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Move 1.2 NEWS to HISTORY, set NEWS to 1.3 (JuliaLang#31690)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,142 +1,48 @@ | ||
| Julia v1.2 Release Notes | ||
| Julia v1.3 Release Notes | ||
| ======================== | ||
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| New language features | ||
| --------------------- | ||
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| * Argument splatting (`x...`) can now be used in calls to the `new` pseudo-function in | ||
| constructors ([#30577]). | ||
| * Support for Unicode 12.0.0 ([#31561]). | ||
| * Added `⋆` (`\star`) as unary operator ([#31604]). | ||
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| Language changes | ||
| ---------------- | ||
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| * Empty entries in `JULIA_DEPOT_PATH` are now expanded to default depot entries ([#31009]). | ||
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| Multi-threading changes | ||
| ----------------------- | ||
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| * The `Condition` type now has a thread-safe replacement, accessed as `Threads.Condition`. | ||
| With that addition, task scheduling primitives such as `ReentrantLock` are now thread-safe ([#30061]). | ||
| * It is possible to schedule and switch Tasks during `@threads` loops, and perform limited I/O ([#31438]). | ||
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| Build system changes | ||
| -------------------- | ||
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| * The build system now prefers downloading prebuilt binary tarballs for most dependencies on | ||
| supported systems, disable by setting `USE_BINARYBUILDER=0` at `make` time ([#31441]). | ||
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| New library functions | ||
| --------------------- | ||
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| * `getipaddrs()` function returns all the IP addresses of the local machine, with IPv4 addresses sorting before IPv6 addresses ([#30349, #30604]). | ||
| * `getipaddr(addr_type)` and `getipaddrs(addr_type)` functions returns an IP address(es) of the desired type of the local machine ([#30604]). | ||
| * Added `Base.hasproperty` and `Base.hasfield` ([#28850]). | ||
| * One argument `!=(x)`, `>(x)`, `>=(x)`, `<(x)`, `<=(x)` have been added, returning partially-applied | ||
| versions of the functions, similar to the existing `==(x)` and `isequal(x)` methods ([#30915]). | ||
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| Standard library changes | ||
| ------------------------ | ||
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| * `Enum` now behaves like a scalar when used in broadcasting ([#30670]). | ||
| * If a `pipeline` is specified with `append=true` set, but no redirection, an `ArgumentError` | ||
| is thrown, rather than a `ErrorException` ([#27900]). | ||
| * Functions that invoke commands (e.g. `run(::Cmd)`) now throw a `ProcessFailedException` | ||
| rather than an `ErrorException`, if those commands exit with non-zero exit code ([#27900]). | ||
| * The `extrema` function now accepts a function argument in the same manner as `minimum` and | ||
| `maximum` ([#30323]). | ||
| * `hasmethod` can now check for matching keyword argument names ([#30712]). | ||
| * `startswith` and `endswith` now accept a `Regex` for the second argument ([#29790]). | ||
| * `retry` supports arbitrary callable objects ([#30382]). | ||
| * A no-argument constructor for `Ptr{T}` has been added which constructs a null pointer ([#30919]). | ||
| * `strip` now accepts a function argument in the same manner as `lstrip` and `rstrip` ([#31211]). | ||
| * `mktempdir` now accepts a `prefix` keyword argument to customize the file name ([#31230], [#22922]). | ||
| * `keytype` and `valtype` now work on `AbstractArray`, and return the `eltype` of `keys(...)` and | ||
| `values(...)` respectively ([#27749]). | ||
| * `nextfloat(::BigFloat)` and `prevfloat(::BigFloat)` now returns a value with the same precision | ||
| as their argument, which means that (in particular) `nextfloat(prevfloat(x)) == x` whereas | ||
| previously this could result in a completely different value with a different precision ([#31310]). | ||
| * `mapreduce` now accepts multiple iterators, similar to `map` ([#31532]). | ||
| * `filter` now supports `SkipMissing`-wrapped arrays ([#31235]). | ||
| * Objects created by calling `skipmissing` on an array can now be indexed using indices | ||
| from the parent at non-missing positions. This allows functions such as | ||
| `findall`, `findfirst`, `argmin`/`argmax` and `findmin`/`findmax` to work with these | ||
| objects, returning the index of matching non-missing elements in the parent ([#31008]). | ||
| * `inv(::Missing)` has now been added and returns `missing` ([#31451]). | ||
| * `nextfloat(::BigFloat, n::Integer)` and `prevfloat(::BigFloat, n::Integer)` methods | ||
| have been added ([#31310]). | ||
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| #### LinearAlgebra | ||
| * Added keyword arguments `rtol`, `atol` to `pinv` and `nullspace` ([#29998]). | ||
| * `UniformScaling` instances are now callable such that e.g. `I(3)` will produce a `Diagonal` matrix ([#30298]). | ||
| * Eigenvalues λ of general matrices are now sorted lexicographically by (Re λ, Im λ) ([#21598]). | ||
| * `one` for structured matrices (`Diagonal`, `Bidiagonal`, `Tridiagonal`, `Symtridiagonal`) now preserves | ||
| structure and type ([#29777]). | ||
| * `diagm(v)` is now a shorthand for `diagm(0 => v)` ([#31125]). | ||
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| #### SparseArrays | ||
| * Performance improvements for sparse matrix-matrix multiplication ([#30372]). | ||
| * Sparse vector outer products are more performant and maintain sparsity in products of the | ||
| form `kron(u, v')`, `u * v'`, and `u .* v'` where `u` and `v` are sparse vectors or column | ||
| views ([#24980]). | ||
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| #### Dates | ||
| * Fixed `repr` such that it displays `DateTime` as it would be entered in Julia ([#30200]). | ||
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| #### Statistics | ||
| * `quantile` now accepts in all cases collections whose `eltype` is not a subtype of `Number` ([#30938]). | ||
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| #### Miscellaneous | ||
| * Since environment variables on Windows are case-insensitive, `ENV` now converts its keys | ||
| to uppercase for display, iteration, and copying ([#30593]). | ||
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| External dependencies | ||
| --------------------- | ||
|
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| * libgit2 has been updated to v0.27.7 ([#30584]). | ||
| * OpenBLAS has been updated to v0.3.5 ([#30583]). | ||
| * MbedTLS has been updated to v2.16.0 ([#30618]). | ||
| * libunwind has been updated to v1.3.1 ([#30724]). | ||
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| <!--- generated by NEWS-update.jl: --> | ||
| [#21598]: https://github.com/JuliaLang/julia/issues/21598 | ||
| [#22922]: https://github.com/JuliaLang/julia/issues/22922 | ||
| [#24980]: https://github.com/JuliaLang/julia/issues/24980 | ||
| [#27749]: https://github.com/JuliaLang/julia/issues/27749 | ||
| [#27900]: https://github.com/JuliaLang/julia/issues/27900 | ||
| [#28850]: https://github.com/JuliaLang/julia/issues/28850 | ||
| [#29777]: https://github.com/JuliaLang/julia/issues/29777 | ||
| [#29790]: https://github.com/JuliaLang/julia/issues/29790 | ||
| [#29998]: https://github.com/JuliaLang/julia/issues/29998 | ||
| [#30061]: https://github.com/JuliaLang/julia/issues/30061 | ||
| [#30200]: https://github.com/JuliaLang/julia/issues/30200 | ||
| [#30298]: https://github.com/JuliaLang/julia/issues/30298 | ||
| [#30323]: https://github.com/JuliaLang/julia/issues/30323 | ||
| [#30372]: https://github.com/JuliaLang/julia/issues/30372 | ||
| [#30382]: https://github.com/JuliaLang/julia/issues/30382 | ||
| [#30577]: https://github.com/JuliaLang/julia/issues/30577 | ||
| [#30583]: https://github.com/JuliaLang/julia/issues/30583 | ||
| [#30584]: https://github.com/JuliaLang/julia/issues/30584 | ||
| [#30593]: https://github.com/JuliaLang/julia/issues/30593 | ||
| [#30604]: https://github.com/JuliaLang/julia/issues/30604 | ||
| [#30618]: https://github.com/JuliaLang/julia/issues/30618 | ||
| [#30670]: https://github.com/JuliaLang/julia/issues/30670 | ||
| [#30712]: https://github.com/JuliaLang/julia/issues/30712 | ||
| [#30724]: https://github.com/JuliaLang/julia/issues/30724 | ||
| [#30915]: https://github.com/JuliaLang/julia/issues/30915 | ||
| [#30919]: https://github.com/JuliaLang/julia/issues/30919 | ||
| [#30938]: https://github.com/JuliaLang/julia/issues/30938 | ||
| [#31008]: https://github.com/JuliaLang/julia/issues/31008 | ||
| [#31009]: https://github.com/JuliaLang/julia/issues/31009 | ||
| [#31125]: https://github.com/JuliaLang/julia/issues/31125 | ||
| [#31211]: https://github.com/JuliaLang/julia/issues/31211 | ||
| [#31230]: https://github.com/JuliaLang/julia/issues/31230 | ||
| [#31235]: https://github.com/JuliaLang/julia/issues/31235 | ||
| [#31310]: https://github.com/JuliaLang/julia/issues/31310 | ||
| [#31438]: https://github.com/JuliaLang/julia/issues/31438 | ||
| [#31441]: https://github.com/JuliaLang/julia/issues/31441 | ||
| [#31451]: https://github.com/JuliaLang/julia/issues/31451 | ||
| [#31532]: https://github.com/JuliaLang/julia/issues/31532 | ||
| [#31561]: https://github.com/JuliaLang/julia/issues/31561 | ||
| [#31604]: https://github.com/JuliaLang/julia/issues/31604 |