Merge pull request #42 from fujiwara/tagpr-from-v15.1.4

Release for v16.0.0

Merge pull request #40 from fujiwara/tagpr-from-v15.1.3

Release for v15.1.4

Merge pull request #39 from fujiwara/tagpr-from-v15.1.2

Release for v15.1.3

Merge pull request #38 from fujiwara/tagpr-from-v15.1.1

Release for v15.1.2

Merge pull request #35 from fujiwara/tagpr-from-v15.1.0

Release for v15.1.1

Merge pull request #32 from fujiwara/tagpr-from-v15.0.2

Release for v15.1.0

Merge pull request #30 from fujiwara/tagpr-from-v15.0.1

Merge pull request #27 from fujiwara/tagpr-from-v15.0.0

Release for v15.0.1

Merge pull request #22 from fujiwara/tagpr-from-v14.2.0

Release for v15.0.0

Merge pull request #19 from fujiwara/tagpr-from-v14.1.0

Release for v14.2.0