This page provides information about the usage of the Apache Solr Search project, including summaries across all versions and details for each release. For each week beginning on the given date the figures show the number of sites that reported they are using a given version of the project.

Apache Solr Search project page
Usage statistics for all projects

Show legacy data

There is no usage information available.

Recent release usage

Release June 14th, 2026 June 7th, 2026 May 31st, 2026 May 24th, 2026 May 17th, 2026 May 10th, 2026
6.x-1.0-beta10 1 0 0 0 0 0
6.x-1.0-rc5 0 1 1 0 0 0
6.x-1.0 0 0 1 0 0 0
6.x-1.2 30 31 31 31 31 31
6.x-1.3 1 1 1 1 1 1
6.x-1.5 0 1 0 0 0 0
6.x-1.6 7 8 8 7 7 7
6.x-1.7 3 2 1 2 1 1
6.x-1.8 19 16 18 18 15 17
6.x-2.x-dev 6 6 6 6 7 7
6.x-2.0-beta5 0 2 2 2 3 3
6.x-3.x-dev 2 1 1 2 1 2
6.x-3.0-beta3 0 0 1 0 0 1
6.x-3.0-rc1 1 1 1 1 34 336
6.x-3.0 1 1 1 1 1 1
6.x-3.1 10 11 10 10 10 10
7.x-1.x-dev 9 9 11 9 11 9
7.x-1.0-beta5 2 3 3 4 3 3
7.x-1.0-beta8 1 1 1 1 1 0
7.x-1.0-beta13 1 1 1 0 0 1
7.x-1.0-beta19 1 0 0 0 0 0
7.x-1.0-rc2 1 1 1 1 1 1
7.x-1.0-rc3 3 3 1 1 1 1
7.x-1.0-rc4 4 2 2 2 2 2
7.x-1.1 2 2 2 2 3 3
7.x-1.2 2 2 2 2 2 4
7.x-1.3 5 6 6 6 5 5
7.x-1.4 9 11 11 13 9 9
7.x-1.5 1 1 1 1 1 1
7.x-1.6 39 40 41 39 42 39
7.x-1.7 41 40 40 45 42 47
7.x-1.8 561 578 592 570 587 581
7.x-1.9 44 43 46 43 45 44
7.x-1.10 30 29 31 34 34 33
7.x-1.11 668 681 694 701 710 713
7.x-1.12 257 347 293 406 238 356
7.x-1.13 580 574 556 555 564 562
7.x-1.14 77 86 83 75 66 73

Only Drupal websites using the Update Status module are included in the data. Read more information about how these statistics are calculated.