* perf(epg): render only the timeline programmes near the visible range (J3) Selecting a live channel rendered every programme block of its schedule (about 240 for the Xtream mock) while the stream was starting: about 6,000 of J3's 6,199 renderer.domMutationsToPlaying. The ribbon now renders the blocks, ticks and day dividers within half a viewport of the visible range; the track keeps the full schedule's width, so positions, the scrollbar and scroll-to-now are unchanged. A resize reported before the scroll-to-now must not re-centre the window (it once jumped to the schedule's start and back); resizes only widen it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * test(e2e): sweep the EPG ribbon to see every programme Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * fix(epg): estimate the ribbon window once per channel or mount The live estimate followed the centred day and the 30 s now tick while the ribbon was not yet scrolled: a small scroll across midnight re-centred the window on the next day's noon and left the visible range empty, and the host width was re-read (a forced layout) on every tick. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * test(e2e): keyboard Tab reaches programmes beyond the rendered EPG range Greptile flagged that windowing the ribbon could strand keyboard users at the last rendered block. Focusing a block scrolls it into view, which re-windows before the next key press; the new test walks ten unrendered programmes past the range with Tab and with Shift+Tab, and fails if focus ever leaves the ribbon. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * fix(epg): re-centre the ribbon window in the same pass as a zoom Review follow-up (Codex): a zoom (button, Ctrl/⌘ wheel, coalesced wheel burst) or a group expansion changed the scale before the anchored scrollLeft landed on a later frame, so the window was the previous centre at the new scale until the next scroll event re-measured it. The ribbon could flash empty or show the wrong section. The zoom controller now hands the window the minute its anchored scroll will centre, and a group expansion the group's centre, together with the new scale (TimelineWindowController.centreOnMinute). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * fix(epg): window the scroll position a zoom can actually reach Review follow-up (Greptile, Codex): a zoom-out anchored right of centre at the ribbon's start computed a negative scroll position. The window centred on it, the browser kept scrollLeft at 0, and with the position unchanged no scroll event re-windowed, so the visible right-hand part stayed empty. The centre now uses the position clamped at 0, and once the frame applies scrollLeft the window re-centres on what the browser kept, which also covers the clamp at the end of the track. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * fix(epg): close the programme popover when the window drops its block Review follow-up (Codex): the ribbon window can remove a focused narrow block on scroll, and a removed node fires no focusout, so the fixed tooltip kept showing a programme no longer on screen. The popover is now a linkedSignal over the rendered items that keeps its state only while its block (by key) is still rendered. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * fix(epg): re-measure the ribbon window when the axis origin moves Review follow-up (Codex): a time offset that carries the first programme across midnight moves the axis origin and every track position while scrollLeft and the ribbon stay put, so no scroll event fires and the window kept its epoch-time centre at a different pixel position. The window identity now includes the axis start; when only that changes, the viewport is measured from the ribbon instead of re-estimated. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: 4gray <fourgray@proton.me> Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Release notes (.changes/)
Every PR with a user-visible change drops one file here describing that change
in plain language. At release time
tools/release/build-release-notes.mjs turns the accumulated files into the
GitHub release body, the CHANGELOG.md section, a blog-post scaffold for
the website, and Telegram/Reddit announcement drafts — then deletes them.
The point is to write the note while the context is still fresh, instead of reconstructing three months of work from commit titles at release time.
File
Name it <area>-<short-slug>.md, e.g. .changes/playback-up-next-rail.md.
---
type: feature
area: playback
issues: [1187]
screenshot: up-next-rail
highlight: Up Next rail
---
Series now show an "Up Next" rail beside the player on wide windows: the rest
of the current season, watch progress, and click-to-play inline.
| Field | Required | Value |
|---|---|---|
type |
yes | breaking, feature, fix, perf, or internal |
area |
yes | lowercase slug, same as the conventional-commit scope |
issues |
no | issue numbers this closes — [1187] or 1187 |
screenshot |
no | slug from tools/release/screenshots.manifest.json |
highlight |
no | short headline (max 60 chars) marking a release highlight |
There is no version field. The release version is chosen deliberately at release time, not derived from these files.
You never write a PR number: the generator resolves it from the commit that added the file.
Writing the body
One to three sentences, present tense, written for a user, not a reviewer. The body is capped at 400 characters — depth belongs in the blog post.
-
❌ "Refactor
WebVideoControlsAdapterto hoist volume state into the session" -
✅ "The player now remembers volume between episodes"
-
❌ "Fix off-by-one in
resolveEnrichmentSeasonNumber" -
✅ "Series whose title carries a season marker no longer show the wrong season"
highlight marks the change as one of the release's headline features and
gives it a short, poster-worthy name. The 60-character cap keeps it roughly to
one line on the hero card; card text wraps by estimated width, so a headline of
unusually wide glyphs may still wrap or ellipsize rather than overflow. Highlights lead the Telegram/Reddit
announcements (everything else collapses into a "+N more" counter) and open the
blog scaffold: a row in its "What changed" table and a ## section ahead of
the themed sections, while fixes without a highlight collapse under a spoiler
there. Set it on the two or three
changes worth announcing — a release where everything is a highlight has none.
Not allowed on type: internal.
type: internal records invisible maintenance. Internal notes stay collapsed in
CHANGELOG.md, are omitted from the blog scaffold, and are removed from the
authored public GitHub body by
extract-changelog-section.mjs --public. GitHub's generated commit list remains
separate. An internal-only release can therefore have an empty authored body.
When a note is not needed
The gate auto-exempts website, E2E and mock-server apps, *.spec.{js,ts},
*.e2e.{js,ts}, snapshots, any /testing/ path, and Markdown. For other
test-only, documentation, CI/workflow, or pure-refactor changes under
apps//libs/, apply no-release-note when no user-visible note is warranted.
Commands
pnpm run release:notes:validate
pnpm run release:notes:github
pnpm run release:notes:changelog
pnpm run release:notes:blog
pnpm --silent run release:notes:telegram
pnpm --silent run release:notes:reddit
node tools/release/build-release-notes.mjs --consume
The release version comes from the root package.json — bump it first, then
generate. --version 0.24.0 overrides it to preview a release before the bump:
pnpm run release:notes:github --version 0.24.0
A bare -- separator is accepted and ignored, so the npm habit of
pnpm run release:notes:github -- --version 0.24.0 works too: pnpm forwards
that separator to the script rather than consuming it the way npm does.
--validate, --format github, --format telegram, and --format reddit
only read and print. --format changelog and --format blog write their
target file (rerunning changelog for the same version replaces that section
rather than duplicating it). Only --consume deletes anything.
The announcement formats print paste-ready posts to stdout, each guaranteed
to fit its platform's limit: Telegram plain text within 4096 characters,
Reddit markdown within 40,000, with a suggested post title on the first line.
Whatever does not fit collapses into a counter; a breaking change is never
collapsed, and if the highlights alone will not fit, the render fails with an
actionable error rather than shipping a post that cannot be submitted. Use pnpm --silent run for these two —
plain pnpm run prints its lifecycle banner to the same stdout, so a
redirected post starts with two lines of build noise. Render and save them
before
--consume — the changelog keeps the entries, but the highlight: metadata
lives only in the note files. Publishing is manual; nothing posts anywhere.
An internal-only release has nothing to announce: both formats then print an
explanation on stderr, leave stdout empty, and exit 0 — the same shape
extract-changelog-section.mjs --public uses for its empty public body.
The release sequence is: bump the version → release:notes:changelog →
release:notes:blog → release:screenshots → release:notes:telegram /
release:notes:reddit → release:cards:generate → --consume → commit → tag
→ push → release:verify:draft. Everything reading highlight: comes before
--consume, because that step deletes the only copy of it. Full contract:
docs/architecture/release-pipeline.md. The tag build then
extracts the new CHANGELOG.md section into the GitHub release body
(tools/release/extract-changelog-section.mjs) and fails the release if
the section is missing — a tag cut without the changelog step cannot silently
ship PR-title-only notes.
The website publishes one post per minor version (v0-18 … v0-22), and
release screenshots live under the matching blog/v0-24/ directory. A patch
release therefore edits the existing post rather than generating a new one, so
--format blog refuses to overwrite unless you pass --force.
Screenshots
pnpm run release:screenshots captures every manifest shot in dark and light
against the built app plus the Xtream mock server — never a real account.
The run is fail-closed: it proves the real ~/.iptvnator/databases directory
(including the SQLite WAL sidecars, checked after Electron exits) was not
touched, launches the app with an allowlisted environment, records and blocks
all non-localhost traffic, scans every frame for external resources and
credential-shaped text, and asserts TMDB enrichment stays disabled. Frames are
staged outside the repository and published only once every shot and every
guard has passed.
Adding a shot for a new feature = one entry in
tools/release/screenshots.manifest.json (plus, if navigation is new, one
named action in tools/release/capture-navigation.ts).
Highlight cards
pnpm run release:cards:generate renders one branded 1200×630 card per
highlight: note (headline, body, and a framed screenshot strip when the note
names one) plus a release hero card — for Telegram/Reddit previews and the
blog hero.jpg. It reads screenshots from the published blog directory, so it
runs after release:screenshots and, like the announcement formats, before
--consume. Output goes to dist/release-highlight-cards/v<version>/, and a
rerun replaces the cards it previously wrote there; copying a card into the
website tree is a deliberate manual act. release:cards:dry-run lists what
would be rendered. A release without highlights still gets its hero card, and
an internal-only release writes nothing — neither is an error.
pnpm nx run electron-backend:build-e2e # once, before capturing
pnpm run release:screenshots # all shots, both themes
pnpm run release:screenshots -- --only dashboard --theme dark
pnpm run release:screenshots -- --release v0-24