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Formula Editing from the Grid Modeling

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Formula History Tab Modeling

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Improvements

• Formula editor polish — Improved modal layout, dark mode syntax highlighting, and cleaner display for large vector values that previously caused overflow.
• Sensitivity analysis blank state — The sensitivity analysis view now shows a clear empty state when no data has been configured yet.
• New formula functions — findheader(), findancestor(), and assoc() are now available for more advanced lookup and navigation within your model.
• New unit support — Added short ton, long ton, kBTU, GJ, volt-ampere, and apparent and reactive power units (VA through GVA and VAR through GVAR).
• Unit display aliases — Units now show familiar aliases (e.g. “MW” instead of internal canonical names), making the unit selector easier to read.

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Bug Fixes

• The Escape key now reliably closes the formula editor.
• Autocomplete hints now show human-readable labels instead of raw internal IDs.
• The IRR/XIRR solver now converges correctly when the result is a negative rate.

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Charts on Project Overview Research Preview

• Add any saved chart as a widget from the overview page
• Arrange widgets by dragging them in the grid
• Charts update automatically as your model changes
• Supported chart types: waterfall, bar, line, stacked bar, tornado, KPI card

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Cash Flow and Waterfall Charts Research Preview

• Cash Flow Chart — Visualize project cash flows across your full timeline, organized by period.
• Waterfall Chart — Break down a financial output into its component contributions.

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Improvements

• Clone scenario — Now prompts for a name and refreshes immediately — no manual reload required.
• Short-ton unit — Added ton (short-ton) as a distinct unit, properly separated from metric ton to avoid aliasing errors.
• Formula editor — Improved dark mode syntax highlighting and faster formula history loading.

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Bug Fixes

• Vector values — Fixed overflow in the formula editor modal for long vector values.

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Grid Mode Views

• Formula hovers show the full expression for any calculated term
• Scalar and array values display consistently in the same grid
• Pin timelines as grid headers for time-series navigation

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Redesigned Project Home Platform

• Editable project description visible from the project home
• Model stats — term count, block count, and case count — displayed at a glance
• Navigation shortcuts to jump directly to key views

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Improvements

• Collapsible side panels — Left-hand navigation menus and toolbars can now be collapsed to maximize workspace.
• Horizontal scroll always visible — The horizontal scroll bar is now pinned to the bottom of the all-blocks view for easier navigation.

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Bug Fixes

• Formatting (currency $, percentages %, custom date formats like dd-mmm-yy) is now correctly applied to array and time-series terms.

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New Features

• Container auto-rerun — Container blocks now re-execute automatically whenever a connected input changes, so your outputs stay in sync without any manual intervention.
• Container log viewer — Runtime logs for each container execution are now accessible directly in the app. Click any error node in your model to jump to the exact log line that caused it.

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Bug Fixes

• Terms now land in the correct position when dragged, including across blocks and to the top of a block.
• Deleting a block no longer triggers a full page refresh.
• The horizontal scroll bar now stays visible when zoomed out.
• The unit selector is now available immediately when creating a new term.
• New terms now auto-focus the label field on creation.

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New Features

• AI-assisted edits flagged in version history — When a change is made using the AI assistant, the version history now shows an “AI” tag on that entry — so your team can see at a glance which edits involved AI assistance.

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Improvements

• Formula stays visible in error rows — You can now inspect the formula for a row even when it’s showing a calculation error, making it easier to diagnose and fix the problem.
• Fuzzy search for terms — Term search now uses fuzzy matching, so you get relevant results even when your query isn’t an exact match.

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Bug Fixes

• Tag creation no longer commits before you’ve finished typing.
• Tables no longer rubber-band or snap back unexpectedly while scrolling.
• Extra whitespace above the header row no longer appears.

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Improvements

• Shareable version URLs in project history — The selected scenario is now reflected in the URL, so you can share or bookmark a specific version comparison view directly.
• Change history search finds more — Search results now include terms matched by formula value and error state, not just label name.
• Change history is easier to read — Changed entries are visually highlighted, numbers display with proper formatting, and removed units and tags are identified by name instead of appearing blank.
• More accurate change history data — Project created and updated dates now reflect the correct timestamps, and percentage-based fields like discount rates no longer display incorrect currency symbols.

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Bug Fixes

• Horizontal scrolling in the spreadsheet view now works correctly when the cursor is near sticky columns.
• Live collaboration sessions no longer stop syncing for active sessions.
• The Enter key now reliably re-enters edit mode after confirming a cell edit.

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New Features

• retime() — Maps a phase-scoped array to your full project timeline. If you have costs spread across 8 construction months, retime() automatically places them in the right positions across a 20-year model — no manual padding or repeated formulas needed.
• sumby() and unique() — Two new functions for working with categorized data. sumby() aggregates values by a matching category — sum costs by technology type, outputs by phase, and so on. unique() returns the distinct values from an array, useful when you need a clean list of categories to work with.
• Smarter error recovery in the AI assistant — When the assistant encounters a formula error while editing, it now incorporates the error message into its reasoning and attempts to self-correct or explain what went wrong — reducing back-and-forth.

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Improvements

• AI assistant chat auto-scrolls — The chat panel now scrolls to the latest response automatically after the assistant replies.
• Cleaner navigation breadcrumbs — Removed redundant organization and project name repetition from the main breadcrumb trail.
• Clearer drag-and-drop feedback — Moving a term now shows more distinct visual cues while dragging, making reorganization easier to follow.

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Bug Fixes

• Clearing a term’s description or notes field now saves correctly without corrupting the model.
• “Last Updated” timestamps on the project overview page now reflect the correct time.
• Numbers in AI assistant responses now format correctly in markdown.
• Values in the version history side panel now display in full.
• Version history views now render correctly in dark mode.
• Date and timestamp column headers in version history are now correctly aligned.

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Improvements

• Softer warning and alert colors — Warning banners and error indicators now use calmer, lower-contrast colors for a less jarring experience.
• Confirmation before deleting a view or analysis — Destructive actions now show a clear confirmation dialog.
• More intuitive tag creation — An empty tag area now shows a plus button that opens the existing tag picker, making it clear how to add tags to a term.

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Bug Fixes

• Pressing Tab after confirming a table cell edit now moves focus to the next cell as expected.
• Blocks created from the left-hand navigation panel now appear in the “move term to” dropdown.
• Numbers in AI assistant responses now render correctly in all markdown contexts.
• Delete confirmation dialog text now displays with sufficient contrast to be readable.

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Project History with Version Control Collaboration

• Timeline view shows all model changes with timestamps
• Diff view compares any two versions side-by-side
• One-click restore to any previous state
• Automatic tracking requires no setup or manual saves

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Redesigned Tables Views

• Frozen headers stay visible while scrolling horizontally
• Edit term values directly in the table
• Show or hide columns based on what you need
• Search to quickly locate terms in large models
• Denser layout fits more information on screen
• Blue text instantly identifies editable inputs
• Column settings persist automatically

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AI-Powered Project Insights AI

• Natural language queries about any project metric
• Automated identification of key risk drivers
• Suggestions for model improvements and optimizations
• Context-aware responses reference specific terms and blocks

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Source Documentation Modeling

• Attach multiple sources to any term
• Support for URLs, file uploads, and text notes
• Source badges visible in Assumptions view
• Filter and search by source type or citation