GerbView 10.21

ODB++ file from customer failed to open.
Added support for Excellon type 2 format step and repeat commands (M25, M01, M02 and M08).
Slots in Excellon drill file had wrong size.
Loading of Excellon drill file from customer did never complete.
ODB++ ZIP file failed to open.
Excellon drill file was loaded with incorrect tool sizes.
Zoom to extents did not show correct area after a layer alignment or move.
Profiles found in ODB++ files are now loaded as a separate layer.
Component layers are now loaded from ODB ZIP files too.
Layers are no longer added to the recently used file list if they are loaded from a ZIP file.

x86/x64

1368 Bezier curves were missing from imported PDF file.
1366 Excellon file from customer failed to load.
1365 Macro pads in Gerber files from customer had incorrect rotation.
1363 Step and repeat with mirroring in an Excellon file were not working correctly and the file had wrong units.
1362 Step and repeat with mirroring in Excellon files were not working correctly.
1348 Arcs were always converted to a polyline during RS-274X export causing files to be very large.

x86-x64

Gerber macro circle primitives in file from customer had wrong rotation.
Excellon file from customer failed to load.

x86-x64

Added option to delete items found on all visible Gerber layers.
Added option to toggle "color adjust" for Gerber on/off.
You can now select a gray tone from black to white color for "unchanged" items during layer compare. This may make it easier to see the changes.
Added an option in the DXF layer dialog to control if this dialog should be displayed each time a DXF is loaded, or not.

x86/x64

Added support /mx and /my parameters to use with the /c conversion parameter (/mx will mirror about x axis and /my will mirror about y axis).
Added support /r90, /r180 and /r270 rotation parameters to use with the /c conversion parameter. These parameters will rotate the output 90,180 or 270 degrees.
Added /q command line parameter. If this is used the splash startup image will not be displayed.
Compare layers will now also work for Excellon, HPGL and DXF.
Added an option to use the extent of all visible layers for Fit to Page print, instead of workspace extents.


x86-x64

Added an option to set maximum size of burn-in markup images. Any image larger than this limit will be scaled down.
Solved Issues:
1501 Added support for OrCAD aperture file format.
1500 Markup image burn-in was inverted.
1494 Excellon drill file was loaded as metric, but corresponding REP file (drill tool definitions) was loaded as inch.
1486 Rectangle apertures with height set to 0.0 were not displayed correctly.
Burn-in of rotated markup image was missing the rotation.
Alpha channel for 32-bit markup images were not handled correctly for burn-in.
Now uses flash commands instead of filled areas for Gerber markup image burn-in.

x86+x64

If a Gerber layer doesn't have any apertures with hole definition, you will now be asked if the tool sizes should be created from the aperture size instead.
You can optionally convert tracks into Excellon slot commands. A new setting was added to enable or disable inclusion of tracks, and it can be found under Settings->Formats->Advanced.
Added a new setting for controlling the resolution (DPI) for the PDF created by saving the comparison result.
Added a new setting to allow Merge Mode to be remembered between sessions.
Information text showing the meaning of the different colors, are now added to the PDF when comparison is saved.
Solved Issues:
1509 One of the Gerber files in a ZIP archive could not be loaded.
1508 Converting two drill layers into a new DXF file caused the layers to be misaligned.
1507 Converting Gerber and Drill layers into a DXF file caused the drill layer to be displaced.
1505 Saving a comparison result of customers files had wrong colors for equal content.
#### Only BMP files up to 64K file size could be imported.
#### Query of Excellon slots will now highlight the whole element.

Added an option to create PNG files with transparent alpha channel (32-bit) instead of filled background (e.g., white) if true color is selected for output. This option is enabled by default.
Solved Issues:
1512 An Excellon file from customer was not detected as a valid drill file.
#### The transparent setting in the Save As Image dialog was not stored between sessions.

ZIP files can now be opened from command line.
ZIP and TGZ files can now be opened using drag and drop.
Solved Issues:
1524 Missing trace elements in DXF file from customer.
1518 Missing ODB++ layer named "drill_non-plated_bottom-top" in file from customer.
1517 Added support GPI37 aperture format.

Vertical mirror option was missing from the Gerber File Property dialog.
Horizontal and vertical mirror option was added to the Excellon File Property dialog.
Solved Issues:
1532 Excellon drill file was not displayed correctly.
1528 Arcs displayed wrong if vertical mirror was activated.
- Markup tab Fill and Draw text were not translatable to other languages.