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Some epub files are slow to open #14829

Description

@fekir

Device

Linux (AppImage)

KOReader version

2025.04

Model and firmware version

No response

Issue description

I was also able to reproduce the issue on a PocketBook device, thus it does not seem to depend on the device itself.

For some epub files, Koreader takes a long time to open them.
It is not something that has to do with the size alone, as I have bigger epub files that are opened nearly instantly.

Steps to reproduce

  1. Go to https://github.com/rrthomas/hpmor/
  2. Download the current epub file (current version sha256sum of hpmor.epub is 981fa5461289dcc3519f13cf38fc233257190cf2ef8db9ac83b4e9a6f2b84a34
  3. Open the file with Koreader
  4. wait until the file is open

Log

---------------------------------------------
                launching...
  _  _____  ____                _
 | |/ / _ \|  _ \ ___  __ _  __| | ___ _ __
 | ' / | | | |_) / _ \/ _` |/ _` |/ _ \ '__|
 | . \ |_| |  _ <  __/ (_| | (_| |  __/ |
 |_|\_\___/|_| \_\___|\__,_|\__,_|\___|_|

 It's a scroll... It's a codex... It's KOReader!

 [*] Current time: 01/16/26-16:39:49
has monolibtic? no (libs/libkoreader-monolibtic.so: cannot open shared object file: No such file or directory)
lib_search_path: libs/?
lib_basic_format: lib%s.so
lib_version_format: lib%s.so.%s
 [*] Version: v2025.04

ffi.load: rt.so.1 (RTLD_GLOBAL)
ffi.findlib: utf8proc [3]
ffi.load: libs/libutf8proc.so.3
ffi.findlib: blitbuffer
ffi.load: libs/libblitbuffer.so
ffi.findlib: SDL2-2.0 [0]
ffi.findlib: SDL2-2.0
ffi.findlib: SDL2
ffi.load: libSDL2-2.0.so.0
01/16/26-16:39:49 DEBUG fts: Preferred MONOTONIC clock source is CLOCK_MONOTONIC 
01/16/26-16:39:49 DEBUG fts: Preferred REALTIME clock source is CLOCK_REALTIME 
01/16/26-16:39:49 DEBUG fts: BOOTTIME clock source is supported 
Starting SDL in /usr/lib/koreader/
01/16/26-16:39:50 DEBUG refresh on logical rectangle 960x1008+0+0 
ffi.findlib: lodepng
ffi.load: libs/liblodepng.so
01/16/26-16:39:50 INFO  initializing for device Linux 
01/16/26-16:39:50 INFO  framebuffer resolution: {
  h = 1008,
  w = 960
} --[[table: 0x7fde95964400]] 
ffi.findlib: wrap-mupdf
ffi.load: libs/libwrap-mupdf.so
ffi.findlib: sqlite3 [0]
ffi.load: libs/libsqlite3.so.0
ffi.findlib: freetype [6]
ffi.load: libs/libfreetype.so.6
ffi.findlib: harfbuzz [0]
ffi.load: libs/libharfbuzz.so.0
ffi.findlib: zstd [1]
ffi.load: libs/libzstd.so.1
01/16/26-16:39:50 DEBUG FontList registered: Nimbus Mono 
01/16/26-16:39:50 DEBUG FontList registered: Noto Sans Bengali UI 
01/16/26-16:39:50 DEBUG FontList registered: Dingbats 
01/16/26-16:39:50 DEBUG FontList registered: Nimbus Roman No9 L 
01/16/26-16:39:50 DEBUG FontList registered: Nimbus Sans L 
01/16/26-16:39:50 DEBUG FontList registered: Noto Serif 
01/16/26-16:39:50 DEBUG FontList registered: Noto Sans Devanagari UI 
01/16/26-16:39:50 DEBUG FontList registered: Droid Sans Mono 
01/16/26-16:39:50 DEBUG FontList registered: Noto Naskh Arabic 
01/16/26-16:39:50 DEBUG FontList registered: Standard Symbols L 
01/16/26-16:39:50 DEBUG FontList registered: Noto Sans CJK SC 
01/16/26-16:39:50 DEBUG FontList registered: Noto Sans 
01/16/26-16:39:50 DEBUG FontList registered: NotoSans Nerd Font 
01/16/26-16:39:50 DEBUG FontList registered: FreeSerif 
01/16/26-16:39:50 DEBUG FontList registered: FreeSans 
01/16/26-16:39:50 DEBUG FontList registered: Noto Sans Arabic UI 
01/16/26-16:39:50 DEBUG Found font: NotoSans-Regular.ttf in ./fonts/noto/NotoSans-Regular.ttf 
01/16/26-16:39:50 DEBUG Found font: NotoSans-Bold.ttf in ./fonts/noto/NotoSans-Bold.ttf 
01/16/26-16:39:50 DEBUG Found font: NotoSans-Bold.ttf in ./fonts/noto/NotoSans-Bold.ttf 
01/16/26-16:39:50 DEBUG Found font: NotoSans-Regular.ttf in ./fonts/noto/NotoSans-Regular.ttf 
01/16/26-16:39:50 DEBUG Allocating a 512MB budget for the global document cache 
01/16/26-16:39:50 DEBUG Found font: NotoSans-Regular.ttf in ./fonts/noto/NotoSans-Regular.ttf 
01/16/26-16:39:50 DEBUG Found font: NotoSans-Regular.ttf in ./fonts/noto/NotoSans-Regular.ttf 
01/16/26-16:39:50 DEBUG Found font: DroidSansMono.ttf in ./fonts/droid/DroidSansMono.ttf 
01/16/26-16:39:50 DEBUG ReadCollection: reading from collection file 
01/16/26-16:39:50 DEBUG show reader ui 
01/16/26-16:39:50 DEBUG DocSettings: data is read from /home/fekir/Downloads/hpmor.sdr/metadata.epub.lua 
01/16/26-16:39:50 DEBUG Found font: NotoSansCJKsc-Regular.otf in ./fonts/noto/NotoSansCJKsc-Regular.otf 
01/16/26-16:39:50 DEBUG ImageWidget: _render'ing resources/icons/mdlight/notice-info.svg 64 64 
01/16/26-16:39:50 DEBUG renderSVG resources/icons/mdlight/notice-info.svg 1.3333333333333 48 48 > 64 64 0 0 
01/16/26-16:39:50 DEBUG cache image|resources/icons/mdlight/notice-info.svg|64|64|alpha 
01/16/26-16:39:50 DEBUG ImageWidget: initial offsets 0 0 
01/16/26-16:39:50 DEBUG show widget: table: 0x7fde7ebe9860 
01/16/26-16:39:50 DEBUG setDirty nil from widget table: 0x7fde7ebe9860 w/ NO region; dithering: nil 
01/16/26-16:39:50 DEBUG setDirty via a func from widget table: 0x7fde7ebe9860 
01/16/26-16:39:50 DEBUG painting widget: table: 0x7fde7ebe9860 
01/16/26-16:39:50 DEBUG blitFrom 120 471 0 0 64 64 
01/16/26-16:39:50 DEBUG _refresh: Enqueued ui update for region 109 440 742 127 dithering: false 
01/16/26-16:39:50 DEBUG triggering refresh {
  mode = "ui",
  region = "742x127+109+440"
} --[[table: 0x7fde7ebc31b0]] 
01/16/26-16:39:50 DEBUG refresh on logical rectangle 742x127+109+440 
01/16/26-16:39:50 DEBUG close widget: table: 0x7fde7ebe9860 
01/16/26-16:39:50 DEBUG setDirty via a func from widget nil 
01/16/26-16:39:50 DEBUG creating coroutine for showing reader 
01/16/26-16:39:50 INFO  opening file /home/fekir/Downloads/hpmor.epub 
01/16/26-16:39:50 DEBUG CreDocument: using cre call cache 
01/16/26-16:39:50 INFO  Inhibiting user input 
01/16/26-16:39:50 DEBUG DocSettings: data is read from /home/fekir/Downloads/hpmor.sdr/metadata.epub.lua 
01/16/26-16:39:50 DEBUG Found font: NotoSans-Regular.ttf in ./fonts/noto/NotoSans-Regular.ttf 
01/16/26-16:39:50 DEBUG ImageWidget: _render'ing resources/icons/mdlight/book.opened.svg 52 52 
01/16/26-16:39:50 DEBUG renderSVG resources/icons/mdlight/book.opened.svg 1.0833333333333 48 48 > 52 52 0 0 
01/16/26-16:39:50 DEBUG cache image|resources/icons/mdlight/book.opened.svg|52|52|flat 
01/16/26-16:39:50 DEBUG ImageWidget: initial offsets 0 0 
01/16/26-16:39:50 DEBUG Getting list of dictionaries 
01/16/26-16:39:50 DEBUG found 0 dictionaries 
01/16/26-16:39:50 DEBUG CreDocument: applied cr3.ini default settings. 
01/16/26-16:39:50 DEBUG CreDocument: set fallback font faces: Noto Sans CJK SC|Noto Naskh Arabic|Noto Sans Devanagari UI|Noto Sans Bengali UI|FreeSans|FreeSerif|Noto Serif|Noto Sans 
01/16/26-16:39:50 DEBUG CreDocument: set adjusted fallback font sizes true 
01/16/26-16:39:50 DEBUG CreDocument: set monospace font scaling 100 
01/16/26-16:39:50 INFO  Looking for plugins in directory: plugins 
01/16/26-16:39:50 INFO  Looking for plugins in directory: /home/fekir/.config/koreader/plugins/ 
01/16/26-16:39:50 DEBUG Plugin loaded archiveviewer 
01/16/26-16:39:50 DEBUG Plugin loaded autoturn 
01/16/26-16:39:50 DEBUG Plugin loaded autowarmth 
01/16/26-16:39:50 DEBUG Plugin loaded batterystat 
01/16/26-16:39:50 DEBUG Plugin loaded bookshortcuts 
01/16/26-16:39:50 DEBUG Plugin loaded calibre 
01/16/26-16:39:50 DEBUG Plugin loaded coverbrowser 
01/16/26-16:39:50 DEBUG Plugin loaded docsettingtweak 
01/16/26-16:39:50 DEBUG Plugin loaded exporter 
01/16/26-16:39:50 DEBUG Plugin loaded gestures 
01/16/26-16:39:50 DEBUG Plugin loaded hotkeys 
01/16/26-16:39:50 DEBUG Plugin loaded httpinspector 
01/16/26-16:39:50 DEBUG japanese.koplugin deinflector: loaded inflection table with 36 rules and 569 variants 
01/16/26-16:39:50 DEBUG Plugin loaded japanese 
01/16/26-16:39:50 DEBUG Plugin loaded keepalive 
01/16/26-16:39:50 DEBUG Plugin loaded kosync 
01/16/26-16:39:50 DEBUG Plugin loaded movetoarchive 
01/16/26-16:39:50 DEBUG CacheSQLite: /home/fekir/.config/koreader/cache/newsdownloader.sqlite current size: 16384 
01/16/26-16:39:50 DEBUG Plugin loaded newsdownloader 
01/16/26-16:39:50 DEBUG Plugin loaded opds 
01/16/26-16:39:50 DEBUG Plugin loaded perceptionexpander 
01/16/26-16:39:50 DEBUG Plugin loaded profiles 
01/16/26-16:39:50 DEBUG Plugin loaded qrclipboard 
01/16/26-16:39:50 DEBUG Plugin loaded readtimer 
01/16/26-16:39:50 DEBUG Plugin loaded statistics 
01/16/26-16:39:50 DEBUG Plugin loaded systemstat 
01/16/26-16:39:50 DEBUG Plugin loaded terminal 
01/16/26-16:39:50 DEBUG Plugin loaded texteditor 
01/16/26-16:39:50 DEBUG Found font: NotoSans-Regular.ttf in ./fonts/noto/NotoSans-Regular.ttf 
01/16/26-16:39:50 DEBUG Found font: NotoSans-Italic.ttf in ./fonts/noto/NotoSans-Italic.ttf 
01/16/26-16:39:50 DEBUG Plugin loaded vocabbuilder 
01/16/26-16:39:50 DEBUG Plugin loaded wallabag 
01/16/26-16:39:50 DEBUG RD loaded plugin archiveviewer at plugins/archiveviewer.koplugin 
01/16/26-16:39:50 DEBUG RD loaded plugin autoturn at plugins/autoturn.koplugin 
01/16/26-16:39:50 DEBUG AutoWarmth: scheduleMidnightUpdate 
01/16/26-16:39:50 DEBUG RD loaded plugin autowarmth at plugins/autowarmth.koplugin 
01/16/26-16:39:50 DEBUG RD loaded plugin batterystat at plugins/batterystat.koplugin 
01/16/26-16:39:50 DEBUG RD loaded plugin bookshortcuts at plugins/bookshortcuts.koplugin 
01/16/26-16:39:50 DEBUG RD loaded plugin calibre at plugins/calibre.koplugin 
01/16/26-16:39:50 DEBUG CoverBrowser: setting FileManager display mode to: list_image_meta 
01/16/26-16:39:50 DEBUG CoverBrowser: setting display mode: history mosaic_image 
01/16/26-16:39:50 DEBUG CoverBrowser: setting display mode: collections mosaic_image 
01/16/26-16:39:50 DEBUG RD loaded plugin coverbrowser at plugins/coverbrowser.koplugin 
01/16/26-16:39:50 DEBUG RD loaded plugin docsettingtweak at plugins/docsettingtweak.koplugin 
01/16/26-16:39:50 DEBUG RD loaded plugin exporter at plugins/exporter.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin gestures at plugins/gestures.koplugin 
01/16/26-16:39:51 DEBUG Hotkey ReaderBookmark:registerKeyEvents() overridden. 
01/16/26-16:39:51 DEBUG Hotkey ReaderFont:registerKeyEvents() overridden. 
01/16/26-16:39:51 DEBUG Hotkey ReaderLink:registerKeyEvents() overridden. 
01/16/26-16:39:51 DEBUG Hotkey ReaderSearch:registerKeyEvents() overridden. 
01/16/26-16:39:51 DEBUG Hotkey ReaderToc:registerKeyEvents() overridden. 
01/16/26-16:39:51 DEBUG Hotkey ReaderThumbnail:registerKeyEvents() overridden. 
01/16/26-16:39:51 DEBUG Hotkey ReaderUI:registerKeyEvents() overridden. 
01/16/26-16:39:51 DEBUG Hotkey ReaderDictionary:registerKeyEvents() overridden. 
01/16/26-16:39:51 DEBUG Hotkey ReaderWikipedia:registerKeyEvents() overridden. 
01/16/26-16:39:51 DEBUG Hotkey FileSearcher:registerKeyEvents() overridden. 
01/16/26-16:39:51 DEBUG Total number of hotkey events registered successfully:  50 
01/16/26-16:39:51 DEBUG RD loaded plugin hotkeys at plugins/hotkeys.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin httpinspector at plugins/httpinspector.koplugin 
01/16/26-16:39:51 DEBUG language support: registering japanese plugin 
01/16/26-16:39:51 DEBUG RD loaded plugin japanese at plugins/japanese.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin keepalive at plugins/keepalive.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin kosync at plugins/kosync.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin movetoarchive at plugins/movetoarchive.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin newsdownloader at plugins/newsdownloader.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin opds at plugins/opds.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin perceptionexpander at plugins/perceptionexpander.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin profiles at plugins/profiles.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin qrclipboard at plugins/qrclipboard.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin readtimer at plugins/readtimer.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin statistics at plugins/statistics.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin systemstat at plugins/systemstat.koplugin 
01/16/26-16:39:51 DEBUG Terminal: default shell is /bin/zsh 
01/16/26-16:39:51 DEBUG RD loaded plugin terminal at plugins/terminal.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin texteditor at plugins/texteditor.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin vocabbuilder at plugins/vocabbuilder.koplugin 
01/16/26-16:39:51 DEBUG RD loaded plugin wallabag at plugins/wallabag.koplugin 
01/16/26-16:39:51 DEBUG CreDocument: set view mode page 
01/16/26-16:39:51 DEBUG CreDocument: set page info  
01/16/26-16:39:51 DEBUG CreDocument: set status line property 1 
01/16/26-16:39:51 DEBUG made tweak css:
*[type~="note"],
*[type~="endnote"],
*[type~="footnote"],
*[type~="rearnote"],
*[role~="doc-note"],
*[role~="doc-endnote"],
*[role~="doc-footnote"],
*[role~="doc-rearnote"]
{
    -cr-only-if: -fb2-document;
        -cr-hint: footnote-inpage;
        margin: 0 !important;
        font-size: 0.8rem !important;
}
body[name="notes"] section {
    -cr-only-if: fb2-document;
        -cr-hint: footnote-inpage;
        margin: 0 !important;
}
body[name="notes"] > section {
    -cr-only-if: fb2-document;
        font-size: 0.75rem;
}
body[name="notes"] > title {
    -cr-only-if: fb2-document;
        margin-bottom: 0;
        padding-bottom: 0.5em;
}[END] 
01/16/26-16:39:51 DEBUG CreDocument: set style sheet: ./data/epub.css and appended content (649 bytes) 
01/16/26-16:39:51 DEBUG CreDocument: set embedded fonts 1 
01/16/26-16:39:51 DEBUG CreDocument: set embedded style sheet 1 
01/16/26-16:39:51 DEBUG CreDocument: set block rendering flags 0x7fffffff 
01/16/26-16:39:51 DEBUG CreDocument: set render dpi 96 
01/16/26-16:39:51 DEBUG CreDocument: set page margins 16 24 16 49 
01/16/26-16:39:51 DEBUG CreDocument: set txt preformatted 1 
01/16/26-16:39:51 DEBUG CreDocument: set smooth scaling false 
01/16/26-16:39:51 DEBUG CreDocument: set nightmode images true 
01/16/26-16:39:51 DEBUG CreDocument: set font face Noto Serif 
01/16/26-16:39:51 DEBUG CreDocument: set header font Noto Sans 
01/16/26-16:39:51 DEBUG CreDocument: set font size 36 
01/16/26-16:39:51 DEBUG CreDocument: set font base weight 0 = 400 
01/16/26-16:39:51 DEBUG CreDocument: set font hinting mode 2 
01/16/26-16:39:51 DEBUG CreDocument: set font kerning mode 3 
01/16/26-16:39:51 DEBUG CreDocument: set space width scale 95 
01/16/26-16:39:51 DEBUG CreDocument: set space condensing 75 
01/16/26-16:39:51 DEBUG CreDocument: set word expansion 0 
01/16/26-16:39:51 DEBUG CreDocument: set cjk width scaling 100 
01/16/26-16:39:51 DEBUG CreDocument: set interline space 100 
01/16/26-16:39:51 DEBUG CreDocument: set gamma index 15 
01/16/26-16:39:51 DEBUG CreDocument: set font-family font faces: ||||||FreeSerif|| 
01/16/26-16:39:51 DEBUG building font face menu table 
01/16/26-16:39:51 DEBUG CreDocument: set textlang embedded langs true 
01/16/26-16:39:51 DEBUG CreDocument: set textlang hyphenation enabled true 
01/16/26-16:39:51 DEBUG CreDocument: set hyphenation trust soft hyphens 0 
01/16/26-16:39:51 DEBUG CreDocument: set textlang hyphenation soft hyphens only false 
01/16/26-16:39:51 DEBUG CreDocument: set textlang hyphenation force algorithmic false 
01/16/26-16:39:51 DEBUG CreDocument: set hyphenation left hyphen min 0 
01/16/26-16:39:51 DEBUG CreDocument: set hyphenation right hyphen min 0 
01/16/26-16:39:51 DEBUG CreDocument: set floating punctuation 0 
01/16/26-16:39:51 DEBUG Typography lang: using en-US from doc settings 
01/16/26-16:39:51 DEBUG CreDocument: set textlang main lang en-US 
01/16/26-16:39:51 DEBUG UserHyph: reset user hyphenation dict 
01/16/26-16:39:51 DEBUG CreDocument: requesting DOM version: 20240114 
01/16/26-16:39:51 DEBUG CreDocument: set visible page count 1 
01/16/26-16:39:51 DEBUG CreDocument: loading document... 
01/16/26-16:39:51 DEBUG CreDocument: loading done. 
01/16/26-16:39:51 DEBUG   loading took 0.058 seconds 
01/16/26-16:39:51 DEBUG Typography lang: not overriding en-US with doc language: en-US 
01/16/26-16:39:51 DEBUG CreDocument: rendering document... 
01/16/26-16:39:51 DEBUG CreDocument: rendering done. 
01/16/26-16:39:51 DEBUG   rendering took 0.026 seconds 
01/16/26-16:39:51 DEBUG validateAndFixToc(): quick scan 
01/16/26-16:39:51 DEBUG validateAndFixToc(): TOC is fine 
01/16/26-16:39:51 DEBUG CreDocument: set alt document prop authors Eliezer Yudkowsky 
01/16/26-16:39:51 DEBUG CreDocument: set alt document prop title Harry Potter and the Methods of Rationality 
01/16/26-16:39:51 DEBUG CreDocument: goto page 1 flow 0 
01/16/26-16:39:51 DEBUG _refresh: Enqueued partial update for region 0 0 960 1008 dithering: false 
01/16/26-16:39:51 DEBUG setDirty partial from widget ReaderUI w/ NO region; dithering: nil 
01/16/26-16:39:51 DEBUG CreDocument: set page info  
01/16/26-16:39:51 DEBUG CreDocument: goto xpointer /body/DocFragment[1]/body/div/svg.0 
01/16/26-16:39:51 DEBUG _refresh: Enqueued partial update for region 0 0 960 1008 dithering: false 
01/16/26-16:39:51 DEBUG setDirty partial from widget ReaderUI w/ NO region; dithering: nil 
01/16/26-16:39:51 DEBUG CreDocument: set bookmarks highlight and internal history false 
01/16/26-16:39:51 DEBUG _refresh: Enqueued partial update for region 0 0 960 1008 dithering: false 
01/16/26-16:39:51 DEBUG setDirty partial from widget ReaderUI w/ NO region; dithering: nil 
01/16/26-16:39:51 DEBUG CreDocument: set page info  
01/16/26-16:39:51 DEBUG Spinning up new ReaderUI instance table: 0x7fde7ededd38 
01/16/26-16:39:51 DEBUG show widget: ReaderUI 
01/16/26-16:39:51 DEBUG update_mode: Update refresh mode partial to full 
01/16/26-16:39:51 DEBUG _refresh: Enqueued full update for region 0 0 960 1008 dithering: false 
01/16/26-16:39:51 DEBUG setDirty full from widget ReaderUI w/ NO region; dithering: nil 
01/16/26-16:39:51 DEBUG painting widget: ReaderUI 
01/16/26-16:39:51 DEBUG readerview painting "960x1008+0+0" to 0 0 
01/16/26-16:39:51 DEBUG CreDocument: goto page 1 flow 0 
01/16/26-16:39:51 DEBUG Found font: NotoSansCJKsc-Regular.otf in ./fonts/noto/NotoSansCJKsc-Regular.otf 
01/16/26-16:39:51 DEBUG setDirty full on no specific widget: found a dithered widget, infecting the refresh queue 
01/16/26-16:39:51 DEBUG update_dither: Update dither hint false to true 
01/16/26-16:39:51 DEBUG _refresh: Enqueued full update for region 0 0 960 1008 dithering: true 
01/16/26-16:39:51 DEBUG setDirty full from widget nil w/ NO region; dithering: true 
01/16/26-16:39:51 DEBUG _repaint: it was dithered, infecting the refresh queue 
01/16/26-16:39:51 DEBUG _refresh: Enqueued full update for region 0 0 960 1008 dithering: true 
01/16/26-16:39:51 DEBUG triggering refresh {
  mode = "full",
  region = "960x1008+0+0"
} --[[table: 0x7fde7cb6db58]] 
01/16/26-16:39:51 DEBUG refresh on logical rectangle 960x1008+0+0 
01/16/26-16:39:51 DEBUG ReaderStatistics: Initializing average time per page at 50% of the max value, i.e., 60 
01/16/26-16:39:51 DEBUG Explicit widgetRepaint: table: 0x7fde958d4ef8 @ 0 0 
01/16/26-16:39:51 DEBUG setDirty via a func from widget nil 
01/16/26-16:39:51 DEBUG _refresh: Enqueued ui update for region 0 983 960 25 dithering: false 
01/16/26-16:39:51 DEBUG triggering refresh {
  mode = "ui",
  region = "960x25+0+983"
} --[[table: 0x7fde7d11cdb0]] 
01/16/26-16:39:51 DEBUG refresh on logical rectangle 960x25+0+983 
01/16/26-16:39:51 INFO  Restoring user input handling

Additional information

Since I've enabled debug logs the opening process is much faster, even after disabling debug logs.
I'm not sure how to reproduce the issue or what type of information I can gather.

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