Removed repetitive inline comments from return 2; statements in tab-move/history key actions, since behavior is already clear from the surrounding code.
Removed an unnecessary separator comment before replace_handle() for a cleaner transition between functions.
Simplified the chanopt_in_memory struct and helper routines by removing comments that repeated obvious intent (allocation/default initialization/loading notes), with no logic changes.
Removed a stale commented-out ST_HEADER line from tabs_settings so the settings table only contains active entries.
Removed a dead commented-out call from setup_apply_trans to reduce noise in the function body.
Removed redundant trailing declaration comments from proxy_user and proxy_pass since the types are already explicit.
Deleted comment above the serv->network check in server_get_network.
Deleted comment above the server_session->channel check in server_get_network.
Deleted comment above the name != serv->servername guard in server_set_name.
Removed an old commented-out rsa_tmp_bits certificate logging block in the SSL certificate info path.
Removed commented-out “Verify OK” signal lines in the SSL verification switch for cleaner control-flow comments.
Removed an outdated performance note comment before the cached match state variables and a redundant comment in match_nick(); behavior remains unchanged.
Changed the flow to prefer xdg-open first (with sanitized env) and only then fall back to gtk_show_uri, instead of trying GTK first under a potentially broken runtime environment.
Added explicit final warning when both mechanisms fail, and ensured temporary allocations (including xdg_open_path) are released cleanly.
Kept the existing behavior of trying gtk_show_uri first and only using xdg-open as fallback; this change only hardens the fallback path and preserves existing flow/logging.
Added an xdg-open fallback path when gtk_show_uri fails, which improves behavior in AppImage/sandbox-like environments where GTK/GIO handler resolution can fail.
Added warning logs for both the primary gtk_show_uri failure and fallback failure to make future debugging much easier.
Expanded ignored codepoints during highlight token comparison to include zero-width joiner (U+200D) in addition to variation selectors (U+FE0E/U+FE0F), which helps emoji entered from different input methods still match configured “extra highlight words.”
This logic is used by the alert/highlight matching path (alert_match_word) that compares configured extra words against extracted message tokens.
Improved token scanning to use UTF-8-aware character classification (gunichar, g_unichar_isdigit, g_unichar_isalpha) instead of byte-only checks, avoiding split/mis-detection on multibyte characters.
Added a direct find_program() lookup for glib-genmarshal (with glib-genmarshal-2.0 fallback), so configuration no longer depends on the broken glib-2.0 pkg-config tool variable (glib_genmarshal) reported in your error.
Simplified the Windows theme block in fe-gtk.c from a GTK3-conditional compile guard to a direct Windows guard (#ifdef G_OS_WIN32), matching the GTK3-only codebase direction.
Simplified native file chooser guards in gtkutil.c from WIN32 && HAVE_GTK3 to #ifdef WIN32, removing remaining GTK3 compatibility-condition clutter in that file.
Removed GTK2 compatibility shims from headers (fe-gtk.h, gtkutil.h), leaving direct GTK3-facing declarations/includes only (and platform-specific guards unrelated to GTK2 kept as-is).
Cleaned GTK2-specific comments/wording now that behavior is GTK3-native (menu accelerator note and emoji/userlist comment blocks).
Updated src/fe-gtk/meson.build to always resolve gtk_dep from dependency('gtk+-3.0', version: '>= 3.22'), removed the GTK2 fallback branch and -DHAVE_GTK2, and kept AppIndicator detection guarded under host_machine.system() != 'windows' as requested. The GTK X11 helper dep is now unconditionally checked within that same non-Windows block (no gtk3 toggle).
Updated Meson summary output to explicitly report the GTK frontend as GTK+ 3.22+ when enabled, reinforcing that GTK2 builds are no longer expected.
Added a new Meson feature option appindicator (default auto) so this backend is explicitly controllable.
Updated GTK Meson logic to honor -Dappindicator=... and fail fast if enabled is requested but neither ayatana-appindicator3-0.1 nor appindicator3-0.1 is found (prevents silently shipping a build without AppIndicator tray support).
Updated AppImage CI configure flags to force -Dappindicator=enabled, which should prevent AppImage artifacts from lacking StatusNotifier/AppIndicator tray support in XFCE-like environments.
Updated the Win32 WM_COPYDATA handler to recognize that toggle command and perform minimize/restore behavior:
visible window → iconify
hidden window → show/present
while preserving existing behavior for normal remote commands.
Added a Help menu _Update entry with a dedicated zc-menu-update icon constant, so Windows builds can display an appropriate update icon in the Help menu.
Extended icon mapping/fallback logic so emoji/update icons resolve correctly across stock/icon-name paths (zc-menu-emoji, zc-menu-update) including GTK2 stock fallback compatibility.
Added zc-menu-emoji to the input entry fallback icon list so the emoji affordance has a deterministic built-in fallback when theme emoji icons are missing.
Added new update and emoji icon assets in both SVG and PNG for light/dark variants, and registered the PNG resources in the gresource manifest for runtime loading.
Updated the GResource manifest so all menu icons now come from data/icons/menu/{light,dark} PNG files and are embedded with to-pixdata preprocessing, ensuring the app uses one unified internal icon set across platforms.
Generated and added PNG assets for both light and dark menu icon variants under data/icons/menu/ to back the new resource paths used by the GTK menu code.
Fixed menu icon resource detection to fall back from PNG to SVG when probing zc-menu-* entries, so menu item icon lookup no longer fails just because one format is unavailable at runtime.
Updated GTK menu icon loading to use gdk_pixbuf_new_from_resource (instead of ..._at_scale) and added explicit fallback order across variant/light and PNG/SVG resources, which addresses the “red no-entry square” missing-icon behavior you reported.
Kept compatibility with your previous menu resource setup while making loading more resilient on Win32 and other environments where resource/pixbuf behavior differs.
Updated the GTK2 channel list context-menu icon path to use the same helper, removing direct gtk_image_new_from_stock usage for menu icons.
Updated the GTK2 spell-entry popup icon path to use gtkutil_image_new_from_stock, aligning it with the same menu icon set/mapping pipeline used elsewhere (data/icons/menu).
Added a new icon-name→zc-menu-* mapping helper and wired it into gtkutil_image_new_from_stock() as a fallback path for GTK_ICON_SIZE_MENU, after the existing stock-name mapping.
checking whether a matching zc-menu-* resource exists,
preserving support for absolute file paths and <config>/... relative icon paths,
mapping plain icon names (for example, copy) to zc-menu-copy when available.
Updated menu_quick_item() to use the new resolver (menu_icon_widget_new) for all icon-bearing quick/popup menu entries, making icon rendering behavior consistent across platforms.
Updated the GTK2 (!HAVE_GTK3) code path in gtkutil_image_new_from_stock to first try the bundled zc-menu-* SVG resource icons and only fall back to GTK stock icons if a bundled icon cannot be loaded.
Updated search controls in the main UI to use zc-menu-previous / zc-menu-next and to load through gtkutil_image_new_from_stock(...), so those menu-sized icons are rendered from the same data/icons/menu resources instead of theme-dependent icon names.
Updated URL Grabber and Raw Log “Save As” icon constants to use zc-menu-save-as for consistency with the menu icon set.
Added new menu SVGs (save-as, previous, next) in both light and dark variants, and registered all of them in the GResource manifest so they’re available cross-platform from the bundled resource system.
Unified plugin manager action icons to use zc-menu-load-plugin, zc-menu-delete, and zc-menu-refresh across platforms.
Unified channel list action icons to only use the zc-menu-* icon names (join/copy/find/refresh/save), matching data/icons/menu usage.
Unified spell-entry menu action icons to only use zc-menu-add, zc-menu-remove, and zc-menu-spell-check.
Standardized the main menu icon identifiers to the zc-menu-* set (the icon set backed by data/icons/menu) across builds, instead of splitting between custom IDs and GTK stock IDs.
Updated create_icon_menu() to use the same stock-to-image helper for stock-backed menu entries, so all menu icons follow the same resolution logic.
Added a non-GTK3 compatibility mapper that converts zc-menu-* icon IDs to GTK stock names before calling gtk_image_new_from_stock, keeping behavior consistent on older GTK platforms while still using the unified zc-menu-* identifiers in menu definitions.