• New — Tools API — Introducing new feature — toolbox now can have multiple entries for one tool! Due to that API changes: tool's toolbox getter now can return either a single config item or an array of config items
• New — Blocks API — composeBlockData() method was added.

🤘 Read the overview of the Multiple Toolbox items feature: https://codex.so/editorjs-toolbox

• Fix — Issue with toolbox preventing text selection fixed #2051

• Fix — Scrolling issue when opening toolbox on mobile fixed
• Fix — Typo in toolbox empty placeholder fixed
• Fix — The issue with scroll jumping on block hovering have fixed 2036
• Improvement — Dev Example Page - Add popup example page
• Improvement — UI - The Toolbox will restore the internal scroll on every opening

— Fix — The I18n of Tools` titles at the Toolbox now works correctly #2030

• New — UI — The Toolbox became vertical 🥳
• Improvement — UI — the Plus button will always be shown (previously, it appears only for empty blocks)
• Improvement — Dev Example Page - Server added to allow opening example page on other devices in network.
• Fix — UI — the Toolbar won't move on hover at mobile viewports. Resolves #1972
• Fix — OnChange event invocation after block insertion. #1997
• Fix — ReadOnly — the readonly.isEnabled API getter now works correctly after readonly.toggle() calling. Resolves #1822
• Fix — Paste — the inline HTML tags now will be preserved on pasting. #1686

— Fix — Crash on initialization in the read-only mode #1968

fix(ci): incorrect release tag fixed #1964

Fix - Recognize async onPaste handlers in tools #1803.
Fix — Fire onChange event for native inputs #1750

• Improvement — UI — Block Tunes toggler moved to the left
• Improvement — UI — Block Actions (BT toggler + Plus Button) will appear on block hovering instead of click
• Improvement — UI — Block Tunes toggler icon and Plus button icon updated
• Improvement — Dev Example Page — The menu with helpful buttons added to the bottom of the screen
• Improvement — Dev Example Page — The 'dark' theme added. Now we can code at night more comfortably.
• Improvement — Rectangle Selection — paint optimized
• Fix — Rectangle Selection — the first click after RS was not clear selection state. Now does.
• Improvement — Blocks API — toolbar moving logic removed from blocks.move() and blocks.swap() methods. Instead, you should use Toolbar API (it was used by MoveUp and MoveDown tunes, they were updated).
• New — Blocks API — The getBlockIndex() method added
• New — Blocks API — the insert() method now has the replace: boolean parameter
• New — Blocks API — the insert() method now returns the inserted Block API
• New — Listeners API — the on() method now returns the listener id.
• New — Listeners API — the new offById() method added
• New — API — The new UiApi section was added. It allows accessing some editor UI nodes and methods.
• Refactoring — Toolbox became a standalone class instead of a Module. It can be accessed only through the Toolbar module.
• Refactoring — CI flow optimized.

• Improvement — The onChange callback now accepts two arguments: EditorJS API and the CustomEvent with type and detail allowing to determine what happened with a Block
• New Block API — The new dispatchChange() method allows to manually trigger the 'onChange' callback. Useful when Tool made a state mutation that is invisible for editor core.