egui/crates/epaint/CHANGELOG.md

epaint changelog

All notable changes to the epaint crate will be documented in this file.

This file is updated upon each release. Changes since the last release can be found at https://github.com/emilk/egui/compare/latest...HEAD or by running the scripts/generate_changelog.py script.

0.32.1 - 2025-08-15

• Fix multi-line TextShape rotation #7404 by @afishhh
• Fix glyph rendering: clamp coverage to [0, 1] #7415 by @emilk

0.32.0 - 2025-07-10

⭐ Added

• Impl AsRef<[u8]> for FontData #5757 by @StratusFearMe21
• Add expand_bg to customize size of text background #5365 by @MeGaGiGaGon
• Add anchored text rotation method, and clarify related docs #7130 by @pmarks
• Add Galley::intrinsic_size #7146 by @lucasmerlin

🔧 Changed

• Fix semi-transparent colors appearing too bright #5824 by @emilk
• Improve text sharpness #5838 by @emilk
• Improve text rendering in light mode #7290 by @emilk
• Make text underline and strikethrough pixel perfect crisp #5857 by @emilk
• Update emoji-icon-font with fix for fullwidth latin characters #7067 by @emilk
• Add assert messages and print bad argument values in asserts #5216 by @bircni

🔥 Removed

• Remove things that have been deprecated for over a year #7099 by @emilk

🐛 Fixed

• Fix: transform TextShape underline width #5865 by @emilk
• Fix visual_bounding_rect for rotated text #7050 by @pmarks

🚀 Performance

• Optimize editing long text by caching each paragraph #5411 by @afishhh

0.31.1 - 2025-03-05

• Fix panic when rendering thin textured rectangles #5692 by @PPakalns

0.31.0 - 2025-02-04

⭐ Added

• Improve tessellation quality #5669 by @emilk
• Add epaint::Brush for controlling RectShape texturing #5565 by @emilk
• Add RectShape::stroke_kind to control if stroke is inside/outside/centered #5647 by @emilk

🔧 Changed

• Rename Rounding to CornerRadius #5673 by @emilk
• Make all lines and rectangles crisp #5518 by @emilk
• Better rounding of rectangles with thin outlines #5571 by @emilk
• Require a StrokeKind when painting rectangles with strokes #5648 by @emilk

🔥 Removed

• Remove StrokeKind::default #5658 by @emilk

🚀 Performance

• Use u8 in Rounding, and introduce Roundingf #5563 by @emilk
• Store Margin using i8 to reduce its size #5567 by @emilk
• Shrink size of Shadow by using i8/u8 instead of f32 #5568 by @emilk

0.30.0 - 2024-12-16

• Expand max font atlas size from 8k to 16k #5257 by @rustbasic
• Put font data into Arc to reduce memory consumption #5276 by @StarStarJ
• Reduce aliasing when painting thin box outlines #5484 by @emilk
• Fix zero-width strokes still affecting the feathering color of boxes #5485 by @emilk

0.29.1 - 2024-10-01

Nothing new

0.29.0 - 2024-09-26

🚀 Performance

• Optimize Color32::from_rgba_unmultiplied with LUT #5088 by @YgorSouza

🔧 Changed

• Fix blurry lines by aligning to pixel grid #4943 by @juancampa
• Better vertical text alignment #5117 by @emilk
• Deprecate ahash re-exports #4979 by @oscargus

🐛 Fixed

• Fix bug in size calculation of truncated text #5076 by @emilk
• Fix text sometime line-breaking or truncating too early #5077 by @emilk
• Prevent text shrinking in tooltips; round wrap-width to integer #5161 by @emilk

0.28.1 - 2024-07-05

Nothing new

0.28.0 - 2024-07-03

⭐ Added

• Add RectShape::blur_width to implement shadows #4267 by @emilk
• Overload operators for Rect + Margin, Rect - Margin etc #4277 by @emilk
• Added ability to define colors at UV coordinates along a path #4353 by @murl-digital
• Add a Display impl for Vec2, Pos2, and Rect #4428 by @tgross35

🔧 Changed

• Move epaint::util::OrderedFloat to emath::OrderedFloat #4389 by @emilk
• Remove extra_asserts and extra_debug_asserts feature flags #4478 by @emilk
• Make epaint::mutex::RwLock allow ?Sized types #4485 by @crumblingstatue
• Round text galley sizes to nearest UI point size #4578 by @emilk

🐛 Fixed

• Fix incorrect line breaks #4377 by @juancampa
• Fix hex_color! macro by re-exporting color_hex crate from ecolor #4372 by @dataphract
• Don't panic when replacement glyph is not found #4542 by @RyanBluth

0.27.2 - 2024-04-02

• Nothing new

0.27.1 - 2024-03-29

• Fix visual glitch on the right side of highly rounded rectangles #4244
• Prevent visual glitch when shadow blur width is very high #4245

0.27.0 - 2024-03-26

• Add ColorImage::from_gray_iter #3536 (thanks @wangxiaochuTHU!)
• Convenience const fn for Margin, Rounding and Shadow #4080 (thanks @0Qwel!)
• Added Shape::{scale,translate} wrappers #4090 (thanks @varphone!)
• Add EllipseShape #4122 (thanks @TheTacBanana!)
• Add Margin to epaint #4231
• CSS-like Shadow with offset, spread, and blur #4232

0.26.2 - 2024-02-14

• Nothing new

0.26.1 - 2024-02-11

• Nothing new

0.26.0 - 2024-02-05

• Add Align2::anchor_size #3863
• Add opacity factor to TextShape #3916 (thanks @StratusFearMe21!)
• Parallel tessellation with opt-in rayon feature #3934

0.25.0 - 2024-01-08

• Replace a special Color32::PLACEHOLDER with widget fallback color #3727
• Add support for dashed lines with offset #3720 (thanks @oscargus!)
• Impl Clone for Fonts #3737
• Fix: allow using the full Private Use Area for custom fonts #3509 (thanks @varphone!)
• Add Color32::from_hex and Color32::to_hex #3570 #3777 (thanks @YgorSouza!)

0.24.1 - 2023-11-30

• Optimize FontImage::srgba_pixels and reduce the initial font atlas texture size from 8MiB -> 1MiB #3666

0.24.0 - 2023-11-23

• Use impl Into<Stroke> as argument in a few more places #3420 (thanks @Phen-Ro!)
• Update MSRV to Rust 1.72 #3595
• Make ViewportInPixels use integers, and clamp to bounds #3604 (thanks @Wumpf!)

0.23.0 - 2023-09-27

• Update MSRV to Rust 1.70.0 #3310
• Add option to truncate text at wrap width #3244 #3366
• Add control of line height and letter spacing #3302
• Support images with rounded corners #3257
• Add ColorImage::from_gray #3166 (thanks @thomaseliot!)
• Provide into_inner() for egui::mutex::{Mutex, RwLock} #3110 (thanks @KmolYuan!)
• Fix problems with tabs in text #3355
• Refactor: change ClippedShape from struct-enum to a normal struct #3225
• Document when Galleys get invalidated #3024 (thanks @e00E!)

0.22.0 - 2023-05-23

• Fix compiling epaint without bytemuck dependency #2913 (thanks @lunixbochs!)
• Fix documentation for TextureId::Managed(0) #2998 (thanks @andersk!)

0.21.0 - 2023-02-08

• Improve the look of thin white lines (#2437).
• Don't render \r (Carriage Return) (#2452).
• Fix bug in Mesh::split_to_u16 (#2459).
• Improve rendering of very thin rectangles.

0.20.0 - 2022-12-08

• ⚠️ BREAKING: Fix text being too small (#2069).
• ⚠️ BREAKING: epaint now expects integrations to do all color blending in gamma space (#2071).
• Improve mixed CJK/Latin line-breaking (#1986).
• Added Fonts::has_glyph(s) for querying if a glyph is supported (#2202).
• Added support for thin space.
• Split out color into its own crate, ecolor (#2399).

0.19.0 - 2022-08-20

• MSRV (Minimum Supported Rust Version) is now 1.61.0 (#1846).
• Added epaint::hex_color! to create Color32's from hex strings under the color-hex feature (#1596).
• Optimize tessellation of filled circles by 10x or more (#1616).
• Added opt-in feature deadlock_detection to detect double-lock of mutexes on the same thread (#1619).
• Texture loading now takes a TextureOptions with minification and magnification filters (#2224).

0.18.1 - 2022-05-01

• Change Shape::Callback from &dyn Any to &mut dyn Any to support more backends.

0.18.0 - 2022-04-30

• MSRV (Minimum Supported Rust Version) is now 1.60.0 (#1467).
• Added Shape::Callback for backend-specific painting (#1351).
• Added more text wrapping options (#1291):
  • Added TextWrapping struct containing all wrapping options.
  • Added LayoutJob::wrap field containing these options.
  • Moved LayoutJob::wrap_width to TextWrapping::max_width.
  • Added TextWrapping::max_rows to limit amount of rows the text should have.
  • Added TextWrapping::break_anywhere to control should the text break at appropriate places or not.
  • Added TextWrapping::overflow_character to specify what character should be used to represent clipped text.
• Removed the single_threaded/multi_threaded flags - epaint is now always thread-safe (#1390).
• Tessellator::from_options is now Tessellator::new (#1408).
• Renamed TessellationOptions::anti_alias to feathering (#1408).
• Renamed AlphaImage to FontImage to discourage any other use for it (#1412).
• Dark text is darker and more readable on bright backgrounds (#1412).
• Fixed panic when tessellating a Shape::Vec containing meshes with differing TextureIds (#1445).
• Added Shape::galley_with_color which adds the functionality of Painter::galley_with_color into the Shape enum (#1461).
• Renamed the feature convert_bytemuck to bytemuck (#1467).
• Renamed the feature serialize to serde (#1467).
• Added line breaking rules for Japanese text (#1498).
• Optimize tessellation of circles and boxes with rounded corners (#1547).

0.17.0 - 2022-02-22

• Much improved font selection (#1154):
  • Replaced TextStyle with FontId which lets you pick any font size and font family.
  • Replaced Fonts::font_image with font_image_delta for partial font atlas updates.
• Made the v-align and scale of user fonts tweakable (#1241).
• Added ImageData and TextureManager for loading images into textures (#1110).
• Added Shape::dashed_line_many (#1027).
• Replaced corner_radius: f32 with rounding: Rounding, allowing per-corner rounding settings (#1206).
• Fixed anti-aliasing of filled paths with counter-clockwise winding order.
• Improve the anti-aliasing of filled paths with sharp corners, at the cost of these corners sometimes becoming badly extruded instead (see https://github.com/emilk/egui/issues/1226).

0.16.0 - 2021-12-29

• Anti-alias path ends (#893).
• Rgba now implements Hash (#886).
• Renamed Texture to FontImage.

0.15.0 - 2021-10-24

• Fonts::layout_job: New text layout engine allowing mixing fonts, colors and styles, with underlining and strikethrough.
• New CircleShape, PathShape, RectShape and TextShape used in enum Shape.
• Added support for rotated text (see TextShape).
• Added "convert_bytemuck" feature.