foobar2000 v2.26 preview change log

2026-07-23

• Windows: Reverted & frozen UPnP output DLL to build 2026-06-18, as newer versions crash on Wine due to missing C++ runtime functions.
• Improved SMB read throughput over high-latency connections.
• Fixed ARDFTSRC resampler integer overflow if fed extreme sample rates.

2026-07-17

• File Operations: Made gracefully refuse to rename archive contents.
• Converter: Reduced "read size" maximum value to 64MB for 32bit version, higher may cause stability issues.
• Converter: Made recover from read cache allocation errors and continue conversion.

2026-07-09

• More accurate on_playback_dynamic_info() timing, should restore correct operation of OpenMPT visualizations.
• Windows / Advanced Preferences: Dsable Wine treeview workarounds if running Wine newer than 11.12, as relevant issues are being fixed in Wine.
• Updated 7-zip library to 26.02
• Updated UnRAR library to 7.2.7
• Internal changes in archive readers, should not have visible effects.

2026-06-26

• Revised the interface used to tell decoders & file readers to cancel time-consuming operations (abort_callback).
  • Now compatible with C++20 std::stop_token semantics.
  • New SDK will enable these upgrades, while remaining compatible with past foobar2000 versions with a slight performance penalty.
• Updated 7-Zip library to 26.01.
• Updated UnRAR library to 7.2.6.

2026-06-23

• Fixed Ogg/Opus files with single chapter not showing correct track numbers.
• Windows: Fixed Direct2D visualizations getting stuck after GPU driver reinitialization.
• Mac: Replaced obsolete NSSavePanel methods with modern equivalents.
• Refactored thread synchronization helper code, should not have visible effects.

2026-06-18

• More spec-compliant writing of FLAC/Vorbis/Opus cover art (number of colors field).
• Converter: More reliable reading of encoder error logs.
• Converter: Worked around FLAC refusing to encode odd-length 24-bit files since recent changes.
• Windows: Made respect filesystem::open_shareable flag for opening local files (opens with all FILE_SHARE_*).

2026-06-10

• Converter: Made show detailed error messages when encoding via temp file as well.
• Converter: Restored encoder process priority class mapping.
• Mac: Fixed obscure file path mangling bug in helper code, no known symptoms.

2026-06-09

• Prevented specific search queries with too many nested or chained operators from crashing foobar2000 with a stack overflow.
• Fixed earlier 2.26 regression causing playlist search to be stuck showing "working" state if results haven't changed from previous lookup.
• Fixed a longtime UPnP search bug affecting discovery of specifc rare devices.
• Converter: made show output of command-line encoder program in error popup if conversion has failed.
• Improved handling of M4A tags with blank values.
• Improved handling of Matroska Segment Title field.

2026-05-26

• Fixed UPnP incompatibility with Denon receivers introduced in build 2026-05-15.
• Windows: Fixed Converter crash regression from build 2026-05-20.

2026-05-21

• Windows: Converter regression fix - last samples were missing when encoding through external encoder.

2026-05-20

• Windows: Improved UPnP renderer initialization if the machine has virtual network adapters.
• Windows: Improved Converter WAV writing CPU usage.

2026-05-19

• Resolved UPnP discovery disagreement with BubbleUPnP.

2026-05-16

• ARDFTSRC resampler update.
• UPnP resource leak regression really fixed.
• Windows: Fixed "suppress HTTPS certificate checks" regression from build 2026-05-14.
• Windows: Also fixed ftpes:// connections failing if the server doesn't have a trusted certificate.

2026-05-15

• UPnP resource leak regression fixed.
• Other UPnP bugs fixed.
• Windows: New VC runtime.

2026-05-14

• Upgraded network (HTTPS etc) encryption code on both Windows and macOS. TLS v1.3 is now supported, if your operating system supports it.
• Mac: ftpes:// is currently not supported due to technical limitations of Apple's Network.framework.
• Fixed "remove chapters" not working of Ogg files with chapters.
• Windows: Fixed some windows discarding multimedia keyboard events.
• Added Help / Search Query Syntax.
• Mac: Implemented real Help menu.
• Fixed static HTTP files being perceived as radio streams and looped indefinitely with HTTP seeking disabled in preferences.
• Fixed another UPnP discovery regression.

2026-05-08

• UPnP renderer lockup regression fix.
• Improved WebDAV reliability.

2026-05-07

• Improved UPnP renderer discovery reliability.
• Enabled audio/x-wav type in UPnP renderer.

2026-05-04

• Made send Windows version number when checking for component updates.
• Will only install component updates flagged compatible with system it's running on.

2026-04-30

• UPnP output: Enabled streaming to OpenHome devices.
• UPnP renderer: Implemented SetNextAVTransportURI method to allow gapless playback with compatible clients.
• Fixed incorrect channel mapping in 6.1 FLAC files without explicit channel mask field.
• Improved remapping of rear-center channel when playing to 5.1-side speakers.

2026-04-27

• UPnP renderer compatibility improved further (M-SEARCH handling, correct content type in SOAP responses).
• Windows: Keyboard shortcuts made show correct label for "context menu" key.

2026-04-20

• Revised UPnP renderer code, implemented various missing methods required by the standard; made compatible with various popular UPnP remote control applications.
• Windows: Made various DSP configuration dialogs not crash if invoked off-main-thread, which certain unmaintained old component does.

2026-04-17

• Fixed playlist search incorrectly refocusing first item in some scenarios.
• UPnP renderer: Made accept MP3 (audio/mpeg) streams.
• Windows: Updated zlib to 1.3.2. Note that system-bundled zlib is used on all other platforms.
• Mac: Fixed audio latency calculation bug that resulted in instability with smooth seeking mode.
• Mac: Included Playback Statistics v3.1.10.

2026-03-27

• Added experimental float8 PCM support.

2026-03-23

• Windows: Fixed lock up on specific playlist + album art + auto sizing column use pattern.
• Refactored MP4/M4A tag update code, should not affect output.

2026-03-19

• Fixed lock up on specific album art tag update operations.
• Mac: Included Playback Statistics v3.1.9.

2026-03-18

• Attempted fix for crashing in new radio-browser server finder.

2026-03-17

• Windows: Implemented alternate, more resource-efficient method of finding radio-browser servers.
• Improved recovery from momentarily unplugged audio device while paused.
• Fixed missing URL-decode of WebDAV file names being shown.
• Refactored filename sanitization code (Converter, File Operations), actual behavior should not change.
• Fewer C++ exceptions thrown when reading file tags.

2026-03-04

• Fixed multiple FPL load/save vs relative path handling issues.
• Fixed a regression which caused FPL loading to be much slower than it should be.
• Worked around recent change in radio-browser.info site configuration that broke foobar2000 client.
• Converter: Made file name preview recognize newly added %source_list_index%.

2026-03-03

• Made write more compatible genre tags to MP4/M4A files.
• Made ignore duplicate genre tag values in MP4/M4A files.
• Windows: Made show better error message for ERROR_LOGON_FAILURE.
• Windows: Fixed incorrect dark mode checkbox rendering of "do not ask again" in various popups.
• Windows: Album List worked around Wine bug #59448, made multi-selection visible on Wine.
• Converter: Added %source_list_index% & %source_list_total%, only for multi track image naming pattern use, to allow use of list indexes in the pattern.
• Converter: Restored remembering of last-used output folder per preset
• Converter: Restored ability to use .bat/.cmd files as external encoders.
• Converter: Restored console logging of external encoder parameters.

2026-02-25

• Improved M4A Apple tag compatibility, made recover tags containing null bytes in UTF-8 content.
• Smarter "remove duplicates" code, made aware of various scenarios where different perceived paths point to same file, made non case sensitive on Windows.
• Windows: Album List fixed repaint glitches when using multi selection mode.
• Windows: Upgraded toolchain from VS2019 to VS2022.
• Mac: Cosmetic changes in Preferences.

2026-02-18

• Fixed a regression causing crashes when trying to sort a large playlist that is currently playing.
• Windows: Restored GDI rendering of album art & visualizations by default, Direct2D is opt-in, to prevent GPU driver bugs breaking default foobar2000 settings.
• Fixed a bug in SMB code that prevented password-less user logins (other than guest user) from working.

2026-02-16

• Fixed horrible regression in FPL serialization code that caused nonsensical output when copying or drag&dropping playlist contents between foobar2000 instances using relative paths.
• Windows: Updated SQLite to the latest version.
• Made report video codec for H.266 and VP9 in MP4.
• Improved behavior of Advanced Limiter, made sure it resumes outputting bit identical signal after attenuation.
• Internet Radio: Worked around radio-browser site not working as documented, all tags get fetched again.
• Windows: Disabled delayload of ws2_32.dll, makes no sense on most configs.

2026-02-11

• Updated FFmpeg to latest git.
• Windows: Rebuilt FFmpeg without MSVC /fp:fast, which fixes a mis-compilation bug that resulted in crashing on Wine.
• Mac: Fixed window focus tracking bug which made playlist "remove"/"crop" menu command block incorrectly grayed after cycling windows.
• Mac: Mitigation for bugs in Apple's SMB support & folder watching. Moving folders with specific Unicode characters around no longer results in duplicate library items.
• Windows: Fixed WMA album art reader being not disabled if WMA decoder is disabled in Preferences.
• Windows: Fixed Direct2D visualization race condition bug resulting in random instability.

2026-02-06

• Windows: Removed Direct2D album art toggle - new default Direct2D code should work correctly everywhere, including Wine.
• Mac: Fixed Properties dialog bottom controls not being disabled during ReplayGain scan.
• Mac: Fixed Properties dialog ReplayGain scan not being cancellable.
• Mac: Attempted workaround for window order bugs if opened Properties dialog via context menu without activating foobar2000 application.
• ReplayGain scanner internal fixes, added new interface for components to access ReplayGain scanning options.

2026-02-04

• Windows: Fixed album art drawing regressions in non-Direct2D mode.
• Fixed default AccurateRip log save location not being reliably set to scanned album folder.

2026-02-03

• Mac: Fixed loss of Audio Unit settings when Audio Unit panel replaces whole parameter tree.
• Windows: Fixed unintended reliance on undocumented Gdiplus behavior, resulting in issues when running on Wine (mainly Properties dialog crashing).

2026-01-29

• ReplayGain scanner: Added option to write REPLAYGAIN_ALGORITHM tag.
• ReplayGain scanner: Default mode is now more accurately named "ITU-R BS.1770".
• Speex resampler code updated.
• Windows: Fixed portable relative path handling bug affecting having portable foobar2000 itself as indexed music folder.
• Windows: Converter: Fixed regression with high Unicode characters in output path.
• Windows: Restored Gdiplus rendering of album art viewers by default to workaround problems on Wine.
  • It's recommended to enable all "Direct2D" options in Advanced if running on modern Windows, for better performance.
• Windows: Added check for known Wine C++ exception handling problem causing stability issues, a notice is shown in Console on each startup if bad behavior is detected.
  • Affected systems will not auto submit crash reports, as they're of very little help now.
  • See Console output for further details.

2026-01-21

• Fixed holiday-coding bug in LargeFieldsConfig handling which resulted in Properties dialog not loading complete info in some cases (partial info not flagged as partial).
• Mac: Disabled out-of-process loading of Audio Units which caused display glitches.
• Mac: Fixed various issues with Audio Unit panel resizing.
• Windows: Made recover better from fooHelper.exe crash/termination (system file dialogs).
• Windows: Mitigation for "error 380" bug in latest Windows update, which caused specific file manipulations to fail in cloud-synced folders such as OneDrive folder.

2026-01-18

• Fixed MP4/M4A files not being played completely if their tags contain malformed Apple Gapless information.
• File Operations: Fixed erratic behavior if empty folders can't be removed.
• Mac: Built in Playback Statistics internal fixes.
• Workaround for Media Library crash when filesystem returns nonsensical folder contents (sighted with Wine).

2026-01-15

• Major Converter update:
  • New preset format, presets stored as .ini files in profile subfolder. Old presets imported on first run.
  • Backing up of profile before upgrading is recommended because of the above.
  • Added extensible post-conversion actions which can be used for ReplayGain scanning, integrity testing, etc.
  • On conversion error, encoder's stderr output is forwarded to foobar2000 console.
  • Fixed a bug causing int32 stream to be sent to encoders that don't recognize it if source is float64.
  • Ogg chaining is now off by default, Ogg chapters written by default instead.
• Fixed logic error in replaygain_scanner API implementation, use of replaygain_scanner object after finalize() wasn't working as documented.
• ARDFTSRC prevent implicit resampling using "max bandwidth" mode when told to use max quality.
• Speex resampler code update.

2026-01-07

• Made always write hours and minutes to Ogg chapter mark fields.
• Fixed Properties 'reload info' evading LargeFieldsConfig settings.
• Replaced libretro resampler with Speex resampler, providing better quality at comparable speeds / better speeds at comparable quality.
• Windows: Fixed ARDFTSRC resampler settings dialog being inaccessible from certain pages.

2026-01-02

• Windows: Worked around Wine crash in IWICBitmapScaler::CopyPixels() in album art view of Properties dialog.

2025-12-31

• Mac: Made pass correct realtime/offline flag to Audio Units, fixed specific Audio Unit visualizations not working.

2025-12-29

• Fixed recent regression that caused crashes on a fresh profile.
• Properly fixed tag writing issues on fragmented/streaming MP4 files.

2025-12-28

• LargeFieldsConfig technology is back - https://www.foobar2000.org/LargeFieldsConfig-v2
• Enabled WavPack asm optimizations on Windows for slight decoding speedup.
• Windows: fixed bugs related to copy-paste of file-relative locations in portable installs.
• Fixed MP4 tag writer corrupting specific kinds of fragmented/streaming MP4 files. Some of these are currently untaggable (fails cleanly). This will be properly fixed soon.

2025-12-17

• Mac: Because of erratic behavior of tableview controls on latest macOS, new macOS 26 appearance has been DISABLED. This will be looked into again later.
• File Operations: Fixed error with renaming files on redirected portable music folders & macOS volumes.
• Fixed various regressions with network shares in Media Library preferences page.
• Made new "Play On" accessible in Internet Radio panel context menus.
• Updated Opus decoder to v1.6.

2025-12-12

• Ported "Play on" feature from foobar2000 mobile - currently accessible from playlist context menu - internet radio stations and other http links can be sent directly to any UPnP renderer device.
• Default User Interface: made cycling tabs by keyboard shortcuts cancel tab rename in progress.
• Default User Interface: made playlist sort operations recognize %queue_index% and other playlist specific fields.
  • • This change is experimental and not currently available to add-on components. SDK update documenting how to do this will be made available shortly.
• Fixed Skip Track vs Playback Statistics interaction regression, skipped tracks are no longer marked as played.

2025-12-09

• ARDFTSRC resampler fixed incorrect flush behavior on seek.
• Retroarch resampler reduced sample offset.

2025-12-03

• Quality/bugfix updates to both resamplers.
• Converter: Made "no DSP reset" explicitly shown in overview, as it's dangerous if enabled unintentionally.

2025-12-02

• Fixed an issue with yesterday's changes in retroarch resampler that could cause glitches near the end of processed stream.

2025-12-01

• Restored out-of-the-box APL link support.
• Improved subsample offset behavior with retroarch resampler.

2025-11-25

• Fixed lockup regression with default-sorted autoplaylists when no default sort pattern is specified.

2025-11-24

• Refined workaround for foo_tags (M-Tags) component bugs. No longer hammers all subsongs when starting playback.
• Addressed properties dialog info reload glitch inflicted by disabling multi-subsong support.
• Made M3U playlists referencing multi subsong files show all subsongs, restoring behavior of past foobar2000 versions.
• Made entering blank incoming item sort pattern preserve original track order handed by app interacting with foobar2000, restoring behavior of old foobar2000 versions.

2025-11-21

• Added advanced preferences toggle to turn off all subsong support.
  • Use carefully, might have unwanted side effects or work partially.

2025-11-18

• Windows: Fixed crashing when a picture cannot be decoded for whatever reason.
• Windows: Added Gdiplus fallback when Windows Imaging can't decode some image, so systems without Windows Imaging codecs can again show album art.
• Mac: Implemented album art downscale-on-load, lowering memory usage of album art viewers etc (full size image is not loaded in contexts that will never show it).

2025-11-15

• Various fixes in new album art rendering routines.

2025-11-14

• Experimental Windows Imaging Component / Direct2D album art rendering in Default User Interface.

2025-11-07

• Windows: Enabled reading of EXIF orientation info from album cover pictures.
• Fixed a regression that prevented shortwindow AAC from being bounced to add-on decoder if available.
• Fixed more accidentally insane resampler behaviors.

2025-11-05

• Fixed accidentally insane default resampler settings.
• Windows: Added console output to troubleshoot specific portable mode bug.

2025-11-04

• Resampler settings update.
• Removed decades old hack for MP3 radio without content-type - should work as before and get recognized by content checks.
• Title formatting help updated again.

2025-11-01

• Updated title formatting help with some recent and some not-really-recent additions.
• Fixed one more obscure resampler bug.

2025-10-31

• Resampler fixes.
• Made resampler priority setting accept short names of resamplers, e.g. "retroarch;ardftsrc".
• Windows: Fixed certain DSP setting pages being impossible to navigate if DSP manager was created as a modal popup.

2025-10-30

• Resampler fixes.
• Suppressed specific slow Matroska integrity checks when opening file for both playback and integrity verification.

2025-10-29

• Replaced built-in SSRC resampler with ARDFTSRC.
• Cleaned up resampler settings, removed pointless "exclude rates" checkboxes, added explicit hints about formatting.
• Fixed TrueHD & MLP being shown as lossy.

2025-10-24

• Mac only evening update, fixed lockup regression fix.

2025-10-24

• Fixed very old race condition bugs in decoder merit management, potentially causing decoder to be listed twice.
• Fixed regression turning playback file open errors to "critical errors", incorrectly halting playback instead of playing next file.
• Added support for decoding TrueHD & MLP streams in Matroska.
• Removed both extremely inefficient and inaccurate probing of Matroska track bitrate. Only bitrates reported by decoders (that is all AC3 bitrates) are shown, as well as live bitrates while playing.
• Fixed missing info reload when changing stream via toolbar dropdown.
• Added support for M4A "long description" tag.
• Enabled experimental memory-mapped SQLite reading for configuration and metadb.
• Made manual metadb garbagecollect always perform sqlite vacuum.
• Mac: Fixed File Operations destination being editable in "rename" mode.

2025-10-17

• Windows: Attempted workaround for repaint glitches in multiline editboxes introduced in latest Windows 11 update. Note that this is a bug in Windows not foobar2000.
• Windows: Workaround for stuck visualizations if playback ends while foobar2000 is invisible.

2025-10-16

• Mac: Changed remove-item-from-playlist selection behavior, now selects next item so keyboard navigation doesn't move selection to top of the playlist.
• Fixed LD & ELD AAC not being reliably sent to alternate packet decoders.
• Fixed Decoding Speed Test not remembering last used DSP chain.

2025-10-12

• Windows: Fixed missing winsock init for SMB operations, causing all SMB access to fail if no other network features have been used first.
• Fixed bad interaction between WebDAV filesystem and media library.

2025-10-10

• Improved recovery of malformed UTF-8 text in various tag formats.
• Made malformed UTF-8 tags text reported in integrity verifier.
• MP4 tagging improvements:
  • Tagtype info (Apple, Nero)
  • No longer writes Nero tags by default for single chapter files, only for multi chapter where other tagging formats can't store per track tags.
  • Added support for more rarely used Apple tag elements.
  • No longer alters binary structure of Apple tag elements which are not affected by edits.
• Monkey's Audio decoding moved to FFmpeg, no longer including Monkey's Audio library with foobar2000 setup.
  • You can once again install Monkey's Audio decoder component to replace built-in FFmpeg decoder.
• New info field: container (MP4, Matroska, Ogg, etc)
• New title formatting field: %_cpu_arch%
• Mac: made playlist view receive copy/paste from Finder
• Mac: New icon from Apple Icon Composer
• Mac: Built with Xcode 26, enabled macOS Tahoe looks.
• Mac: Install components by drag&drop from Finder to components list.
• Mac: Playlist Manager columns can be toggled.
• Added drag&drop from Internet Radio pages to playlist.
• Attempt to play a password-protected resource such as radio stream now shows a password prompt.
• Converter: Better error messages when receiving unexpected data format change in mid-conversion; made discard blank chunks before checking for format match.
• Equalizer now accepts presets via drag&drop from Explorer/Finder.
• Workaround for foo_tags issue [being backported to 2.25.x]
• Workaround for WAV headers claiming zero length [being backported to 2.25.x]
• Fixed File Operations link vs portable relative paths [being backported to 2.25.x]

foobar2000 mobile is an advanced audio player for mobile devices.

Main features:
* Supported audio formats: MP3, MP4, AAC, Vorbis, Opus, FLAC, WavPack, WAV, AIFF, Musepack.
* Gapless playback.
* Full ReplayGain support (playback and scanning).
* Supports playback and downloading music from various network servers (UPnP, FTP, WebDAV).