v2.18.0

What's New

• Collaboration connection state — Track room outages and recovery with getCollaborationConnectionState() and onCollaborationConnectionChange callback.
• Edit attribution — Yjs edits tagged with human vs. programmatic origin for server-side revision tracking and auto-save logic.
• Tab presence in Document API — Hidden tabs and tab-scoped edits now exposed to SDK reads for agent automation.

Performance

• Large-table editing — Eliminated repeated font planning during aggressive typing in large tables.

Fixes

Collaboration

• Guard interrupted bootstrap retries from writes before rejection.
• Suppress ready event after rejected room creation.
• Wait for built-in create seed visibility.
• Validate glossary upgrades without breaking legacy rooms.
• Preserve external collaboration objects marked for exclusion.
• Attribute built-in UI commands by actor origin.
• Support existing content-control mutations in collaboration.
• Allow undoing image insertion in collaborative sessions.

Content Controls

• Preserve formatting in inline content-control wraps.
• Preserve nested content-control raw properties and single-quoted attributes.
• Preserve content controls on clipboard paste.
• Delete direct paragraphs containing inline controls.
• Mutate header and footer content controls in their own parts.
• Create footer initials controls after inline tabs.
• Render inline content-control chrome on Backspace and forward delete.

Tables & Lists

• Reveal borderless table cell guides on hover.
• Replay tracked table row changes atomically per cell.
• Preserve table cell spacing on V2 paste.
• Skip self-closing list text nodes.

Import & Export Fidelity

• Preserve paragraph-level breaks in imported text.
• Render imported positioned tab leaders.
• Refresh inline content-control metadata across repaint.
• Resolve anchor offsets across tabs and breaks.
• Bound footnote reserve by page geometry.
• Split anchored metadata at V2 Enter boundaries.

Diff & Tracked Changes

• Apply text changes inside unchanged bookmarks.
• Replay proofing boundaries in formatting-only diffs.
• Replay bounded complex REF and bookmark additions.
• Preserve commented tracked replacements across foreign insertion.
• Retain direct formatting on joined footnote markers.

Other

• Prevent Backspace backlog in V2 editing.
• Return room-specific collaboration upgrade outcomes.