Is what4 safe to use?

what4 has no known vulnerabilities on the latest version (1.7.3). DepScope rates its health at 63/100 (moderate risk).

What is the latest version of what4?

The latest version of what4 is 1.7.3, released 2026-01-26.

No known vulnerabilities on the latest version of what4.

No, what4 is actively maintained. Latest release: 1.7.3 (2026-01-26).

DepScope has no curated alternatives for what4 at this time.

what4 is licensed under BSD-3-Clause.

hackagev1.7.3

Solver-agnostic symbolic values support for issuing queries

License BSD-3-Clausepermissive16 versions1 maintainers0 deps

/ 100

Health

use with caution

[email protected] low health (63/100) — consider alternatives

Health breakdown0 – 100

25/25

maintenance

0/20

popularity

25/25

security

9/15

maturity

4/15

community

Vulnerabilities

none known

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/hackage/what4

Last updated · 2026-01-26T16:47:56.440969654Z