Image Line has released a public beta of FL Studio v8.5 for all users of FL Studio Producer Edition.

Updates, fixes and additions include (grab a coffee):

• Ogun: synthesizer specialized in metallic timbres.
• Gross Beat: beat rearranger effect.
• Autogun: synthesizer based on Ogun.
• Fixed dropping mixer presets onto mixer tracks failing to select the right mixer track when shown at the bottom.
• Fixed crash when closing FL when playlist was shown & toolbars were detached.
• Fixed undocking annoyances in the browser.
• Fixed slow undocking of toolbars in Vista.
• Fixed Vista blur visible when hiding Wave Candy windows.
• Fixed OS error when song was running and returning from Vista's logging window or screensaver, while autoscrolling was on.
• Fixed hang when opening FL's main menu while holding accelerator keys in Vista.
• Fixed bug in Flangus & Flangus in Sytrus.
• Added workaround for missing characters in font used to display old GUI-less VST's.
• Updated timers to Vista-preferred ones.
• Fixed erratic cursor visible for a short time after dragging from browser in Vista.
• CPU meter no longer shows 99% when audio is temporarily suspended (was often reported as a bug).
• Fixed visual bug when detaching windows in Vista.
• Fixed crash when reloading projects through ALT+x shortcut, while a plugin is detached & focused.
• Fixed bug in multipoint envelope processing.
• Fixed crash through weird mouse click combo on the plugin preset buttons.
• Fixed annoyance in browser's 'show only one folder content'.
• Fixed problem when loading Maximus presets made with a specific version.
• Fixed some playlist key combo weirdness.
• Fixed not release defaulted to zero for some functions (step edit, piano roll dumps, etc).
• Fixed piano roll flam tool that wasn't starting with the right settings.
• Improved piano roll playback tool (can't miss tiny notes with fast mouse slides anymore).
• Fixed little thing in mixer's menu.
• Step edit mode: improved behavior when going backwards while holding notes.
• EQUO: fixed wrong FX send track display when reloading projects.
• Fixed possible hang in playlist Insert space/Delete space functions.
• FL ReWire: now uses tick position for ppq calculations instead of sample position.
• Canceling audio clip's "fit to tempo" detection dialog now cancels the fitting.
• Edison: snapping to zero-crossing (improved for mono samples) now allows to select edges of sample.
• Maximus: fixed display glitch for bands that are switched off.
• Sytrus: mouse wheel on pitch ratio selectors now behaves better.
• No more problem locating project files over networks.
• FPC: fixed pause point for layer pan and tune knobs.
• Wrapper: update interfaceless parameters in the GUI thread instead of the mixer thread.
• Wrapper: dropping fxb and fxp files on the title bar of the plugin window and on the step sequencer button now works.
• Fixed playlist automation clip display bug.
• Slicex: fixed little declicking glitch for specific cases.
• Fixed problem with hint system in plugins.
• Fixed little stretching glitch in some cases when a downbeat marker is present.
• Fruity Reeverb: store parameter changes in selected program instead of the first one.
• Video Player: fixed loading some settings.
• Wave Candy: added rounded corners size selector, made Vista blur look better, made preset switching faster.
• Improved multithreaded generator performances.
• Improved audio performances in Windows Vista.
• No one really asked, but auto scrolling state is now saved & restored.
• Updated compiler (D2007), drag&drop component, IPP library to latest versions.
• Added Janko layout to typing-to-piano keyboard option.
• Maximus now significantly faster.
• Plugin picker: thumbnail hint now shows all of the plugin's categories (also selected through arrows or mouse wheel), + other improvements.
• Added multithreaded mixer tracks processing, and moved CPU settings to the audio panel.
• Added global smart disable checkbox & new aligned tick lengths checkbox.
• New debug log in settings window.
• Can now double-click on effects in plugin picker.
• Added multithreading to effects processing.
• Can now drop effect presets onto mixer tracks & channels, mixer track presets onto effect slots and channels, channel & generator presets onto mixer tracks & fx slots.
• Shift+F8 now brings plugin database.
• Automation and Humanizing presets folders relocated to the Scores folder.
• Can now drop automation FSC's onto piano roll (when a controller is selected).
• Added access to Windows file shell menu from browser item menu.
• Added new browser folder icons & new 'Recent files' browser folder.
• Added starting & (approximate) working time information in project info window.
• Controls (in FL & FL plugins) now properly support Vista's window rescaling (font size).
• FL now accepts file drops in copy, move & link modes.
• Alt+drag from browser = force drag in 'link' mode.
• Dropping file onto the 'Open audio editor' shortcut button now opens it in a new audio editor.
• Dropping file in 'move' mode (e.g. from Edison/Slicex/Sytrus) onto browser moves file to browser folder it's dropped on.
• Wave Candy now behaves better when 'Stay on top' & 'On desktop' are off.
• Added scrollbar for zooming to Fruity Envelope Controller in key & vel mapping modes.
• New browser 'Sort by -> Group' option to put most important folders on top (sort group in .nfo files).
• Song info window now shows up while loading project.
• New (optional) big hint bar, showing progress more clearly when loading projects or processing lengthy stuff.
• Improved envelope point decimation (used in automation-to-automation clip & Sytrus/Ogun).
• Can now drop audio files onto most envelope editors (does same as audio analysis).
• Playlist now sticks to right edge when browser is resized.
• 'Close all windows' now closes detached windows too, and added 'Close all unfocused windows' option, to keep the focused one open.
• Missing plugin warning (now only once per plugin type) now the same for wrapped VST's.
• Added browser hovering helper for too large items.
• Envelope step editing now works with snap off, with point decimation.
• Added level scaling & point decimation tools to envelope editor (in plugins).
• Shift+mouse wheel to quickly zoom browser.
• Extended browser extra search folders to 30 entries.
• New (fortunately optional) project data folder setting.
• Fruity WaveShaper: gutter is now clickable.
• Playlist Edit->Insert / Delete space now cuts through playlist clips.
• Plugin picker now features categories.
• Enlarged playlist & piano roll time bar, playlist panels are not swappable anymore.
• Piano roll / playlist local menu (F3 or extra mouse button) now lists editing modes.
• FL's audio displays now show proper region purpose colors.
• Right-clicking playlist items no longer deletes them (hold halt to do so). (removed?).
• Playlist: extra mouse button brings clip source selection popup.
• Fixed (I think) infamous invalid playlist clips bug.
• Added random color option for patterns, made playlist clip focus selector update along with default item.
• Added useful colors menu to name edit dialog (right-click color button for random color).
• Audio clips are auto-colored when dropped (& playlist track is auto-colored when clip is dropped on it).
• Added 'Select by selected source' in playlist, to select clips of patterns or channels that are selected.
• Brand new playlist track naming & tools for better song organization.
• Mixer icons now available to channels (& playlist tracks).
• New playlist 'behind clips' modes (& old beveled mode is gone).
• Playlist auto-focuses clip type when current clip source changes.
• Improved playlist clips display at small sizes.
• Added 'Deselect' & handy 'Select time around selection' option.
• Added a couple of new mixer icons.
• Improved 'Best fit' & 'On selection' zoom presets (will zoom on selected items if no time selection exists).
• Improved note & clip deletion (won't miss events when rapidly deleting) & fixed little bug in note deletion from note properties.
• Added note & clip muting.
• Improved note & clip moving/resizing detection.
• Added note & playlist clip grouping (works on selecting, moving, resizing, deletion, muting, shifting using mouse wheel).
• Recorded audio clips in loop recording mode are now muted, instead of the associated channel.
• Added 'group notes' option to piano roll chop, arp & flam tools.
• Improved vertical scrolling in event editor / piano roll / playlist.
• Middle click now works as panning & works vertically as well in piano roll / playlist, and made it work in event editor as well.
• Alt+mouse wheel on playlist now vertically zooms in-place (like ctrl+wheel on time).
• Added support for Korg nanoKEY, nanoPAD & nanoKONTROL controllers.
• Added button for portamento (just like for slide) to piano roll.
• Piano roll / playlist: right alt + right click to quick quantize a single note / clip start position, end position, or both (works in slip edit mode too).
• Piano roll / playlist brush mode now works better for note / clip lengths that aren't quantized.
• Improved Edison's resampling (for even better prefilter transition).
• Added 'Only with selection' & random seed options to PR articulate tool.
• Added 'Center' knob to piano roll / event editor level scaling tool.
• FL built-in tempo detector changed to alternate (constant tempo) one.
• 'Make unique' on automation clips now copies (preserves) the link to the control(s).
• Right-clicking the piano roll 'select' button brings the select menu.
• Ctrl+Shift+right click in playlist zooms on a single clip (handy to edit automation clips).
• Improved oversampling quality & speed (Sytrus, Fruity WaveShaper, etc).
• Groove quantizer: can now delete notes too (by just setting velocity to 0 in templates).
• New 'Riff machine' piano-roll tool (see Tools in main menu as well) to create riffs by blending various templates & settings.
• Sytrus: added new 'improved' & 'even' unison distribution modes (see options menu).
• MIDI input messages are now logged (only when log window is visible).
• Number of insert tracks upgraded to 99, for a total of 105 mixer tracks.
• Slicex: right-clicking slice output selector now brings a popup listing mixer track names.
• New Fruity Stereo Shaper plugin (for stereo splitting and effects).
• Audio files recorded from FL's mixer now embed tempo information (the tempo at the time of recording).
• Last tweaked parameter menu moved from plugins to FL's Tools menu.
• New 'Tools->Last tweaked->Override volatile link...' to set up a MIDI knob that always controls the last tweaked parameter.
• Multilink to controller's LED popup now applies to the last tweaked params if the list is empty.
• Wave Candy / Fruity Dance: anim window popup now features 'View settings' to bring up the actual plugin editor.
• Fruity Dance can load user sprite sheets.
• New 'Claw machine' score tool in piano roll (works well along with Slicex).
• PR/PL/EE, and Edison/envelope editors: new autoscrolling when hitting edges while editing.
• PR/PL: new "snap to other events" mode (also works with ghosted notes).
• Event editor can now be aware of which plugin parameters appear 'centered' (supported by Sytrus so far).
• Some menu items (save plugin preset & score) can now be dragged around (like browser files).
• Added option to invert piano roll grid colors (for improved readability).
• Wave Candy: added new metering modes for loudness visualization.
• Can now drop channel data (samples, etc) onto piano roll (more intuitive for Slicex).
• Holding ALT while SHIFT-rescaling piano roll scores snaps rescaling ratio.
• Missing project samples now located first in project folder, then only in last folder where previous missing data was found.
• Loading a project with missing samples now asks for the content downloader to locate them.
• Right-clicking the 'enable effect slots' mixer buttons now shows or hides editors of all plugins for that track.
• Fixed little Slicex resizing glitch.
• Slicex: improved realtime & offline in/out declicking.
• Incoming MIDI notes now have their MIDI channel mapped to the corresponding selected channel in FL.
• Audio clips (& sampler channels): added various declicking modes in channel settings window.
• Envelope editor: improved tools.
• Ogun: new Create pad harmonics tool.
• Newbie enhancement: 'Start on input' feature is not saved/restored anymore.
• Can now export a piano roll to a MIDI file (notes only).
• Dropping audio clips onto playlist aligns them properly according to the downbeat marker (if present).
• FL Studio Edition users who have purchased Edison VST can now use the FL version in FL.
• Fruity Squeeze: adapted to be threadeable.
• Fruity Multiband Compressor: adapted to be threadeable.
• Fruity Scratcher: adapted to be threadeable.
• Fruity Video Player: adapted to be threadeable.
• FL Studio VSTi: added tray icon to easily show/hide FL window.
• Edison: added new spectrum display gradients.
• Edison: right shift + mouse for tempo fine tuning.
• Edison: no more pops in sample playback when selecting.
• Edison: fixed tempo set to 1.0 when undoing in some rare cases.
• Edison: hint for tempo grid now properly follows downbeat marker.
• Edison now drags files in move mode, to avoid extra temporary files (when dragging from an Edison/Slicex/Sytrus to another, or between Slicex decks).
• Edison/Slicex: new 'Export regions->For sampler use...' that exports with marker middle notes, and improved export.
• Edison: new Regions->Detect beats option.
• Edison / Sytrus / others: added new envelope point modes.
• Edison: new 'Lossy normalize' option to maximize short samples without audible loss.
• Edison: setting sample to tempo-synced defaults the tempo (if not set yet) to the one of the host.
• Edison can now be maximized (double-click titlebar or press enter).
• Edison: changed file-based audio undo system (standalone versions were conflicting).
• Wrapper: fixed chunk size loading and saving bugs.
• Wrapper: fixed updating the preset list for Attack when loading a Cubase preset.
• Wrapper: don't save parameters if plugin has chunks but returns 0 for its chunk size.
• Wrapper: small fix for interfaceless plugin labels.
• Wrapper: fixed sysex implementation.
• Wrapper: added option to steal keyboard focus from the plugin.
• Wrapper: adapted to new drag and drop implementation.
• Wrapper: buffers are now aligned better.
• Wrapper: adapted effect version to be threadeable.
• Wrapper: added "Record parameter changes" option.
• Wrapper: added options screen to replace options menu.
• Wrapper: implemented multiple inputs and outputs for effects.
• Wrapper: multiple inputs and outputs now works with the "Use fixed size buffers" option.
• Wrapper: can now load new "shell" plugins (WaveShell v5 and newer, mostly).
• Wrapper: minimize locked time when loading a plugin.
• Wrapper: re-implemented saving and loading of settings to be more future proof.
• Wrapper: optimized most buffer operations (copy/add/interlace/deinterlace).
• Wrapper: new look for interfaceless editor.
• Wrapper: now loads VST 1 and DX plugins automatically, instead of FL's internal host.
• Wrapper: fixes to save/load settings for Fruity Compressor and Fruity Blood Overdrive.
• Dashboard: send controller values on playback start.
• FPC: pad now triggers different velocity depending on vertical position of the mouse cursor.
• FPC: added "Show GM note names" option to show/hide names in the note selection menu.
• FPC: adapted to new drag and drop implementation.
• FPC: added popup menu with mixer track names to output selector.
• DirectWave: fixed crash when Canceling"Browse" button.
• DirectWave: fixed sample loading from absolute paths.
• DirectWave: more robust external bank import.
• DirectWave: avoid "no disk in drive" message when loading samples.
• DirectWave: small improvement to drag and drop.
• DirectWave: fixed event handling for hosted VST plugin.
• DirectWave: fixed browser update after clicking "Browse..." button.
• DirectWave: increased maximum polyphony from 64 to 51 voices.
• DirectWave: added browser preview volume control.
• DirectWave: added home button in browser.
• DirectWave: browser paths are shortened when they're inside the content library folder.
• DirectWave: added option to copy imported dwp and its samples to the content library folder.
• DirectWave: re-arranged options window.
• DirectWave: new import dll.