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v2.1.0

v2.1.0: igraph 2.1.0
@krlmlr krlmlr tagged this 29 Sep 06:45 
See <https://github.com/igraph/rigraph/blob/05973441b83decdeab8cc9c500a642c00b924770/src/vendor/cigraph/CHANGELOG.md> for a complete changelog, in particular the section "Breaking changes".

## Features

- Update vendored C/igraph sources to igraph/igraph@d2e0f4eb567dfc505227c346a015bef574c4ccd1.
- Add `independence_number()` as an alias of `ivs_size()` (#1522).
- Add `get_edge_ids()` as an alias of `get.edge.ids()` (#1510).
- Support `fit_power_law(implementation = "plfit.p")` to compute the P-value (#1386).
- Export `.from()` etc. with behavior similar to `dplyr::across()` (#1436).
- Add `max_degree()` (#1403).
- Add experimental `sample_chung_lu()` (#1416).
- Rename methods available for `sample_degseq()` and add the `"edge.switching.simple"` method (#1376).
- Weight support for `eccentricity()` and `radius()` (#1211).
- Add some argument checking to `add_shape()` (#1478).
- Remove functions deprecated before 1.0 (#1352).

## Breaking changes

- Breaking change: remove tkigraph from {igraph} proper (#1474).
- Breaking change: Hard-deprecate `get.edge()` and `layout.grid.3d()` which have been deprecated for 10 years (#1398).
- Breaking change: use `rlang::arg_match()` in `igraph.match.arg()` (#1165).

## Bug fixes

- Add ellipsis to dummy functions `.nei()` and others (#1487).
- Fix includig diagonal elements in dense adjacency matrices (#1437).
- Align the body of `graph.lattice()` with its replacement `make_lattice()` (#1439).
- Use `deprecated()` as default value for `circular` argument to `make_lattice()` (#1431).
- `subgraph_centrality()` now ignores edge directions (#1414).
- Remove unintended type conversions when using `disjoint_union()` (#1375).
- Add missing `PROTECT()` (#1382).
- Fix reading of LGL and NCOL files (broken in 2.0.0) (#1347).
- Fixed potential memory leak in `R_igraph_community_to_membership2()` (#1367).

## Documentation

- Use {devtag} for internal function docs (#1507).
- Improve the manual page of `sample_()` (#1477).
- Improve cross-links from `make_()` manual page (#1476).
- Update `is_separator()` documentation based on C docs (#1467).
- Fix navbar configuration (#1451).
- Add DOI to citation (#1450).
- Add slightly tweaked boilerplate `CONTRIBUTING.md` (#1423).
- Improve documentation of normalization methods for laplacian_matrix() (#1420).
- Fix typos in `?plot.common` (@gvegayon) (#1413).
- Fix `sample_degseq()` example (#1297).
- Fix `graph_from_adjacency_matrix()` examples to avoid warnings (#1302).
- Replace `\dontrun{}` with `@examplesIf` (#1307).
- Improve `sample_gnp()` examples.
- Improve centralization docs.
- Further clarifications for `betweenness()` (#1489).
- Clarify how betweenness with cutoff is normalized.
- Fix `centr_eigen_tmax()` docs.
- Make `edge_density()` examples relevant.
- Update troubleshooting document.
- Improve `eigen_centrality()` documentation.
- Further improved `cluster_edge_betweenness()` documentation.
- Improved `cluster_edge_betweenness()` documentation.
- Make `.igraph.progress()` and `.igraph.status()` more internal (#1516).
- `sample_forestfire()` tests and example (#1318).
- Soft-deprecate `erdos.renyi.game()` and `random.graph.game()` (#1509).
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