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subinium / SuperLightTUI Public

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feat: v0.20.0 — features + perf + breaking + v0.19.x patch sweep#239

Merged

subinium merged 71 commits into

mainsubinium/SuperLightTUI:mainfrom

release/v0.20.0subinium/SuperLightTUI:release/v0.20.0Copy head branch name to clipboard

Apr 28, 2026

Conversation Commits71 (71)Checks Files changed

Merged

feat: v0.20.0 — features + perf + breaking + v0.19.x patch sweep#239
subinium merged 71 commits into
mainfrom
release/v0.20.0

Commits

Commits on Apr 28, 2026

feat(buffer): #231 Buffer::snapshot_format() stable styled snapshot

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feat(test-utils): #229 record_frames, #230 sequence, #232 negative asserts

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docs(test-utils): v0.20 demo + CHANGELOG for #229/#230/#231/#232

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refactor(style): unified WidthSpec/HeightSpec — Constraints redesign

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perf: v0.20.0 hot-path fixes — FrameState reuse, wrap String alloc, kitty Vec clone, modal-aware dim

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feat(context): v0.20.0 hooks + focus + Response signals

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feat: v0.20.0 widgets (#212, #213, #223, #224, #235)

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feat: v0.20.0 DX shorthand helpers (#209, #210, #220, #221)

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feat: v0.20.0 Agent 6 — theme override + modal tab trap + spacing activation

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feat: v0.20.0 lib top-level (issues #233, #236, #238)

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merge: agent 1 — test-utils foundation (#229, #230, #231, #232)
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merge: agent 2 — WidthSpec/HeightSpec super-issue #237
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merge: agent 3 — hot-path perf (#204, #205, #206, #228)
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merge: agent 4 — context state/hooks/focus (#208, #215, #216, #217, #218)
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merge: agent 5 — DX shorthand (#209, #210, #220, #221)
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chore: ignore .claude/worktrees/ (cleanup gateway artifact)
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merge: agent 6 — theme + modal (#225, #226, #227)
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merge: agent 7 — widgets (#212, #213, #223, #224, #235)
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fix: remove stray conflict marker in CHANGELOG
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merge: agent 8 — lib top-level (#233, #236, #238)
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fix: remove stray conflict marker after agent 8 merge
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fix: meta-review findings (sentinel dedup, RATIO_GROW_SCALE, quit-path reclaim)
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docs: add API_DESIGN.md — five consistency rules for v0.20+

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refactor(api): v0.20.0 consistency pass on new widgets

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merge: API consistency pass — gauge/line_gauge/breadcrumb builders, f64, GutterOpts
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merge: docs/API_DESIGN.md — API consistency rules + README link
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feat(scripts): add Ghostty demo launcher + v0.20 demo catalog in README

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docs(examples): polish v0.20.0 hooks/focus/theme demos to art-level template

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docs(examples): polish v0.20.0 widget demos to API_DESIGN template

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refactor(examples): polish v0.20 lib + modal demos to art-level template

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docs(examples): polish v0.20.0 test-utils/perf/dx/widthspec demos to art-level template
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merge: demo polish B — hooks/focus/theme demos
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merge: demo polish C — widget demos with new builder APIs
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merge: demo polish D — lib/modal demos
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merge: scripts/ghostty_demos.sh + README v0.20 demo catalog
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merge: demo polish A — test-utils/perf/dx/widthspec demos
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fix: comprehensive review findings (B blocker + C/E nits)
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refactor(api): remove same-release deprecations + Reviewer A nits
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merge: remove same-release deprecations + Reviewer A nits (-189 LoC)
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fix: confirm mouse hit-test ordering + focus_by_name return semantics

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refactor: code cleanup nits — panic helper, gauge dedup, visibility audit

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docs: fix 16 broken intra-doc links + regression_panel render extraction
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test: absorb 6 v0.20.1-deferred test gaps

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perf: use_state_keyed single-clone + split_pane key match hoist

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merge: absorb A — confirm bug + focus_by_name semantics
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merge: absorb D — 6 deferred test gaps
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merge: absorb E — 16 doc-link fixes + regression_panel render extraction
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fix(examples): activate mouse on 9 v020 demos + ASCII title chars
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fix(examples): functional interaction audit on v0.20 widget demos

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fix(examples): functional audit on v0.20 theme + modal demos

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fix(examples): functional audit on v0.20 lib demos + ctrl_c macOS-friendly redesign

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fix(examples): functional interaction audit on v0.20 hooks demos
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fix(examples): functional interaction audit on v0.20 integration demos

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merge: functional audit B — hooks demos
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fix(examples): demo_infoviz unnecessary u32 cast (rust 1.95 clippy)
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fix(examples): perf_regression unnecessary usize cast
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feat: v0.20.0 — final integration (focus eager-attach + chart truncate + demo §2 + 6 tours)

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refactor(widgets-input): rename selected → selected_file (deprecation cycle) (#98)

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feat(widgets-input): textarea undo/redo via Ctrl+Z / Ctrl+Y (#102)

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feat(widgets-display): scrollbar() returns Response for future click/drag handling (#184)

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refactor(container): hide ContainerBuilder::scroll_offset from rustdoc (#149)

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perf(layout): reuse line_segs scratch in wrap_segments (#157)

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fix(widgets-interactive): virtual_list keeps cursor mid-viewport (#192)

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fix(widgets-interactive): calendar h/l now moves day, [/] moves month (#193)

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perf(layout): drain commands Vec in build_tree to reuse capacity (#150)

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feat(flexbox): proportional flex-shrink via opt-in .shrink() flag (#161)
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perf(terminal): per-row hash skip in flush_buffer_diff (#171)

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feat(layout): DebugLayer enum for F12 overlay opt-in (#201)

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chore: post-cherry-pick cleanups for `clippy --examples -D warnings`

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docs(changelog): expand v0.20.0 entry with the cherry-picked fixes + closed-already + v0.21 deferrals

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ci: pin `cargo test` to --test-threads=1 to keep perf-alloc budgets meaningful

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