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 August 16th, 2026 August 9th, 2026 August 2nd, 2026 July 26th, 2026 July 19th, 2026 July 12th, 2026
6.x-1.0-beta10 0 0 1 0 1 1
6.x-1.0-rc5 1 1 1 1 0 0
6.x-1.2 30 29 32 29 32 32
6.x-1.3 1 1 1 1 1 1
6.x-1.5 0 1 1 0 1 0
6.x-1.6 9 8 8 7 8 9
6.x-1.7 2 0 1 1 2 1
6.x-1.8 16 15 18 18 18 16
6.x-2.x-dev 0 0 2 0 6 8
6.x-2.0-beta5 3 2 2 2 3 3
6.x-3.x-dev 1 1 2 1 3 1
6.x-3.0-beta3 0 1 0 0 1 1
6.x-3.0-rc1 1 1 1 1 1 1
6.x-3.0 1 1 1 1 1 1
6.x-3.1 11 11 11 9 11 10
7.x-1.x-dev 8 7 10 11 8 10
7.x-1.0-beta5 3 3 3 5 2 3
7.x-1.0-beta8 1 1 1 1 1 1
7.x-1.0-beta13 0 1 0 0 0 1
7.x-1.0-beta19 0 0 1 1 1 1
7.x-1.0-rc2 1 1 1 1 1 1
7.x-1.0-rc3 1 1 1 2 2 2
7.x-1.0-rc4 2 2 2 2 2 2
7.x-1.1 3 4 3 2 2 4
7.x-1.2 2 3 2 2 4 3
7.x-1.3 4 6 5 7 4 4
7.x-1.4 46 10 12 9 10 10
7.x-1.5 0 0 0 0 1 0
7.x-1.6 40 39 40 47 40 41
7.x-1.7 44 41 37 34 40 45
7.x-1.8 553 560 582 553 567 560
7.x-1.9 41 40 41 43 47 42
7.x-1.10 23 29 27 26 28 28
7.x-1.11 660 680 680 694 687 696
7.x-1.12 361 215 329 279 397 235
7.x-1.13 555 558 558 590 576 571
7.x-1.14 92 90 80 89 89 84

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