Copilot

Adds documentation for the `join` function in the chart template guide's functions and pipelines section. ### Changes - Added new "Using the `join` function" section after the `default` function section...

fix: omit utility type with recursive interfaces causing stack overflow

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## Summary Fixed regression where `Omit` utility type with recursive interfaces causes "maximum call stack size exceeded" error. ## Completed Work - [x] Set up test environment - [x] Create...

Identified and fixed performance bottlenecks across Android and Web SDKs affecting multi-threaded logging, file I/O, and database operations. ## Android SDK **Thread-safe SimpleDateFormat** - Replaced shared `SimpleDateFormat` instances with `ThreadLocal`...

Add Enter key support for single-choice information dialogs

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## Description Single-choice information dialogs (Save/Erase confirmations, error messages) now respond to Enter key press in addition to mouse click. Improves keyboard navigation and mobile usability. ### Changes **Modified `showInformationDialog()`...

Implements shadow mapping for WebGPU renderer to make `webgpu_shadows.html` example functional. ## Bug Fixes - Fixed import paths in `WebGPUResourceManager.js` and `WebGPUState.js` (`../core/` → `../../core/`) - Fixed linting errors (trailing...

feat: expose `mycielskian()` and `make_mycielski_graph()`

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This PR was prepared with the assistance of GitHub Copilot. - [x] By submitting this pull request, I assign the copyright of my contribution to _The igraph development team_. ##...

feat: autogenerate 108 non-callback functions, reduce IGNORE specs from 128 to 19

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Removed `IGNORE:` specifications for all feasible non-callback functions and regenerated Stimulus interfaces, enabling automatic wrapper generation for 108 previously ignored functions. ## Changes - **Removed IGNORE specs** for 109 non-callback...

docs(revdep): Analyze and document reverse dependency problems

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Analyzed three packages with newly broken checks to determine root causes and assess whether issues stem from igraph bugs or downstream package issues. ## Analysis Created `revdep/problems-analysis.md` with detailed findings:...

feat: standardize optional vertex parameters to use `NULL` default

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- [x] Merge main branch - [x] Resolve merge conflicts - [x] Remove spurious system headers from .dd files (cpp11.dd, rinterface.dd) - [x] Move optional VERTEX subtraction logic outside of...

Use `vctrs` for vector recycling

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Replaces manual vector recycling using `rep(x, length.out = n)` with `vctrs::vec_recycle(x, n)` for better error messages and consistency. ## Changes - **R/plot.R**: Use `vctrs::vec_size_common()` to determine common size in `igraph.Arrows()`,...