "2026-07-10",
"verified_against": "ZCode app 3.3.4 (build 3.3.4.2877), CLI 0.15.2 config parser and desktop model-selection adapter, all six native distribution artifacts, and the task/session storage layout"
}
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