[Diff since v1.4.0](v1.4.0...v1.4.1)

**Closed issues:**
- MKL's FFTW increase the cost of schedule(t::Task)? (#164)
- Large Memory allocation for `fft` applied on real valued array (#194)

**Merged pull requests:**
- Update README to account for set_provider! (#199) (@jonas-kr)
- Fix for revertation from "mkl" to "fftw" (#201) (@N5N3)

[Diff since v1.3.2](v1.3.2...v1.4.0)

**Closed issues:**
- Docs stop being deployed? (#185)
- Eliminate build step, use Preferences (#188)
- Could not load symbol "fftw_init_threads" (#196)

**Merged pull requests:**
- Build documentation with Documenter 0.26 (#179) (@giordano)
- Small doc fixes (#184) (@charleskawczynski)
- Require Julia 1.6+, use Preferences, eliminate mutable state (#189) (@staticfloat)
- Run CI with Drone also on Alpine Linux (#190) (@giordano)
- Simplify `test/Project.toml` and remove redundant deps in `Project.toml` (#191) (@giordano)
- Mention Preferences in installation docs (#192) (@staticfloat)
- CompatHelper: add new compat entry for "Preferences" at version "1.2" (#193) (@github-actions[bot])
- prevent to library from being serialized at precompile time (#197) (@KristofferC)
- Bump version to 1.4.0 (#198) (@ararslan)

Build documentation with Documenter 0.26 (#179)

[Diff since v1.3.1](v1.3.1...v1.3.2)

**Merged pull requests:**
- Allow installing MKL_jll 2021 (#178) (@giordano)
- Improve inferrability of [region...] (#180) (@timholy)
- Add a few precompiles (#181) (@timholy)
- Version 1.3.2 (#183) (@timholy)

[Diff since v1.1.0](v1.1.0...v1.1.1)

**Closed issues:**
- Don't use Conda (#118)
- "libmkl_rt" on Windows (#120)
- slowdown in threaded code from julia 1.2 to julia 1.4-DEV (#121)
- could not load library "libmkl_rt" (#130)
- Weird Compat issue (#132)
- Pkg.add("FFTW") shouldn't install MKL (#133)
- hangs during `plan_rfft` (#137)
- Five argument mul! (#139)
- Deadlock with multiple FFTW plan construction / destruction in serial and threaded runs (#141)
- libfftw3 not defined on Raspberry Pi 3 Raspbian (#143)
- doesn't finish precompiling on julia 1.4 on macos (#144)
- timing freeze in 1.5  (#152)
- FFTW hangs when planning multiple transforms (#155)
- size should return 2 arguments? (#159)
- Concurrency bugs in the latest release (#161)
- 1.4.2 issue with 2D (#169)
- Missing symbol in FFTW_jll: FFTW_jll's version numbers are inaccurate (#170)
- TagBot trigger issue (#177)

**Merged pull requests:**
- Use parametric type for `region` field (#119) (@jipolanco)
- Upgrade to Julia 1.3+, use JLL package to provide FFTW (#122) (@staticfloat)
- Minor cleanup for Julia 1.3 (#126) (@ararslan)
- use MKL_jll instead of Conda during build (#127) (@IanButterworth)
- Fix windows MKL & add windows to travis (windows MKL wasn't being tested) (#128) (@IanButterworth)
- Update readme for mkl build note (#129) (@IanButterworth)
- Bump version for a new release (#131) (@ararslan)
- Install TagBot as a GitHub Action (#136) (@JuliaTagBot)
- nthreads check should be outside of static if (#138) (@stevengj)
- Some CI improvements (#147) (@giordano)
- Bump version to 1.2.1 (#148) (@ararslan)
- Add compatibility with `MKL_jll` v2020 (#149) (@giordano)
- don't set nthreads > 1 by default (#151) (@stevengj)
- Group tests with `@testset` (#153) (@giordano)
- use Julia ReentrantLock rather than fftw_make_planner_threadsafe (#160) (@stevengj)
- uses a spintest to avoid task switches in finalizers (#162) (@stevengj)
- MassInstallAction: Install the CI workflow on this repository (#172) (@timholy)
- Improve inference, bump AbstractFFTs [compat] (#173) (@timholy)
- CompatHelper: bump compat for "Reexport" to "1.0" (#175) (@github-actions[bot])
- minor tag for Reexport 1.0 (#176) (@ChrisRackauckas)
- Allow installing MKL_jll 2021 (#178) (@giordano)
- Improve inferrability of [region...] (#180) (@timholy)
- Add a few precompiles (#181) (@timholy)
- Version 1.3.2 (#183) (@timholy)

[Diff since v1.3.0](v1.3.0...v1.3.1)

**Merged pull requests:**
- Improve inference, bump AbstractFFTs [compat] (#173) (@timholy)

[Diff since v1.2.4](v1.2.4...v1.3.0)

**Closed issues:**
- 1.4.2 issue with 2D (#169)
- Missing symbol in FFTW_jll: FFTW_jll's version numbers are inaccurate (#170)

**Merged pull requests:**
- MassInstallAction: Install the CI workflow on this repository (#172) (@timholy)
- CompatHelper: bump compat for "Reexport" to "1.0" (#175) (@github-actions[bot])

## FFTW v1.2.4

[Diff since v1.2.3](v1.2.3...v1.2.4)

## FFTW v1.2.3

[Diff since v1.2.2](v1.2.2...v1.2.3)


**Closed issues:**
- Deadlock with multiple FFTW plan construction / destruction in serial and threaded runs (#141)
- timing freeze in 1.5  (#152)
- FFTW hangs when planning multiple transforms (#155)
- size should return 2 arguments? (#159)

**Merged pull requests:**
- use Julia ReentrantLock rather than fftw_make_planner_threadsafe (#160) (@stevengj)

## FFTW v1.2.2

[Diff since v1.2.1](v1.2.1...v1.2.2)


**Closed issues:**
- slowdown in threaded code from julia 1.2 to julia 1.4-DEV (#121)

**Merged pull requests:**
- Use parametric type for `region` field (#119) (@jipolanco)
- Some CI improvements (#147) (@giordano)
- Add compatibility with `MKL_jll` v2020 (#149) (@giordano)
- don't set nthreads > 1 by default (#151) (@stevengj)
- Group tests with `@testset` (#153) (@giordano)