- Outside Windows a `\` stays part of a hidden library's or sent path's
file name; another platform's absolute path is still split on `\`.
- A hidden relative path is matched after leading `./` and `../` parts
only when they start the path, so `/work/./data/icon.svg` keeps its
text.
- `ui.inspect` and `ui.docking` replies are hidden once, so a library
at the top of the file system shows as `loaded/<file name>` with its
separator.
Outside Windows, a path that starts with a drive (`C:`) or a `\` is read
as a name in the working folder, so with the working folder inside a
read root it passed the read check. ui.inspect then kept it in recorded
action steps and replies did not hide it when a request sent it. The
check now counts such a path as outside the read roots wherever the
control channel and the library commands check a path.
A new built-in add-on, Image Tools (Object › Plug-ins › Image Tools),
adds Remove Background… (`addon.image.removeBackground`). It makes the
background of the selected images transparent by lowering the alpha of
their own pixels, in one undo step, with no service or model. The
background is the most common color along the image's edges, the
average of the image's corners, or colors the user picks. Contiguous
(on by default) clears it only where it reaches in from an edge; off,
it is cleared wherever it is. Tolerance and Softness (0 to 100, 10 by
default) set how near a color must be to be cleared and the band over
which pixels fade out. Match measures that nearness as the RGB
distance or as the largest difference on one channel. It is a
VectorCraft addition.
- The image stays an image: an embedded PNG with alpha, the source's
ICC profile and resolution, and 16 bits or gray when the source is.
A linked image is embedded and keeps its Placement Options.
- When the edges hold at least as many clear pixels as pixels of their
most common color, edge mode clears nothing, so a second run leaves
the subject alone. Corner mode leaves clear corners out of the
average and clears nothing when all four are clear.
- With Match set to Each Channel, a tolerance of t / 255 × 100 clears
the colors within t 8-bit steps on every channel.
- A CMYK image, a linked image that shows its preview, an image that
would need more than the decode allowance (checked from its header)
and a result with no pixel left are refused, and the document stays
as it was. When no pixel changes, no undo step is added. The result
reports `cleared`, the pixels made fully clear.
- Picked colors are hex colors, with or without `#`, or black, white,
red, green or blue.
- The dialog opens with Preview off; with Preview on, the canvas shows
the result, and Cancel puts the image back. While the dialog
previews, the session keeps the images' decoded pixels (at most
128 MiB, 32 MiB in the web app) so each preview step does not decode
them again, and releases them when the dialog closes with OK or
Cancel. A run that is not a preview step keeps nothing.
Docs: docs/mcp.md (Image Tools add-on), docs/target-app-parity.md.
A library loaded from outside a confined client's read roots keeps its
`loaded/<file name>` id for the session, in ui.inspect, ui.docking and
the library commands, so an id taken from an earlier reply still finds
the same library after another library with the same file name is
loaded. swatch.library.copyToUser leaves out `path` when the file is
outside the read roots, as the saves do.
The ids come from the engine's concealed_library_ids, which now reads a
path written with either separator, counts another platform's absolute
path as outside the roots, and keeps each id in the session.
Paragraph justification can move point text past the canvas limit even when character copying is disabled. Check those targets before keeping the edit or remembered sample, and cover the explicit-target case with a regression.
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