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foobar2000 v2.26 preview change log

2026-08-05

Fixed certain malformed MP4/M4A/M4B files being presented with thousands of chapters.
Improved reading of RAR archives on network shares.
Faster opening of MP4/M4A files on network shares.
Fixed missing AAC codec details on specific internet radio stream.
ARDFTSRC: Prevented insane mode being invoked programmatically
Windows: Updated SQLite to the latest version.

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.
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]