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v0.14.0

• featNew 'Pixelize' tab: turns painterly / AI art into classic pixel art (target resolution + curated limited palette incl. Mega Drive / SNES console profiles, optional dithering) with a live preview and batch processing.
• perfPixelize can now reach 512 px target resolution and up to 512 colours via opt-in checkboxes (marked slow); the palette mapping is memory-bounded so large resolution x palette combinations no longer risk running out of memory.
• featNew 'Green Sprite (hart, inhalt-sicher)' profile: removes only the border-connected green background and keeps green that is part of the artwork, with hard pixel-art edges - plus an optional green-halo despill for smooth / anti-aliased assets.
• featNew 'Reste entfernen (kein Keying)' profile: cleans up leftover key-colour residue (stray specks and a thin edge fringe) on already cut-out images while preserving the artwork; works for green, magenta or any custom key colour.

v0.13.0

• featNew 'FX / Glow (Soft-Matte)' profile: cleanly cuts out translucent glowing effects (glow, smoke, sparkles) on any chroma key - green, magenta or custom - with a soft alpha matte and full-area despill instead of a hard 0/255 cut.
• featSoft/Hard toggle plus sliders for matte hardness, soft band, despill strength and colour recovery.
• featReworked the 'Auto' profile: it now measures the chroma key per image and applies the soft matte (handles mixed green/magenta batch folders), and passes images through untouched when no key is present. It intentionally does not guess sprite-vs-FX style - pick a Sprite profile for crisp pixel-art edges.
• fixFixed magenta profiles silently removing nothing when the key colour does not touch the image border (thin light fringe): a global fallback now keys the background.
• fixFixed the key-colour field rejecting the common 'R, G, B' format with spaces.

v0.12.0

• featAdded a self-hosted update check: the app can notify you when a newer version is available (CLI --check-update and an in-app notice).
• featNo image or user data is sent; only an anonymous version check against the app's own server.
• featIntroduced the reusable appkit foundation (per-user state in %AppData%).

v0.11.0

• featNew Asset SliceX tab: drag horizontal/vertical cut lines from ruler strips to split a sprite into up to 25 cells; each cell exported as a separate PNG.
• featSegment size and position labels on cut lines, both independently toggleable.
• featAdded CLI --operation slice-grid with --slice-grid-xs and --slice-grid-ys.

v0.10.0

• featNew Asset Slice operation (9-Slice/3-Slice): split a sprite into up to 9 regions via four pixel insets, export the regions separately, and rebuild the asset at any resolution with corners kept fixed and edges/center tiled (pixel-exact) or nearest-neighbour stretched.
• featAdded CLI --operation slice with --slice-left/right/top/bottom, --slice-target-width/height or --slice-scale, --slice-fill {tile,stretch}, and --slice-output {scale,cut,both}.
• featAdded an Asset Slice GUI tab with presets (9-Slice / 3-Slice), inset fields, fill mode, target pixels or factor, output mode, and a live preview (cut-line overlay + scaled result).

v0.9.0

• featNew CustomTkinter interface is now the default for --gui (top navigation, theming, drag-and-drop, live preview with zoom/pan, pipette).
• featChroma-Key single + batch, Pixelart-UnDetail single + batch all available in the new GUI.
• featRemoved the legacy Tkinter GUI.

v0.8.21

• fixFixed Pixelart-Undetail so smooth-island cleanup also reaches the full-size output, not only the small image.

v0.8.20

• featRemoved dead, broken legacy GUI code path.
• fixFixed preview keyboard shortcuts leaking into other windows.
• featMoved single-file and Undetail processing off the UI thread so the window no longer freezes.

v0.8.19

• featHardened preview initial rendering.
• fixFixed preview keyboard shortcut cleanup.
• featReplaced preview shortcut message box with a structured shortcut table.

v0.8.18

• fixFixed initial preview rendering and preview keyboard shortcuts.
• featAdded sub-100-percent preview zoom levels.
• featReplaced global tab scrolling with compact batch layout and scrollable logs.

v0.8.17

• featAdded animated preview loading feedback.
• featImproved preview navigation with keyboard and mouse zoom/scroll controls.
• featAdded a top app bar and scrollable workflow tabs for more resilient GUI layout.

v0.8.16

• featRenamed and reordered GUI tabs for clearer workflow navigation.
• featStarted GUI modernization with explicit Chroma key, Chroma key batch and Pixelart UnDetail tabs.

v0.8.15

• featAdded Undetail profiles for common pixel-art reduction strengths.
• featAdded selectable small-output widths for Undetail exports.
• featAdded Smooth-Island Cleanup for tiny low-variance color outliers.

v0.8.14

• featAdded Smooth-Area Snap for low-variance Undetail blocks.
• featAdded Undetail controls for smooth-area mode and threshold.
• featReduced blocky color speckling on visually flat generated sprite regions.

v0.8.13

• featAdded Pixelart-Undetail as a separate transform operation.
• featAdded Undetail CLI options for block size, sampling, quantization, alpha and edge RGB bleed.
• featAdded an Undetail GUI tab with preview, single-file and batch processing.
• featPreserved exact flat-color blocks during Undetail quantization.

v0.8.12

• featAdded optional opening of the output folder after processing.
• featAdded optional batch reports as TXT or CSV.
• featAdded a batch file list preview before starting batch processing.

v0.8.11

• featImproved the eyedropper with larger pixel-art zoom levels.
• featAdded optional 3x3 average color picking.
• featAdded explicit eyedropper cancel controls.

v0.8.10

• featAdded an Edge Cleanup control for disabling profile edge corrections.
• featConnected Edge Cleanup to CLI, GUI, batch, preview and presets.
• featLet Edge Cleanup Off override Green Repair and Magenta Plus edge-stage cleanup.

v0.8.9

• featAdded a key tolerance control for Custom Color and Auto custom-key cleanup.
• featConnected key tolerance to CLI, GUI, batch, preview and presets.
• featKept Green and Magenta profile-specific cleanup independent from custom tolerance.

v0.8.8

• featDisabled Green Repair controls when the selected profile cannot use them.
• featAdded Ordner halten so single-file targets can either follow the source folder or stay fixed.
• featUpdated single-file target folder automatically when choosing a PNG from another folder.

v0.8.7

• featAdded Green Black Outline Repair for contaminated dark/olive outline pixels.
• featLet Green Repair use the selected spill radius for edge-band cleanup.
• featKept Green Black Outline Repair distance-limited to avoid reaching inner sprite colors.

v0.8.6

• featAdded optional Green Magic Outline Repair for small green/cyan edge remnants.
• featProtected large teal body components while repairing tiny magic accessory fringes.
• featExpanded the default GUI window height for the larger control set.

v0.8.5

• featAdded component-based Rest-Chroma cleanup for Magenta FX / Water Plus.
• featHandled lavender and deep-violet fringe remnants beyond the spill radius.
• featRemoved isolated loose magenta key remnants without extending edge cleanup radius.

v0.8.4

• featAdded deep-violet fringe cleanup for measured water-FX remnants.
• featShifted blue-violet edge pixels toward blue/cyan without changing alpha.

v0.8.3

• featTightened cool-water protection so lavender edge seams are still despilled.
• featImproved Magenta FX / Water Plus handling for pale violet zoom-level remnants.

v0.8.2

• featAdded residual magenta cleanup for Magenta FX / Water Plus.
• featAdded Maximal spill strength for stubborn zoom-level magenta seams.
• featImproved neighbor reference selection so tinted edge pixels do not feed the correction color.
• featLimited remaining magenta bias after Plus-profile correction.

v0.8.1

• featAdded central app version metadata.
• featAdded version to the main window title.
• featAdded CLI --version.
• featAdded a GUI info window with per-version changelog notes.
• featAdded lightweight versioning and development tracking docs.

v0.8.0

• featAdded Magenta FX / Water Plus.
• featAdded neighbor-color-based magenta spill correction.
• featAdded spill radius and spill strength controls for GUI and CLI.
• featConnected spill controls to single-file, batch, preview, and presets.
• featRebuilt the standalone EXE.

v0.7.0

• featAdded Magenta Sprite / Outline and Magenta FX / Water profiles.
• featAdded profile selection and quick key buttons.
• featDocumented Magenta chromakey strategy.

v0.6.0

• featAdded batch processing tab.
• featAdded standalone EXE packaging.

v0.5.0

• featAdded GUI, drag and drop support, output folder handling, file suffixes, and pipette workflow.

v0.1.0

• featInitial CLI chromakey cleaner for green pixel-art sprite sheets.