What's Changed

• Charting: coalesced worker-to-UI updates without per-observation snapshot rebuilds by @wieslawsoltes in #379
• Improve statistical stability and add descriptive-statistic functions by @wieslawsoltes in #378
• Add bounded bitwise formulas with array evaluation and integer-oracle tests by @wieslawsoltes in #381
• Add bounded radix conversions and exact integer-to-binary64 parsing by @wieslawsoltes in #383
• Charting: atomic multi-series streaming with aligned reduction and shared identities by @wieslawsoltes in #382
• Add scaled covariance, correlation and single-fit array forecasting by @wieslawsoltes in #384
• Add percentile ranks and bounded shared-distribution ranking queries by @wieslawsoltes in #386
• Add bounded FREQUENCY distributions with indexed bins and owned results by @wieslawsoltes in #388
• Charting: atomic coordinate and trailing-span windows over synchronized streams by @wieslawsoltes in #387
• Add exact-accumulated trimmed means and shared multi-percentage evaluation by @wieslawsoltes in #389
• Add MODE.MULT and bounded streaming mode aggregation by @wieslawsoltes in #393
• Add streaming AVERAGEA MINA MAXA with exact private mean accumulation by @wieslawsoltes in #394
• Charting: live fixed and trailing coordinate windows for chart models by @wieslawsoltes in #392

Full Changelog: v12.1.0.6...v12.1.5

What's Changed

• Charting: bounded streaming, gap-preserving decimation and allocation-safe pools by @wieslawsoltes in #350
• Optimize formula compilation, pooled evaluation, and registry invalidation by @wieslawsoltes in #351
• Add modern Excel array transformations, SORTBY, RANDARRAY and allocation controls by @wieslawsoltes in #353
• Charting: heatmaps, treemaps, sunbursts, gauges and typed hierarchy navigation by @wieslawsoltes in #352
• Fix approximate lookups and accelerate binary search, UNIQUE and stable sorting by @wieslawsoltes in #355
• Charting: reusable statistical and technical indicators with gap-aware linear-time algorithms by @wieslawsoltes in #354
• Charting: bounded grid snapshot windows and structural-category sampling safeguards by @wieslawsoltes in #356
• Accelerate numeric evaluation and fix concurrent compiled-plan publication by @wieslawsoltes in #357
• Reduce formula value storage with a compact tagged representation by @wieslawsoltes in #358
• Charting: indexed pointer queries, reusable viewport layout and correct secondary bubble selection by @wieslawsoltes in #359
• Charting: opt-in hierarchy exploration, public view hit testing and lifecycle cleanup by @wieslawsoltes in #361
• Implement LET, LAMBDA and ISOMITTED with lexical scopes and workbook integration by @wieslawsoltes in #360
• Charting: constant-space incremental EMA, RSI, MACD and ATR by @wieslawsoltes in #362
• Implement higher-order array formulas and closure-safe composition by @wieslawsoltes in #363
• Add vectorized text functions and Unicode compatibility indexing by @wieslawsoltes in #365
• Improve compiled formula throughput with readonly instruction traversal by @wieslawsoltes in #366
• Charting: filled range areas, analytical envelopes and paired-bound tooltips by @wieslawsoltes in #364
• Charting: indexed range-area selection and reusable interval viewport preparation by @wieslawsoltes in #367
• Fix significant-digit precision erasing small nonzero formula results by @wieslawsoltes in #368
• Add 32 scientific and combinatorial functions with bounded array evaluation by @wieslawsoltes in #369
• Add exclusive percentiles and accelerate order statistics with bounded selection by @wieslawsoltes in #370
• Charting: coordinated range-boundary decimation and owned windowed data views by @wieslawsoltes in #371
• Add fused product and paired-square aggregates with permanent formula CI by @wieslawsoltes in #372
• Charting: bounded live range ingestion with atomic batches and original sample identities by @wieslawsoltes in #374
• Add bounded matrix algebra with scaled LU and owned numeric workspaces by @wieslawsoltes in #373
• Improve TEXTSPLIT with bounded output, delimiter arrays and two-pass materialization by @wieslawsoltes in #375
• Add international workday calendars and bounded holiday-aware date arithmetic by @wieslawsoltes in #376
• Charting: bounded rolling statistics, live Bollinger bands and Donchian channels by @wieslawsoltes in #377
• Fix inspector freezes from zero-height rows during auto sizing by @wieslawsoltes in #380

Full Changelog: v12.1.0.5...v12.1.0.6

What's Changed

• Fix stack overflow when recycling auto-sized grid rows by @wieslawsoltes in #349
• Stabilize automation peers and async hierarchy expansion by @wieslawsoltes in #345
• Decouple current-cell navigation from row selection by @tobitege in #348

New Contributors

• @tobitege made their first contribution in #348

Full Changelog: v12.1.0.4...v12.1.0.5

What's Changed

• Consolidate layout performance documentation by @wieslawsoltes in #342
• Optimize virtual surface sorting and sample layout by @wieslawsoltes in #343

Full Changelog: v12.1.0.3...v12.1.0.4

What's Changed

• Add flat and virtual DataGrid layouts by @wieslawsoltes in #339

Full Changelog: v12.1.0.2...v12.1.0.3

What's Changed

• perf: beat TreeDataGrid hierarchy benchmarks by @wieslawsoltes in #335
• Expand ProDataGrid source generation for complex reactive apps by @wieslawsoltes in #334
• Add replaceable realization factory and optimize hierarchy expansion and collapse by @wieslawsoltes in #336

Full Changelog: v12.1.0.1...v12.1.0.2

What's Changed

• perf: optimize DataGrid scrolling, layout, and recycling by @wieslawsoltes in #333

Full Changelog: v12.1.0...v12.1.0.1

What's Changed

• fix(datagrid): correct selection shrinking with Shift+Up/Down by @IvanJosipovic in #325
• Update Avalonia to 12.1.0 by @wieslawsoltes in #324
• Infer row data types for clipboard bindings by @wieslawsoltes in #326
• Allow nested scrolling at ProDataGrid boundaries by @wieslawsoltes in #327
• Fix vertical scrollbar page increment synchronization by @wieslawsoltes in #328
• Harden DataGrid lifecycle, binding, and scrolling edge cases by @wieslawsoltes in #329
• Fix scrollbar auto-hide propagation across DataGrid themes by @wieslawsoltes in #330
• Test DataGrid popup and cross-window focus boundaries by @wieslawsoltes in #331
• Fix runtime compiled binding handling across DataGrid columns by @wieslawsoltes in #332

Full Changelog: v12.0.5...v12.1.0

What's Changed

• Avoid closure allocation in DataGridColumn.CoerceWidth by @MilanSteinbach in #308
• Complete multi-row drag selection behavior by @wieslawsoltes in #316
• Add Excel/DataGrip-style distinct-value column filtering by @wieslawsoltes in #318
• Add column width sharing across grids by @wieslawsoltes in #315
• Improve keyboard navigation and continuous edit mode by @wieslawsoltes in #312
• Fix blank recycled row cells by regenerating non-template content by @KrzysztofDusko in #321
• Reconcile realized rows after collapsing all groups by @wieslawsoltes in #320
• Add regression coverage for offset row drag coordinates by @wieslawsoltes in #319
• Fix new-row TextInput editing target by @wieslawsoltes in #317
• Add grouped spanning headers for column bands by @wieslawsoltes in #314
• Support sharing column definitions across DataGrids by @wieslawsoltes in #313
• Honor template content reuse during row recycling by @wieslawsoltes in #311
• Refresh cell validation after programmatic changes by @wieslawsoltes in #310
• Fix sorting for explicitly implemented interface properties by @wieslawsoltes in #323

New Contributors

• @MilanSteinbach made their first contribution in #308
• @KrzysztofDusko made their first contribution in #321

Full Changelog: v12.0.4...v12.0.5

What's Changed

• fix: Preserve selection by identity in DataGrid with new model by @IvanJosipovic in #305
• Practical fixes and changes to state saving/restoring by @TETYYS in #286
• Fix duplicate ProDiagnostics DevTools windows by @wieslawsoltes in #307

New Contributors

• @TETYYS made their first contribution in #286

Full Changelog: v12.0.0...v12.0.4