Owner

vyncint

3 indexed repositories · View on GitHub

termlens
Headless end-to-end testing for CLI and TUI apps in Rust: real PTYs, rendered-screen assertions, snapshots, and screen diffs.

Rust · 28 stars
mossaic
Plan, draw, and track GitHub contribution art, with pixel-rendered contribution graphs in your terminal.

Rust · 2 stars
oxidelake
Arrow-native SQL engine in Rust: embedded DataFusion or distributed Ballista, with optional CUDA/Metal acceleration and per-batch CPU fal...

Rust · 1 star

Beginner friendly Everything

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Issues somebody may already be working on are listed last. List everything by date

The art editor and mossaic-glyphs always send truecolour on a dark theme
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bug

Difficulty 2/5 1-3 hours Newbie friendliness 83/100

vyncint/mossaic#143 · Opened Oct 30, 2026

Maintainers usually reply within 1 day
Cell styles: no `--cells` option, and forced pixels in a narrow window draw nothing
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enhancement

Difficulty 4/5 3-5 days Newbie friendliness 56/100

vyncint/mossaic#142 · Opened Oct 30, 2026

Maintainers usually reply within 1 day
An unknown terminal background makes the chart text unreadable on light terminals and Windows
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bug

Difficulty 3/5 1-2 days Newbie friendliness 75/100

vyncint/mossaic#141 · Opened Oct 30, 2026

Maintainers usually reply within 1 day
Terminal replies that arrive after the 250 ms probe are read as keystrokes
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bug

Difficulty 3/5 1-2 days Newbie friendliness 65/100

vyncint/mossaic#140 · Opened Oct 30, 2026

Maintainers usually reply within 1 day
In small windows the way out disappears, and the failure screen offers a key that does nothing
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bug

Difficulty 3/5 1-2 days Newbie friendliness 75/100

vyncint/mossaic#139 · Opened Oct 30, 2026

Maintainers usually reply within 1 day
README's decode example uses `?` on an error that does not convert to `termlens::Error`
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documentation good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

vyncint/termlens#660 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
SKILL.md says `Terminal::record()` refuses an application without DEC 2026; only `Recorder::stop()` does
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documentation good first issue

Difficulty 1/5 Under an hour Newbie friendliness 95/100

vyncint/termlens#659 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Release notes show a broken link: `extract-changelog.sh` copies a reference but not its definition
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

vyncint/termlens#658 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Three CI gate scripts accept the shapes they exist to reject
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bug good first issue

Difficulty 3/5 1-2 days Newbie friendliness 76/100

vyncint/termlens#657 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
CI on `main` drops queued runs, so some merged commits never get their own CI run
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bug

Difficulty 2/5 1-3 hours Newbie friendliness 67/100

vyncint/termlens#656 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Applying the `breaking` label to an open pull request does not re-run the semver gate
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bug

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

vyncint/termlens#655 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
The report action's documented setup breaks in a matrix, and its artifact-dir default only works by coincidence
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documentation good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 83/100

vyncint/termlens#654 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`termlens render` and `diff` read their input without any size bound
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

vyncint/termlens#653 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Plain `termlens diff` output ends with a blank line, and says "1 rows unchanged"
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

vyncint/termlens#652 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`termlens diff missing.snap -` waits for standard input before reporting the missing file
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

vyncint/termlens#651 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`termlens render` and `diff` refuse `--`, so a file named with a leading `-` cannot be passed
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

vyncint/termlens#650 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`ScreenDiff` across different sizes prints rows unclipped, so the columns and the `^` markers misalign
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

vyncint/termlens#649 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Report action: a screen row of three backticks breaks the step summary, and a file name with a newline splits in two
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

vyncint/termlens#648 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Multi-row `find`, `find_all` and `mask_matching` slow down with the needle's height; `contains` does not
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bug good first issue

Difficulty 3/5 1-2 days Newbie friendliness 78/100

vyncint/termlens#647 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Asciicast frames drop the cursor, so players draw it after the last row
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

vyncint/termlens#646 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`to_html` fades a dim run's background too; `to_svg` fades only the text
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

vyncint/termlens#645 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`rect_text` and `mask_rect` panic on an open-ended range that starts past the edge
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

vyncint/termlens#644 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`Screen::parse` refuses text snapshots that 0.11.1 and 0.11.6 wrote
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bug

Difficulty 3/5 1-2 days Newbie friendliness 74/100

vyncint/termlens#643 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
X10 mouse mode (`?9`) sends modifier bits and wheel events, which xterm never does
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

vyncint/termlens#642 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
XTSMGRAPHICS (`CSI ? Pi ; Pa ; Pv S`) is not recognised as a query, so a blocked application is not named
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

vyncint/termlens#641 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Mouse mode 1015 (urxvt) is neither honoured nor reported, and the error blames the legacy encoding
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 77/100

vyncint/termlens#640 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
A kitty `a=q` query is answered where kitty stays silent
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

vyncint/termlens#639 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Sixel decode crops to the declared raster size; xterm keeps what was painted
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

vyncint/termlens#638 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Kitty data padded per chunk fails to decode
Open
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bug good first issue

Difficulty 3/5 1-2 days Newbie friendliness 78/100

vyncint/termlens#637 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
A kitty `a=p` that arrives during a chunked upload is swallowed as the upload's next chunk
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bug

Difficulty 3/5 1-2 days Newbie friendliness 76/100

vyncint/termlens#636 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
A sixel past the capture bound loses its declared size, and the cursor no longer moves past it
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bug

Difficulty 4/5 1-2 days Newbie friendliness 55/100

vyncint/termlens#635 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
A kitty placement with a large `r=`, `c=` or `s=` panics the emulator (u32 overflow)
Open
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

vyncint/termlens#634 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
A failed spawn releases the PTY lock before closing the PTY
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bug

Difficulty 4/5 1-2 days Newbie friendliness 55/100

vyncint/termlens#633 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
A zero timeout makes every send fail with a false "buffer full" while the bytes are delivered
Open
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

vyncint/termlens#632 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`spawn("sub/prog")` of a file that is missing or not executable reports a PATH search
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 83/100

vyncint/termlens#631 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
With SIGCHLD ignored, `Drop` takes 2 s per terminal and signals an already-reaped pid
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bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

vyncint/termlens#630 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Every wait panics on a large timeout ("overflow when adding duration to instant")
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bug good first issue

Difficulty 3/5 1-2 days Newbie friendliness 76/100

vyncint/termlens#629 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`Drop` hangs forever, holding the process-wide PTY lock, when the application left input unread in raw mode
Open
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bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

vyncint/termlens#628 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
After ESC, the sequence tracker drops to ground on a C0 control, where the parser runs it and stays in escape
Open
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 83/100

vyncint/termlens#627 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
A kitty `a=p` placement takes its size from an older transmission when the newest one has none
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

vyncint/termlens#626 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`unsupported()` lists a window title containing `;`, and misses `CSI 4;20 h`
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

vyncint/termlens#625 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Insert-mode output depends on where the PTY splits the input
Open
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bug

Difficulty 3/5 1-2 days Newbie friendliness 78/100

vyncint/termlens#624 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
RIS leaves focus reporting on and an open synchronized update open, so `wait_stable` can never succeed
Open
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bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

vyncint/termlens#623 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
Rows that scroll in the same read that enters the alternate screen are missing from history
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bug

Difficulty 3/5 1-2 days Newbie friendliness 76/100

vyncint/termlens#622 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
`CSI ? 3 J` and `CSI 3:1 J` erase the history termlens has already retained
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bug good first issue

Difficulty 3/5 1-2 days Newbie friendliness 76/100

vyncint/termlens#621 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
A resize round-trip over a soft-wrapped line makes the attribute shadow diverge (debug panic, lost wrap flag)
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bug

Difficulty 4/5 3-5 days Newbie friendliness 57/100

vyncint/termlens#620 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
A VS16 emoji in the bottom-right cell panics the emulator when the row is redrawn
Open
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bug

Difficulty 4/5 3-5 days Newbie friendliness 53/100

vyncint/termlens#619 · Opened Oct 28, 2026

Maintainers usually reply within 1 day
A cursor-position reply builds a whole-screen snapshot, and 0.11.7 doubled its cost in debug builds
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bug

Difficulty 3/5 1-2 days Newbie friendliness 74/100

vyncint/termlens#618 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
Retire the thrift advisory acceptance from deny.toml, SECURITY.md and STATUS.md once parquet >= 59 is in the lock
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dependencies documentation

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

vyncint/oxidelake#54 · Opened Sep 19, 2026

Maintainers usually reply within 1 day
Detect Int64 SUM overflow on the CUDA aggregate path instead of wrapping
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bug

Difficulty 4/5 3-5 days Newbie friendliness 57/100

vyncint/oxidelake#46 · Opened Sep 13, 2026

Maintainers usually reply within 1 day

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