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Cats Effect

Cats Effect is a high-performance, asynchronous, composable framework for building real-world applications in a purely functional style within the Typelevel ecosystem.
Version ▼ScalaScala.jsNativeVulnerabilitiesRepositoryUsagesDate
3.7.x
3.7-49729213
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.5 (3)
0.5 (2.13)
0.5 (2.12)
Central
14
Apr 04, 2025
3.7.03
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.5 (3)
0.5 (2.13)
0.5 (2.12)
Central
177
Mar 09, 2026
3.7-8f2b4973
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.5 (3)
0.5 (2.13)
0.5 (2.12)
Central
1
Mar 31, 2025
3.7.0-RC13
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.5 (3)
0.5 (2.13)
0.5 (2.12)
Central
19
Jul 30, 2025
3.6.x
3.6.33
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
340
Jul 23, 2025
3.6.2-6-a6816f03
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Jul 22, 2025
3.6.23
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
84
Jul 08, 2025
3.6.1-25-d807be03
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Apr 14, 2025
3.6.13
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
211
Apr 08, 2025
3.6-01426033
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
3
May 29, 2023
3.6.0-14-e3c932a3
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Apr 06, 2025
3.6.03
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
58
Mar 23, 2025
3.6-28f8f293
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Dec 01, 2024
3.6-ecf93db3
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Oct 25, 2024
3.6-bb17ea23
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Feb 13, 2024
3.6-c7ca6783
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
2
Jan 08, 2024
3.6-623178c3
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
2
Jan 03, 2024
3.6-8a371173
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Aug 28, 2023
3.6-02a43a63
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
2
Jun 29, 2023
3.6-e9aeb8c3
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
2
Jun 13, 2023
3.6-e1b1d373
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Apr 28, 2023
3.6-bbb5dc53
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Apr 27, 2023
3.6-1f95fd73
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Apr 21, 2023
3.6.0-RC23
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
7
Feb 28, 2025
3.6.0-RC13
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
8
Dec 28, 2024
3.5.x
3.5.73
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
274
Nov 26, 2024
3.5.63
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
28
Nov 20, 2024
3.5.53
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
96
Oct 27, 2024
3.5.43
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
370
Mar 06, 2024
3.5.3-38-54cade63
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Jan 29, 2024
3.5.33
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
161
Jan 15, 2024
3.5.2-106-3041bc93
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Jan 22, 2024
3.5.23
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
252
Sep 28, 2023
3.5.13
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
219
Jun 24, 2023
3.5.03
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
177
May 12, 2023
3.5-3f612343
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Apr 26, 2023
3.5-c760a553
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Apr 24, 2023
3.5-e3fbc493
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Feb 18, 2023
3.5-e4f2b713
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Feb 05, 2023
3.5-be6325d3
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Feb 05, 2023
3.5-6581dc43
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
2
Dec 28, 2022
3.5-01c4a033
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Dec 26, 2022
3.5-9ba870f3
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Dec 20, 2022
3.5-4f9e57b3
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Dec 17, 2022
3.5-01f5b3a3
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Nov 22, 2022
3.5-639ac013
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Nov 21, 2022
3.5-4b874973
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
2
Nov 20, 2022
3.5-4ba25903
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Nov 15, 2022
3.5-51ca39e1 (3)
Central
1
Jan 24, 2023
3.5-88faeed1 (3)
Central
1
Dec 10, 2022
3.5.0-RC53
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
3
Apr 28, 2023
3.5.0-RC43
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
1
Apr 19, 2023
3.5.0-RC33
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
5
Feb 27, 2023
3.5.0-RC23
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
3
Feb 20, 2023
3.5.0-RC13
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
2
Feb 14, 2023
3.4.x
3.4.113
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
55
May 11, 2023
3.4.103
2.13
2.12
1 (3)
1 (2.13)
1 (2.12)
0.4 (3)
0.4 (2.13)
0.4 (2.12)
Central
97
Apr 28, 2023
3.4.93
2.13
2.12
Central
79
Apr 16, 2023