As usual, there have been so many changes that it's difficult to tell a coherent story about them. One of the more noticeable changes is that the sleep screen menu (formerly known as the screensaver menu) has been reworked (#11549). But there's also been a lot of work on the backend, updating the build infrastructure and crengine.

This month's logo was contributed by @Sonnenfee

We'd like to thank all contributors for their efforts. Some highlights since the previous release include:

• Input: Don't let wacom pens clobber the slot of the next contact (#11520) @NiLuJe

• Use Bresenham's algorithm and anti-aliasing for rounded corners (#11498) @zwim

• Menu, DictQuickLookup, TextViewer: allow mousewheel scrolling (#11525) @poire-z

• CoverBrowser: show cached cover of deleted file in history (#11523) @hius07

• Bookmarks: edit highlighted text (#11484) @hius07

• Fulltext search: default mode, fixes (#11507) @hius07

• ReaderFooter: chapter progress bar (#11505) @hius07

• bump crengine: better conformance to the HTML Standard rendering (#11527) @poire-z Includes:

  • Hyphenation: update French.pattern https://github.com/koreader/crengine/pull/553
  • [CI] Add stylelint to help prevent typos in CSS https://github.com/koreader/crengine/pull/556
  • https://github.com/koreader/crengine/pull/555 :
  • In-page footnotes: better handle duplicated ids
  • lvrend: handle in-page footnotes in table <caption>
  • lvstsheet: fix compiler warnings
  • LVString: ignore CJK chars in lStr_findWordBounds() Closes #11478.
  • lvtext: AddLine(): handle some CJK + space edge case See https://github.com/koreader/koreader/issues/11478#issuecomment-1951424809.
  • EPUB: look for EPUB3 cover even when EPUB2 cover advertized See around https://github.com/koreader/koreader/pull/11491#issuecomment-1963021880. Hat tip @DanielKauss for discussion. ^_^
  • List items: proper per-specs positionning and sizing Closed https://github.com/koreader/crengine/issues/521.
  • epub.css: add/use @media (-cr-max-cre-dom-version: 20180527)
  • fb2def.h: add more HTML element and attributes names
  • CSS: generic support for handling presentational hints Closed https://github.com/koreader/crengine/issues/551
  • CSS: add support for private -cr-apply-func:
  • ldomDocumentWriterFilter: remove attribute to CSS conversion
  • lvrend: more proper rendering of block images
  • lvrend: keep margin_left/right updated when "auto"
  • CSS: add support for handling HTML's align= attribute
  • lvrend: fix HR and images positionning when floats involved
  • epub.css, html5.css: minor updates for easier stylesheet switch
  • epub.css, html5.css: major updates for better conformance Closes #10770.
  • fb2.css: fix CI stylelint warnings

• ReaderTypeset: tweak Style> menu logic and defaults (#11527) @poire-z

• Style tweaks: add tweak to avoid some presentational hints (#11527) @poire-z

• util.prettifyCSS(): handle better :is() and similar (#11527) @poire-z

• Wikipedia: tweak EPUB css to force epub.css look (#11527) @poire-z

• Wallabag: properly deal with mimetype actually being content-type (#11532) @Frenzie

• Screensaver: 0% only on first page, 100% only on final page (#11541) @Commodore64user

• ReaderZooming: make auto-crop default be page content (#11438) @hugleo

• Book style tweak: add more suggestions in "CSS ≡" (#11533) @poire-z

• Wikipedia EPUBs: add settings for include/highres images (#11544) @poire-z

• Allow asymmetric margins for autocrop (#11540) @hugleo

• Dictionary: Fix download message when connection fails (#11548) @jovanbulck

• appimage: get full path before changing to assets dir (#11552) @pazos

• Android: Add Linfiny eNote / Avalue ENT-13T1 / QuirkLogic Papyr (#11554) @davide125

• ReaderView: ensure that the pan zoom direction is not nil (#11557) @hius07

• ReaderStatus: update status modification time (#11568) @hius07

• [fix] ReaderLink: fix copy link (#11569) @Frenzie

• covermenu: fix file dialog (#11576) @hius07

• ReaderToc: add option to show chapter lengths (#11546) @poire-z

• bump crengine: various fixes, improved Russian typography (#11578) Includes:

  • https://github.com/koreader/crengine/pull/558 :
  • In-page footnotes: avoid with '-cr-hint: noteref-ignore'
  • In-page footnotes: ensure they don't cross "flows"
  • Tables: fix rendering when negative text-indent
  • FB2 cover drawing: ensure _invertImages flag Closes #11574.
  • EPUB: fallback to look for a cover in the first fragment Closes #11571.
  • TextLang: Russian: add typography rules https://github.com/koreader/crengine/pull/557

• ReaderTypography: update menu features symbols for Russian (#11570) @dmalinovsky

• [i18n] Add en-GB and Romanian translation to UI (#11577) @Frenzie

• PocketBook: remove unused color_saturation parameter (#11597) @dmalinovsky

• ReaderView: increase underline thickness (#11586) @Commodore64user

• FileChooser collates: use "item.sort_percent" for sorting + extra on-hold handling (#11592) @hasezoey

• bump base: fix sdcv binaries on non-Android/macOS platforms (#11609) @benoit-pierre

• [i18n] Font UI fallbacks: insert replacement characters with template for Weblate compatibility (#11614) @Frenzie

• ReaderHighlight: strikeout → Strikethrough (#11619) @Commodore64user

• File manager: fix classic mode item font size (#11626) @hius07

• Do flashui refresh for first display of History page (#11603) @dmalinovsky

• Add support for C64P (#11636) @ovehbe

• NetworkMgr: Fix PocketBook losing net access (#11601) @liskin

• NetworkMgr: Use cheaper/simpler hasDefaultRoute in isOnline (#11601) @liskin

• NetworkMgr: Limit the hasDefaultRoute check in isOnline to PocketBooks (#11601) @liskin

• bump crengine: various fixes, updated russian hyphenation (#11637) @poire-z Includes:

  • https://github.com/koreader/crengine/pull/561 :
  • Russian hyphenation: allow hyphens after Russian "не" prefix
  • https://github.com/koreader/crengine/pull/560 :
  • EPUB: add "identifiers" to doc props
  • https://github.com/koreader/crengine/pull/563 :
  • EPUB: avoid crash when '@font-face' in <style>
  • FB2: fix block images sizing and centering Closes #11623.
  • lvrend: fix positioning of bottom border on empty block elements Closes #11594.

  Also includes:

  • cre: add 'identifiers' to doc props https://github.com/koreader/koreader-base/pull/1758
  • build and ci: various tweaks: https://github.com/koreader/koreader-base/pull/1759 @benoit-pierre https://github.com/koreader/koreader-base/pull/1762 @benoit-pierre https://github.com/koreader/koreader-base/pull/1763 @benoit-pierre https://github.com/koreader/koreader-base/pull/1764 @benoit-pierre

• CreDocument: support added 'identifier' metadata (#11628) @baswag

• Sleep screen menu reworked (#11549, #11647) @Commodore64user

• GetText: fix crash if a value is used as unique value and as singular/plural (#11643) @Frenzie

• [i18n] GetText: fix fuzzy detection for certain strings (#11648) @Frenzie

• bump base, luajit-launcher, avoid assert failure in sub-processes (#11658) @poire-z

• make: fix test rule (#11659) @benoit-pierre

• Various AppImage fixes and improvements (#11662, #11669, #11665, #11671) @benoit-pierre @Frenzie

• ci: bump CircleCI docker images, other CI improvements (#11677) @benoit-pierre

• Stop touching night mode when control_nightmode == false (#11685) @imax9000

• Kindle Scribe: find accelerometer based on hardware (#11642, #11696) @mergen3107

• Hide hidden flows and custom toc from non-touch devices (#11690) @Commodore64user

• NewsDownloader: use content:encoded from RSS item, if available (#11694) @imax9000

• Add PocketBook Era Color (PB700K3) (#11695) @ElimGarak1

• Keyboard: detect tap if swipes are disabled (#11699) @hius07

• Add relevant nil guards to prevent reflow crashes (#11715) @Galunid

• Gesture: add jump to random page (#11727) @vyaus

• pocketbook: simplify device model detection (#11721) @benoit-pierre

Full changelog — closed milestone issues

Installation instructions: Android • Cervantes • ChromeOS • Kindle • Kobo • PocketBook • ReMarkable • Desktop Linux • MacOS