credit:"""Congratulations to [[Mohammad Rahmani|https://github.com/kookma]] and [[Elise Springer|https://www.wesleyan.edu/academics/faculty/espringer/profile.html]] for their winning design for the banner for this release (here are the [[other entries|https://groups.google.com/g/tiddlywiki/c/GU0TPGNMPvw/m/y1SyQk_nAQAJ]]).
The [[cascade mechanism|Cascades]] provides a flexible way to choose between multiple options. Crucially, it is done in a way that makes it simple for plugins to tweak the logic or add their own options.
There are two parts to these changes. The underpinning is a new [[Cascade Filter Run Prefix]] that takes a list of filters and runs them in order, returning the result of the first one to return a value.
The second part is a series of improvements based on this new filter cascade mechanism. Conditional logic that was previously hidden within core templates can now be extended and tweaked much more easily than before.
Choosing the following elements of the core user interface is now handled with cascades:
!! <<.link-badge-added "https://github.com/Jermolene/TiddlyWiki5/pull/6148">> New LetWidget
The LetWidget is an improved alternative to the existing VarsWidget. It is recommended to use the new LetWidget instead of the VarsWidget in all circumstances.
The chief advantage is that the LetWidget performs the variable assignments in the same order as they are written, and permits references to earlier assignments. For example, here we swap the values of two variables:
```
<$let temp=<<foo>> foo=<<bar>> bar=<<temp>>>
...
</$let>
```
! Bug Fixes
* <<.link-badge-fixed "https://github.com/Jermolene/TiddlyWiki5/pull/6261">> fixed issue with drag and drop in Chrome 96
* <<.link-badge-fixed "https://github.com/Jermolene/TiddlyWiki5/pull/6013">> refreshing of LinkWidget attributes
* <<.link-badge-fixed "https://github.com/Jermolene/TiddlyWiki5/pull/6107">> crash when using "source=basename-uri-decoded" in tiddlywiki.files
* <<.link-badge-fixed "https://github.com/Jermolene/TiddlyWiki5/commit/8ae4428332e03a1fdaee26f777a0c3a372fff401">> ''$timestamp'' attribute ignored when using ActionSetFieldWidget to set the value of an index
* <<.link-badge-fixed "https://github.com/Jermolene/TiddlyWiki5/commit/2af632a46d74e223f99a67c6aaa5bc6931e9466e">> crash during static rendering of [[CodeMirror Plugin]]
* <<.link-badge-fixed "https://github.com/Jermolene/TiddlyWiki5/pull/6015">> image picker in theme tweaks to not dismiss when an image is selected
* <<.link-badge-added "https://github.com/Jermolene/TiddlyWiki5/pull/5998">> a [[new hidden setting|Hidden Setting: Show Edit Preview per Tiddler]] for controlling the visibility of the editor preview pane on a per-tiddler basis
* <<.link-badge-improved "https://github.com/Jermolene/TiddlyWiki5/commit/b0f72d069086dee8506758c643f953f9ec55f403">> sidebar plugin listing to show icon and more details
* <<.link-badge-fixed "https://github.com/Jermolene/TiddlyWiki5/commit/9caba544eb04f56ed772340a2d8767974b2617c9">> refreshing of the CodeBlockWidget
* <<.link-badge-extended "https://github.com/Jermolene/TiddlyWiki5/pull/6145">> EditTextWidget to provide a new ''actionValue'' variable to action strings that contains the value of the input
* <<.link-badge-added "https://github.com/Jermolene/TiddlyWiki5/pull/6150">> new [[zth Operator]] that works like [[nth Operator]] but counts from zero instead of one
* <<.link-badge-extended "https://github.com/Jermolene/TiddlyWiki5/pull/6149">> [[Map Filter Run Prefix]] to provide additional variables to the filter
* <<.link-badge-added "https://github.com/Jermolene/TiddlyWiki5/pull/6130">> new ActionSetMultipleFieldsWidget, new SetMultipleVariablesWidget and extended ActionSendMessageWidget for working with multiple variables/fields/indexes/parameters in one operation
* <<.link-badge-added "https://github.com/Jermolene/TiddlyWiki5/pull/6012/files">> new `focus-editor` operation to [[WidgetMessage: tm-edit-text-operation]]
* <<.link-badge-added "https://github.com/Jermolene/TiddlyWiki5/pull/5275">> support for recursively loading subdirectories with [[tiddlywiki.files Files]]
[[@Jermolene|https://github.com/Jermolene]] would like to thank the contributors to this release who have generously given their time to help improve TiddlyWiki:
