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Latest version: UIFX - Drop Shadow Filter v1.10.2 (9 May 2026) >> Release Notes.

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Customer Reviews

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⁠January 2026    ★★★★★    This asset does as it's described 

I am so grateful I found this asset. As many of us know, Unity can have a lot of shortcomings ^_^ and this drop shadow filter looks great and is easy to use! Andy helped me so much with my questions.  –  nataliadalomba 

⁠December 2025    ★★★★★    Highly recommended! 

UIFX – Drop Shadow Filter is a simple yet powerful asset that fits perfectly into the Unity UI workflow. I’ve purchased several assets from this developer, and each one maintains a high level of quality. This filter feels like a native Unity feature rather than an external add-on. Everything works smoothly and predictably, with no issues so far. The developer provides fast and friendly support on Discord, which is always appreciated. Looking forward to future UIFX releases — highly recommended!  –  Sollare 

⁠April 2025    ★★★★★    Shadows That Pop! 

Okay so I was messing around with my game’s UI and OMG this drop shadow thing is SO cool! It’s like my buttons and text suddenly got all fancy and 3D-ish without me doing much. You just slap it on and boom – shadows everywhere, looking all professional like in those Canva designs :D I tried it with TextMeshPro and it worked perfectly, no glitches or anything. The best part? It even shows up in edit mode, so I don’t have to keep hitting play to see how it looks! Totally makes my game feel way more polished.  –  LoRaWAN 

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⁠August 2024    ★★★★★    Huge Timesaver 

I'm so happy that I no longer have to open Photoshop, and deal with the lengthy change workflow and the pixel shifts caused by shadows. The performance effect is good, but the option to bake into the texture, when I'm not going to use animation or use complex effects is very comforting.  –  caglarenes 

⁠April 2024    ★★★★★    Great assets, incredible support! 

We started using this asset to help us create drop shadows similar to what our design team was creating in Photoshop. The plugin worked great but we ran into some issues and reached out to their support which was incredible. They quickly followed up and helped us diagnose, troubleshoot, and fix our issues with email and remote troubleshooting sessions. It is rare to find such amazing support, can't wait to use other plugins by this developer!  –  tapiki_games 

Release Notes

9 May 2026 - Version 1.10.2

Improved

• Added better support for the new input system to demo scenes and scripts.

Fixed

• Fixed FilterStack (TextMeshPro) still rendering when text is empty.

6 April 2026 - Version 1.10.1

Improved

• Improved edge blending accuracy in Drop Shadow Filter in Inset mode.
• Added warnings for common world-space Canvas setup issues that can affect filter rendering.
• Added message to the Inspector for RenderSpace property when it is controlled by the FilterStack (TextMeshPro).

Optimised

• Optimised check for whether material outputs premultiplied-alpha, or it is a TextMeshPro material - by comparing material and not material shader (less GC too).
• Added RenderTexture.DiscardContents() to ErodeDilate shader for minor mobile optimisation.
• Internal filter composite optimised for Unity < 2020.0 - removed alpha blending from the first blit.

Fixed

• Fixed HasMeshChanged() checking vertices for additional shader channels.

26 March 2026 - Version 1.10.0

Added

• New FilterBase methods BeginPropertyChange() and EndPropertyChange() added for efficiently changing multiple filter properties at once.

Improved

• Optimised rendering for filters (such as Dissolve) that make the Graphic completely invisible, by making that filter and child filters no longer render.
• All blur filters now call RenderTexture.DiscardContents() - potential optimisation for mobile platforms.
• Optimised the garbage for FilterBase.HasMeshChanged() method.
• Filter inspector enums improved by adding buttons to step through enums instead of only being able to use the drop-down list.
• Updated all copyright messages to 2026.

Fixed

• Fixed bug where updating a Graphic color after the UIFX filter had already rendered in the same frame would results in the new color not being rendered.
• Fixed bug where updating Graphic additional vertex channels (uv1, uv2, uv3, tangent, normal) would not update the UIFX filter rendering.
• Fixed various shaders that wouldn't update correctly when they were reloaded and they didn't have those material properties to match their uniforms.

Previous Versions

13 March 2026 - Version 1.9.11

Improved

• Added Select / Deselect event support to FilterHoverStrength script to help support other input devices such as keyboards, gamepad and joysticks.
• Improved support for custom materials on Image / RawImage etc.
• Optimised some matrix transforms by changing multiply from 4x4 to 3x4.
• String comparison optimisations.

Fixed

• Fixed bug when Canvas.pixelPerfect is enabled and UI Transform.localScale is < 0.001 in FilterRenderSpace.Canvas mode, the resulting texture would become massive. This is due to Unity's UUM-103165 change in 6000.0.56 and above.
• Fixed bug in Drop Shadow Filter that didn't render when only the Spread property was used.
• Fixed warnings when using custom shaders from Shader Graph that doesn't have stencil properties.
• Fixed crash in Unity 6.2 when using gradients in prefab mode (due to texture update optimisation).

14 December 2025 - Version 1.9.10

Fixed

• Fixed bug in Filter Stack (TextMeshPro) where 3rd-party scripts could cause WillRenderCanvases to trigger multiple times per frame causing the filter rendering to become corrupted.
• Removed unnecessary PerspectiveFilter shader property setting in Filter Stack (TextMeshPro).
• Fixed some edge case compiler issues in certain older Unity versions.

26 November 2025 - Version 1.9.9

Improved

• Added support for shaders that use ScreenParams property.

12 November 2025 - Version 1.9.8

Improved

• Filter Stack (TextMeshPro) now renders a preview in the Inspector window, and has a button to save to PNG.

Fixed

• Fixed regression introduced in 1.9.7 which prevented Filter Stack (TextMeshPro) from rendering when the Inspector preview panel was open.

4 November 2025 - Version 1.9.7

Improved

• Optimised FilterStackTextMeshPro - now performs one less blit and allocates one less RenderTexture.

Fixed

• Fixed incorrect clipping with RectMask2D when using Screen-space FilterRenderSpace and Camera-space Canvas rendering.
• Removed default WebCamTexture support from GraphicUpdate utility component to fix build issues on some platforms - now requires a define UIFX_WEBCAM to use.
• Fixed FilterStackTextMeshPro stencil buffer resetting.
• Fixed weights in 2D box blur shader.
• Minor script refactoring.

13 October 2025 - Version 1.9.6

Added

• Added new Graphic Update utility component which forces the Graphic to update (based on parameters) which is useful when the Graphic contains a dynamic RenderTexture, WebCamTexture or other dynamic content that needs the filter components to render when they change.

Improved

• Exposed all fields for Filter Stack (Text MeshPro) as properties for scripting.
• Refactored box blur shader and filter.

Fixed

• Fixed NullException in filters error when deleting RectMask2D hierarchy.
• Fixed a divide-by-zero in filters that could happen when scale became zero in Canvas mode.
• Fixed bug where using the filter baking button would cause an IMGUI layout begin/end mismatch error sometimes.

14 September 2025 - Version 1.9.5

Highlight: 🚀 Culling Performance Improvements

Changed

• Nintendo Switch platform now detected and uses same quality options as mobile (reduced shader precision and downsampled texture resolution) instead of the more expensive desktop quality.
• FilterStackTextMeshPro property UpdateOnTransform now disabled by default, which improves performance when using Canvas FilterRenderSpace mode, especially useful in a ScrollRect - this is possible due to improving RectMask2D culling support mentioned below.

Improved

• Filter components now handle RectMask2D culling correctly, leading to huge performance improvements, especially for common cases such as having many child UI elements in a ScrollRect.
• Filter Stack (Text MeshPro) filters now sorted alphabetically to make finding filters easier.
• Faster and more accurate detection code for detecting premultiplied alpha shaders.
• FilterStackTextMeshPro generates less garbage now.
• FilterStackTextMeshPro and FilterBase have new logic to detect HDR output from filters and switch to appropriate texture formats.
• All shaders optimised to produce fewer vertex shader variants, saving compile time and memory.

Fixed

• Fixed bug in FilterStackTextMeshPro where disabling the last filter would render a solid quad.

10 August 2025 - Version 1.9.3

Improved

• Added Preferences option to make the Inspector UI more compact by showing/hiding the components header/footer buttons.
• TextMeshPro & UI Toolkit are now automatically detected, so options to enable support have been remove from Preferences.
• Composite shader pow(0.5) changed to sqrt for performance.

Fixed

• Fixed incorrect handling of vertex color gamma/linear conversion in Filter Stack TextMeshPro that would cause the color to darken over time.
• Fixed regression introduced in 1.9.2 for RectMask2D causing FilterStackTextMeshPro to render incorrectly when removing the last filter in the list.

6 August 2025 - Version 1.9.2

Fixed

• Fixed buggy downsampling implementation introduced in 1.9.0 for handling texture that are larger than the system can handle. This manifested recently in world-space canvas rendering issues. Also added logging for when this happens.
• Fixed a rendering issue in FilterStackTextMeshPro when using RectMask2D for masking without UpdateOnTransform enabled and with Render Space set to Canvas - it wouldn't update the culling status as it went in/out of the rectangle.

5 July 2025 - Version 1.9.1

Fixed

• Fixed regression from version 1.9.0 related to [ExecuteAlways] where exiting play mode while editing a UIFX prefab would result in an error and incorrect rendering.

28 June 2025 - Version 1.9.0

Improved

• Added a better fallback path for when filters request a texture size larger than the system supports - previously materials were rendered without a texture leading to incorrect rendering - but now a warning is issued and the nearest supported texture size is used.
• All filters and effects now use [ExecuteAlways] instead of [ExecuteInEditMode] attribute to improve support for the prefab editor.

Fixed

• Fixed bug in FilterStackTextMeshPro where it would render fallback fonts using incorrectly alpha blending leading to visual artifacts.

30 May 2025 - Version 1.8.10

Improved

• FilterStackTextMeshPro inspector improved support for multi-object selection.

Fixed

• Fixed regressions introduced in 1.8.9 for the FilterStackTextMeshPro component related to HasMeshChanged() method.
• Fixed issue in FilterStackTextMeshPro when in Canvas mode setting the relative font size scaling wouldn't set the correct expand values, leading to cropping.

23 May 2025 - Version 1.8.9

Improved

• Performance has been improved when using the Text Animator asset. Rendering no longer updates continually either for text that doesn't contain a Text Animator component, or when the animation is not updating the vertex data.
• AnimationCurve properties on various filters and effects now show a warning when keyframe values are out of expected range.

24 April 2025 - Version 1.8.8

Highlight: 🚀 New Text Animator Support

Improved

• Added support for the popular asset Text Animator.

3 April 2025 - Version 1.8.6

Fixed

• Fixed several shaders to resolve very strict XBox and PS5 compilation errors.
• Fixed bug where TextMeshPro bounds were incorrectly calculated, resulting in things like underline sometimes not being rendered.
• Fixed TextMeshPro shaking when using 3rd-party text animation plugins like Text Animator.
• Fixed rare divide by zero bug in bounds padding calculation.

7 March 2025 - Version 1.8.5

Added

• All filters now have a new Expand property which controls whether the filter expands to fit the filter or keeps it's original size. This is useful to keep the filters within a region such as the new CameraSource component.

Improved

• DropShadowFilter shader slightly optimised.
• Added Spread property to DropShadowFilter.
• FilterHoverStrength component now supports multiple filters.

Fixed

• Fixed DropShadowFilter component Inset mode rendering incorrectly on the edges in some cases.

29 January 2025 - Version 1.8.4

Fixed

• Fixed bug where FilterStackTextMeshPro component would sometimes render to texture size too large due to including dummy null vertices - this also manifested in the pivot point affecting texture size. This fix will also improve performance in some cases due to smaller RenderTexture sizes.

17 January 2025 - Version 1.8.3

Added

• BlurDirectionalFilter has new option to allow blurring on only one side.

Fixed

• Fixed bug in FilterStackTextMeshPro that created rendering artifacts when switching Strength to zero via scripting.
• Fixed multiple selection logic for displaying of button to create FilterStackTextMeshPro component.

15 January 2025 - Version 1.8.2

Fixed

• Fixed bug where having multiple canvases would use the incorrect Canvas for the canvasLocalScale and thus render TextMeshPro incorrectly with FilterRenderSpace.Canvas.

14 January 2025 - Version 1.8.1

Fixed

• Fixed various bugs with FilterStackTextMeshPro when working with multiple selected objects.
• Fixed issue with blurry TextMeshPro when using Canvas with a Camera with a small orthographic size and FilterRenderSpace.Canvas.

Other

• Copyright messages updated to 2025.
• DisallowMultipleComponent attribute added to FilterStackTextMeshPro.

22 December 2024 - Version 1.8.0

Breaking Changes

⚠️ Commit/Back-up your project before upgrading!

• This version changed code that calculates the resolution independent scaling factor. This change is from previously using the monitor resolution or camera resolution to now using Canvas.scaleFactor - this fixes issues with the prefab mode having the wrong scaling, and also incorrect scaling when using the Canvas Scaler without having it set to 1920x1080. This is a breaking change if you are using Canvas Scaler in Scale With Screen Size mode without the reference resolution set to 1920x1080 and would mean that all filters that specify pixel values (eg Outline.Size) for properties will display differently and will need to be adjusted to achieve the original look. If you need to delay this improvement in your project, you can add the scripting define symbol UIFX_OLD178_RESOLUTION_SCALING to your project to revert back to old way of calculating resolution scaling.

• This version has a new feature that allows you to change whether the filters are rendered in canvas-space or screen-Space. Previous versions always rendered in screen-space, however rendering in canvas-space is much more optimal in most cases, so now this is the new default. This is a big change and could have consequences to your project, however you should be able to switch back to screen-space in your filter components to get back to the old behaviour if there are any issues.

Changed

• All filters changed from using FilterRenderSpace.Screen to FilterRenderSpace.Canvas by default. You can read more about FilterRenderSpace here.

Improved

• All filters when using the new FilterRenderSpace.Canvas mode will no longer re-render the filters when the transform are changed (as long as Canvas pixel-perfect setting is disabled).
• Editor inspector enum elements now resize better, switching between dropdown and expanded mode depending on the size of the window.

Fixed

• Fixed issues with the prefab mode having the wrong scaling, and also incorrect scaling when using the Canvas Scaler without having it set to 1920x1080 (see Breaking Changes above).
• Fixed issue where the filter wouldn't render when the Canvas.planeDistance was too near the camera near/far clipping plane. Also added a warning when this value is beyond a sensible range.
• Fixed some inspector window issues where some enums/sliders wouldn't show the correct state in prefab view.

5 November 2024 - Version 1.7.11

Added

• Added new Filters property to FilterStackTextMeshPro component. This allows API access to the filter list.

Improved

• Many filters use less GPU memory by freeing intermediate textures.
• All filters produce less garbage and do less work when being enabled/disabled by instead only destroying some resources in OnDestroy().
• All filters have improved support for rendering in RenderMode.WorldSpace.
• Editor preferences now have the options per-platform, making it easier to enable features like TextMeshPro support on multiple platforms.

Fixed

• Fixed a rare bug where a stack of filters with the same shader (like UIFX/Blend) wouldn't detect a parent shader change in GetModifiedMaterial() due to them having the same shader.

11 September 2024 - Version 1.7.10

Improved

• The feature to bake filters into an Image component has been improved and released out of beta.
• The feature to save filters to PNG image file has been improved and released out of beta.

3 September 2024 - Version 1.7.9

Added

• Added a handy new "Upgrade" button if the UIFX Bundle is not detected.

Improved

• Various minor code improvements.

14 August 2024 - Version 1.7.8

Highlight: 🚀 Lots of Improvements for TextMeshPro Support!

Improved

• Optimised FilterStackTextMeshPro to no longer render invisible filters to TextMeshPro (eg if Strength <= 0.0 or other parameters result in no rendering).
• Optimised FilterStackTextMeshPro to reduce the number of RenderTextures in some cases.
• FilterStackTextMeshPro editor on newer Unity versions now shows our custom ReorderableList.
• FilterStackTextMeshPro editor + button now shows list of filters.

Fixed

• Fixed bug where disabling TextMeshPro didn't stop FilterStackTextMeshPro rendering.
• Fixed bug in FilterStackTextMeshPro when using "in-context" prefab editor and nothing would render.
• Fixed FilterStackTextMeshPro editor where in older Unity versions empty filter slots wouldn't be cleared cleanly.
• Fixed a regression in FilterStackTextMeshPro editor where the filter list item selection was broken.
• Fixed bug where scaling the font too small would cause error due to texture size of 0.0 in the Drop Shadow Filter.

4 August 2024 - Version 1.7.7

Improved

• Added new Cutout compositing mode to Drop Shadow Filter.
• FilterStackTextMeshPro now has toggle for quickly enabling/disabling filters and delayed attribute for font relative size.
• FilterStackTextMeshPro has reduced memory usage in cases where second RenderTexture is not needed.

Fixed

• Fixed Reset() and OnValidate() sometimes not updating the rendering due frame caching optimisation.

28 July 2024 - Version 1.7.6

Fixed

• Fixed all effects and filters not restoring rendering when Canvas was disabled initially and then enabled.

18 July 2024 - Version 1.7.5

Improved

• Filter Stack TextMeshPro has many quality of life improvements.
• All UIFX filters now have helpful warning messages and solution buttons when used with TextMeshPro but without a FilterStackTextMeshPro component.
• Added new UpdateOnTransform property to FilterStackTextMeshPro to prevent re-rendering caused by transforms which improves performance if you don't require re-rendering.

Changed

• Changed TextMeshPro support to now read in vertices from the meshInfo.mesh instead of meshInfo.vertices which seems to work better with many other plugins that transform vertex positions.

Fixed

• Fixed bug with in-context Prefab Mode where UIFX filters wouldn't render.

1 July 2024 - Version 1.7.4

Highlight: 🚀 Major Blur Filter Update!

Breaking Changes

• The blur algorithm has changed slightly so any existing blurs in your project will be roughly half the size. To fix this your existing Blur property values for Blur Filter, Drop Shadow Filter, Outline Filter and Gooey Filter should be doubled.

Changed

• MultiBox blur changed from 3 to 2 passes resulting in a performance increase. This affects all filter components that use blurs internally.
• Filter Stack TextMeshPro now renders to a non-floating point texture format on Mobile devices resulting in a performance increase.
• Demo scenes refactored and now use Prefabs.
• Some refactoring and general code improvements

Fixed

• Fixed bug in Filter Stack TextMeshPro where it didn't render correctly when vertex alpha was used in Blur Filter.

16 June 2024 - Version 1.7.3

Improved

• Added optimisation to call GenerateScreenRect() less often.
• Removed some unnecessary GetComponent() calls.
• Changed to more correct method to get parent Canvas.

Fixed

• Fixed Filter Stack TextMeshPro component support for submeshes and fallback fonts.

6 June 2024 - Version 1.7.2

Fixed

• Fixed Filter Stack TextMeshPro component support for submeshes and fallback fonts.

31 May 2024 - Version 1.7.1

Added

• Added new Downsample option to UIFX - Drop Shadow Filter.
• Added scaling based on transform and font size to Filter Stack TextMeshPro.

Fixed

• Fixed rendering bug with Inset Mode with UIFX - Drop Shadow Filter.

24 May 2024 - Version 1.7.0

Added

• Added "Convert To Image" button to automatically bake all the filters into a texture and replace them with a RawImage component. This is a beta feature and must be enabled in UIFX preferences.

Fixed

• Fixed some compiler warnings.

10 May 2024 - Version 1.6.9

Added

• Added support for Canvas.vertexColorAlwaysGammaSpace for TextMeshPro rendering
• Added support for TextMeshPro.tintAllSprites for TextMeshPro rendering

Fixed

• FilterStackTextMeshPro now renders TextMeshPro vertex colors correctly
• Fixed regression that would cause FilterStackTextMeshPro to perform extra redundant image processing

3 May 2024 - Version 1.6.8

Fixed

• Fixed incorrect rendering of filters when Graphic has user defined material
• Fixed bug where Prefab view wouldn't render filters due to null Canvas
• Fixed bug where changing hierarchy could use incorrect Canvas in filters
• Fixed bug where undo could cause null exception in filters

30 April 2024 - Version 1.6.6

Improved

• Several optimisations for memory usage, code performance and garbage reduction

Fixed

• Fixed rare bug in filter rendering logic, where mid-frame dynamic font texture update would cause mesh regeneration, which would cause incorrect rendering due to optimisation that prevented multiple renders per-frame

24 April 2024 - Version 1.6.4

Improved

• Text Mesh Pro text rendering is now pixel perfect in orthographic camera mode
• Some minor script optimisations

Fixed

• Fixed Blur Filter radius being too small in some cases
• Fixed Text Mesh Pro sprite rendering blend mode

20 April 2024 - Version 1.6.2

Improved

• Clearer TextMeshPro filter rendering
• All Strength property sliders improved to change color when activated
• Shader code cleaned up
• Tested with SoftMaskForUGUI

Fixed

• Fixed support for Mask/RectMask in all filters
• Fixed TextMeshPro Drop Shadow edge artifact
• Fixed null exception when adding filter to GameObject without Graphic component

16 April 2024 - Version 1.6.0

Highlights

• Massive performance improvements across all filters
• Many TextMeshPro issues fixed and improvements

Performance

• Eliminated redundant per-frame filter rendering
• Added per-platform performance settings to allow lower precision and downsampling to be used on some platforms
• Drop Shadow performance improved due to smaller area processed
• All property changes are now checked for changes and only trigger minimal rendering
• Editor preview no longer renders every frame, now only when rendering changes

Improved

• FilterStackTextMeshPro now ignores empty placeholder vertices and updates whenever camera/transform changes and has a handy dropdown of the filter list to make adding filters easier
• More accurate projection matrix region calculations
• World-space canvas support improved
• Added support for SVGImage (part of com.unity.vectorgraphics) component and other UI components that have Graphic.useLegacyMeshGeneration enabled

Changes

• Renamed component TextMeshProFilters to FilterStackTextMeshPro

Fixed

• Fixed TMP sprite rendering material
• Fixed TMP rendering blurry due to not setting the ScreenParams
• Fixed issue when no World Space camera was assigned, no defaults to Camera.main
• ZTest shader mode now set via variable so Unity rendering can control it - previously was forcing ALWAYS

4 April 2024 - Version 1.5.6

New

• TextMeshPro is now supported by all filter effects!!
• Filters (Blur, Outline, Drop Shadow etc) now support TextMeshPro through the new component UIFX - TextMeshPro Filters. This component also allows easy filter reordering and supports TMP sprites and underlines.
• New project preferences menu exposes plugin options

30 March 2024 - Version 1.5.4

Improved

• Optimised Drop Shadow filter to use less GPU memory and bandwidth
• Some minor general code improvements

Fixed

• Fixed issue where filter wouldn't run when textures were too large, maximum texture size is now limited
• Fixed bug where resolution-independent scale would be calculated incorrectly sometimes
• Fixed bug where enum property sometimes wouldn't be saved correctly
• Fixed bug where changing the transform wouldn't cause the filter to re-render

19 March 2024 - Version 1.0.2

New

• Added stereo render (VR) support thanks to PedroB.
• Added new feature to preview filter in the Inspector and option to export to PNG image
• Added new API method FilterBase.SaveToPNG() in to write filter output to PNG
• Added new API method FilterBase.ResolveToTexture() to resolve filter output to RenderTexture

24 February 2024 - Version 1.0.0

• First release