New Features / Improvements

• The canvas can now be scrolled horizontally by holding Shift while using the mouse wheel (#141)
• The primary and secondary palette colors can now be swapped by pressing X (#147)
• Added a more user-friendly dialog when attempting to open an unsupported file format (#143, #1856821)
• Zooming in and out can now be done without pressing the Ctrl key (#150)
• Arrow keys can be used to move by a single pixel in the Move Selected Pixels and Move Selection tools (#1906141)
• Shift can now be used to constrain to a uniform scale when scaling using the Move Selected Pixels tool (#138)
• The About dialog now allows easily copying the version information to the clipboard for use when reporting bugs (#1924249)

Changes

• Fixed inconsistent behavior when switching between tools that share the same shortcut, such as the selection tools (#144, #1558767)
• Improved error messages when the user does not have read or write permissions for a file (#1715150)
• The appdata file is now installed to `/usr/share/metainfo` instead of the legacy path `/usr/share/appdata` (#186)
• Tooltips for tabs now show the full file path instead of only the file name (#187)

Bug Fixes

• Fixed a bug where Auto Crop could incorrectly remove an additional pixel on the bottom and right side of the image. (#1191390)
• Fixed a bug where drawing a single pixel with the Pencil tool used black instead of the palette color (#1897245)
• Fixed issues with the zoom controls when using a French locale (#1464855)
• Fixed invalid URLs in `pinta.appdata.xml` (#140, #145)
• Added missing release notes to `pinta.appdata.xml` (#142)
• Fixed a regression introduced in Pinta 1.7 that could produce blurred pixels when using the Move Selected Pixels tool (#1904304).
• Fixed a bug where the Rotate / Zoom Layer dialog could leave the layer in a state where all future actions were also transformed (#1905176).
• Fixed a bug where the document might not be marked as modified after certain undo / redo actions (#1905165).
• Fixed a bug where the Move Selected Pixels tool did not handle transparent pixels correctly (#1905706).
• Fixed a bug where deselecting via a single click in the select tool could cause bugs with undoing earlier history items (#1905719).
• Fixed a bug where the initial corner of a rectangle shape could be cut off (#1922470).
• Fixed a bug where the text tool was not correctly clipped against the selection (#1910511).
• Improved handling of memory allocation failures for large images (#776346).
• Fixed a bug where the shape tools did not redraw after changes to the fill style until the cursor entered the canvas (#1937921).
• Fixed a crash when opening an invalid palette file (#146, #1890450).

New Features / Improvements

• Added a tab view to switch between images. The tabs can also be docked side-by-side or pulled into new windows. (#94).
• The Rotate / Zoom dialog now supports zooming and panning (#1252756).
• Added a Smooth Erase tool, which is enabled using the Type menu on the Erase tool's toolbar (#110).
• The Pencil tool can switch between different blend modes (#124, #1688743).
• Added support for JASC PaintShop Pro palette files (#126).
• The transform tools can now rotate in fixed increments by holding Shift (#134).
• The Move Selected tool can now scale by holding Ctrl (#138).
• Dragging and dropping a URL (e.g. image from a web browser) to download and open the image is now supported (#80, #644123).
• Performance improvements when interacting with selections, particularly for large images (#1428740).
• The Rectangle Select tool now shows different arrow cursors at each corner of the selection (#1188143).
• A new user guide has been written for the Pinta website! Thanks to @jeneira94, @akaro2424, and @anadvu for their contributions!

Changes

• UI improvements to the New Image dialog (#99, [1424547).
• The Rotate / Zoom dialog now rotates in-place instead of changing the layer's size.
• Cairo blend operations are now used instead of PDN's managed blend modes (#98, #1248933, #1091910).
• The tool windows can now only be closed with the View -> Tool Windows menu, as it was easy to accidentally close them without knowing how to recover them (#1428720).
• The shortcut for the Intersect selection mode is now Alt + Left Click instead of using Shift, which had caused conflicts with holding Shift to constrain the selection to a square (#1426660).

Bug Fixes

• Fixed many issues where selection changes did not update correctly (#1438022, #1188924, #1429830, #1098137, #105).
• Fixed incorrect behaviour when using the Shift key to constrain to a square or circle in the Rectangle and Ellipse tools (#1452607).
• The option to expand the canvas when pasting an image now only changes the canvas size in the dimension where the pasted image is larger (#1883623).
• Fixed a bug where Auto Crop used the current layer instead of the entire image when deciding what to crop, and takes the selection into account (#1434928, #1434906).
• Fixed potential crashes when switching tools without any open documents (#1425612).
• Fixed a potential bug where the OK button in the New Image dialog could be incorrectly disabled (#1430203).
• Fixed a crash when clicking on the Open Images pad after closing all images (#1430789).
• Fixed a bug where the Levels dialog closed unexpectedly when clicking on one of the color checkboxes (#1435045).
• The outline width settings on the Text Tool''s toolbar now only show up if they are relevant to the stroke style being used (#1426663).
• Fixed a potential crash creating gradients (#1446217).
• Fixed issues where the selection handles disappeared after pressing Delete (#1424629).
• Fixed several transparency-related issues with premultiplied alpha (#109, #113, #114, #117, #125).
• Corrected display problems in the Move Selected Tool and live previews for effects (#115).
• Add-ins can now load icons correctly (#116).
• Fixed strange behaviour when the width or height of a drawn rounded rectangle is 0 (#112).
• Fixed issues with the text tool on OSX (#1425749).
• Fixed inconsistent labels in the UI (#1579033).
• Fixed issues with the zoom tool under certain locales (#139, #133, #1464855).
• Fixed issues when drawing on very zoomed-in images (#129, #133).
• Fixed issues where brushes could draw outside the selection (#1775709).
• Fixed issues with the docking library (#832395).
• Fixed a bug where undoing a history item could set the background palette color to the foreground color (#1888131).
• Fixed issues where the zoom level was not maintained when undoing a Crop to Selection (#1888885).
• Fixed an error on newer Mono versions when opening URLs via the menu items under the Help menu (#1888883).
• Fixed some occasional crashes on dragging and dropping or pasting into a new image (#1838620, #1508777).
• Fixed issues where using the Rectangle Select tool after the Move Selection or Move Selected Pixels tools did not update correctly (#1889647, #1473430, #1889774).