This page provides information about the usage of the PDF Serialization 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.


Week starting 2.x 2.0.x 2.1.x 2.2.x Total
June 14th, 2026 0 0 539 221 760
June 7th, 2026 0 0 477 227 704
May 31st, 2026 0 0 473 226 699
May 24th, 2026 0 0 567 235 802
May 17th, 2026 0 0 535 242 777
May 10th, 2026 0 0 452 217 669
May 3rd, 2026 0 0 457 249 706
April 26th, 2026 0 0 466 208 674
April 19th, 2026 0 0 500 212 712
April 12th, 2026 0 0 580 229 809
April 5th, 2026 0 0 513 205 718
March 29th, 2026 0 0 495 219 714
March 22nd, 2026 0 0 503 237 740
March 15th, 2026 0 0 541 221 762
March 8th, 2026 0 0 465 221 686
February 22nd, 2026 0 0 449 230 679
February 15th, 2026 0 0 453 219 672
February 8th, 2026 0 0 436 219 655
February 1st, 2026 0 0 459 201 660
January 25th, 2026 0 0 648 196 844
January 18th, 2026 0 0 470 202 672
January 11th, 2026 0 0 472 188 660
January 4th, 2026 0 0 436 193 629
December 28th, 2025 0 0 401 159 560
December 21st, 2025 0 0 392 192 584
December 14th, 2025 0 0 445 227 672
December 7th, 2025 0 0 436 210 646
November 30th, 2025 0 0 433 232 665
November 23rd, 2025 0 0 423 204 627
November 16th, 2025 0 0 567 224 791
November 9th, 2025 0 0 432 255 687
November 2nd, 2025 0 0 431 234 665
October 26th, 2025 0 0 666 220 886
October 19th, 2025 0 0 411 213 624
October 12th, 2025 0 0 421 246 667
October 5th, 2025 0 0 395 256 651
September 28th, 2025 0 0 432 224 656
September 21st, 2025 0 0 564 207 771
September 14th, 2025 0 0 450 234 684
September 7th, 2025 0 0 521 211 732
August 31st, 2025 0 0 428 219 647
August 24th, 2025 0 0 459 211 670
August 17th, 2025 0 0 433 188 621
August 10th, 2025 0 0 429 199 628
August 3rd, 2025 0 0 594 230 824
July 27th, 2025 0 0 556 192 748
July 20th, 2025 0 0 432 198 630
July 13th, 2025 0 0 481 219 700
July 6th, 2025 0 0 480 212 692
June 29th, 2025 0 0 560 208 768
June 22nd, 2025 0 0 579 239 818
June 15th, 2025 0 0 451 217 668
June 8th, 2025 0 0 563 199 762
June 1st, 2025 0 0 448 179 627
May 25th, 2025 0 0 446 205 651
May 18th, 2025 0 0 584 201 785
May 11th, 2025 0 0 543 168 711
May 4th, 2025 0 0 515 180 695
April 27th, 2025 0 0 382 151 533
April 20th, 2025 0 0 400 190 590
April 13th, 2025 0 0 415 160 575
April 6th, 2025 0 0 392 157 549
March 30th, 2025 0 0 407 158 565
March 23rd, 2025 3 0 409 208 620
March 16th, 2025 2 0 377 167 546
March 9th, 2025 4 0 381 162 547
March 2nd, 2025 2 0 367 167 536
February 23rd, 2025 1 0 389 179 569
February 16th, 2025 3 0 503 222 728
February 9th, 2025 3 0 663 187 853
February 2nd, 2025 2 0 434 225 661
January 26th, 2025 1 0 409 204 614
January 19th, 2025 2 0 450 170 622
January 12th, 2025 4 0 420 157 581
January 5th, 2025 2 0 527 153 682
December 29th, 2024 2 0 678 161 841
December 22nd, 2024 2 0 396 124 522
December 15th, 2024 3 0 419 167 589
December 8th, 2024 2 0 439 212 653
December 1st, 2024 3 0 431 196 630
November 24th, 2024 2 0 444 165 611
November 17th, 2024 1 0 441 194 636
November 10th, 2024 2 0 575 208 785
November 3rd, 2024 2 0 416 210 628
October 27th, 2024 1 0 453 196 650
October 20th, 2024 1 0 451 202 654
October 13th, 2024 2 0 537 214 753
October 6th, 2024 2 0 518 204 724
September 29th, 2024 4 0 388 186 578
September 22nd, 2024 2 0 409 186 597
September 15th, 2024 3 0 459 196 658
September 8th, 2024 2 0 403 205 610
September 1st, 2024 2 0 553 167 722
August 25th, 2024 2 0 472 196 670
August 18th, 2024 2 0 714 200 916
August 11th, 2024 2 0 457 187 646
August 4th, 2024 1 0 443 173 617
July 28th, 2024 3 0 693 203 899
July 21st, 2024 3 0 430 196 629
July 14th, 2024 3 0 465 165 633
July 7th, 2024 1 0 454 117 572
June 30th, 2024 2 0 728 171 901
June 23rd, 2024 3 0 603 155 761
June 16th, 2024 2 0 456 182 640
June 9th, 2024 3 0 602 157 762
June 2nd, 2024 3 0 459 153 615
May 26th, 2024 2 0 432 186 620
May 19th, 2024 2 0 391 124 517
May 12th, 2024 2 0 422 171 595
May 5th, 2024 2 0 380 139 521
April 28th, 2024 2 0 390 122 514
April 21st, 2024 2 0 443 168 613
April 14th, 2024 2 0 404 147 553
April 7th, 2024 2 0 432 213 647
March 31st, 2024 2 0 425 128 555
March 24th, 2024 2 0 445 106 553
March 17th, 2024 2 0 428 141 571
March 10th, 2024 2 0 412 87 501
March 3rd, 2024 2 0 448 117 567
February 25th, 2024 2 0 650 163 815
February 18th, 2024 2 0 416 131 549
February 11th, 2024 2 0 437 291 730
February 4th, 2024 1 0 475 299 775
January 28th, 2024 1 0 636 360 997
January 21st, 2024 2 0 435 282 719
January 14th, 2024 3 0 427 224 654
January 7th, 2024 2 0 428 226 656
December 31st, 2023 2 0 382 246 630
December 24th, 2023 3 0 394 52 449
December 17th, 2023 2 0 411 494 907
December 10th, 2023 3 0 427 88 518
December 3rd, 2023 2 0 436 52 490
November 26th, 2023 3 0 414 52 469
November 19th, 2023 2 0 431 36 469
November 12th, 2023 3 0 454 43 500
November 5th, 2023 2 0 796 35 833
October 29th, 2023 2 0 670 39 711
October 22nd, 2023 2 0 644 45 691
October 15th, 2023 2 1 792 27 822
October 8th, 2023 2 1 684 18 705
October 1st, 2023 2 0 521 19 542
September 24th, 2023 1 0 477 16 494
September 17th, 2023 3 0 702 8 713
September 10th, 2023 1 0 691 22 714
September 3rd, 2023 3 0 490 0 493
August 27th, 2023 2 0 517 0 519
August 20th, 2023 1 0 473 0 474
August 13th, 2023 3 0 474 0 477
August 6th, 2023 4 0 845 0 849
July 30th, 2023 4 0 518 0 522
July 23rd, 2023 3 0 591 0 594
July 16th, 2023 2 0 460 0 462
July 9th, 2023 3 0 679 0 682
July 2nd, 2023 2 0 581 0 583
June 25th, 2023 3 0 522 0 525
June 18th, 2023 3 0 469 0 472
June 11th, 2023 2 0 494 0 496
June 4th, 2023 2 0 461 0 463
May 28th, 2023 3 0 459 0 462
May 21st, 2023 2 0 652 0 654
May 14th, 2023 2 0 478 0 480
May 7th, 2023 2 0 525 0 527
April 30th, 2023 3 0 431 0 434
April 23rd, 2023 3 0 600 0 603
April 16th, 2023 2 0 425 0 427
April 9th, 2023 3 0 392 0 395
April 2nd, 2023 3 0 440 0 443
March 26th, 2023 2 0 646 0 648
March 19th, 2023 2 0 654 0 656
March 12th, 2023 3 0 563 0 566
March 5th, 2023 3 0 573 0 576
February 26th, 2023 3 0 479 0 482
February 19th, 2023 3 0 439 0 442
February 12th, 2023 2 0 468 0 470
February 5th, 2023 4 0 434 0 438
January 29th, 2023 3 0 431 0 434
January 22nd, 2023 2 0 409 0 411
January 15th, 2023 2 0 426 0 428
January 8th, 2023 2 0 446 0 448
January 1st, 2023 2 0 402 0 404
December 25th, 2022 2 0 343 0 345
December 18th, 2022 3 0 367 0 370
December 11th, 2022 4 0 388 0 392
December 4th, 2022 2 0 399 0 401
November 27th, 2022 2 0 393 0 395
November 20th, 2022 3 0 363 0 366
November 13th, 2022 2 0 389 0 391
November 6th, 2022 1 0 392 0 393
October 30th, 2022 2 0 377 0 379
October 23rd, 2022 3 0 547 0 550
October 16th, 2022 3 0 544 0 547
October 9th, 2022 2 0 557 0 559
October 2nd, 2022 3 0 525 0 528
September 25th, 2022 2 0 354 0 356
September 18th, 2022 2 0 527 0 529
September 11th, 2022 3 0 354 0 357
September 4th, 2022 3 0 340 0 343
August 28th, 2022 2 0 364 0 366
August 21st, 2022 2 0 358 0 360
August 14th, 2022 1 0 336 0 337
August 7th, 2022 1 0 367 0 368
July 31st, 2022 1 0 567 0 568
July 24th, 2022 1 0 356 0 357
July 17th, 2022 1 0 356 0 357
July 10th, 2022 1 0 374 0 375
July 3rd, 2022 0 0 374 0 374
June 26th, 2022 0 0 544 0 544
June 19th, 2022 0 0 336 0 336
June 12th, 2022 0 0 415 0 415
June 5th, 2022 0 0 418 0 418
May 29th, 2022 0 0 430 0 430
May 22nd, 2022 0 0 383 0 383
May 15th, 2022 0 0 372 0 372
May 8th, 2022 1 0 441 0 442
May 1st, 2022 1 0 312 0 313
April 24th, 2022 1 0 342 0 343
April 17th, 2022 0 0 312 0 312
April 10th, 2022 0 0 273 0 273
April 3rd, 2022 0 0 234 0 234
March 27th, 2022 0 0 263 0 263
March 20th, 2022 0 0 204 0 204
March 13th, 2022 0 0 191 0 191
March 6th, 2022 0 0 187 0 187
February 27th, 2022 0 0 149 0 149
February 20th, 2022 0 0 157 0 157
February 13th, 2022 0 0 141 0 141
February 6th, 2022 0 0 136 0 136
January 30th, 2022 0 0 145 0 145
January 23rd, 2022 0 0 120 0 120
January 16th, 2022 0 0 111 0 111
January 9th, 2022 0 0 118 0 118
January 2nd, 2022 0 0 132 0 132
December 26th, 2021 0 0 227 0 227
December 19th, 2021 0 0 197 0 197
December 12th, 2021 0 0 176 0 176
December 5th, 2021 0 0 207 0 207
November 28th, 2021 0 0 188 0 188
November 21st, 2021 0 0 77 0 77
November 14th, 2021 0 0 71 0 71
November 7th, 2021 0 0 67 0 67
October 31st, 2021 0 0 67 0 67
October 24th, 2021 0 0 64 0 64
October 17th, 2021 0 0 64 0 64
October 10th, 2021 0 0 60 0 60
October 3rd, 2021 0 0 57 0 57
September 26th, 2021 0 0 56 0 56
September 19th, 2021 0 0 51 0 51
September 12th, 2021 0 0 44 0 44
September 5th, 2021 0 0 42 0 42
August 29th, 2021 0 0 33 0 33
August 22nd, 2021 0 0 40 0 40
August 15th, 2021 0 0 35 0 35
August 8th, 2021 0 0 31 0 31
August 1st, 2021 0 0 30 0 30
July 25th, 2021 0 0 26 0 26
July 18th, 2021 0 0 26 0 26
July 11th, 2021 0 0 23 0 23
July 4th, 2021 0 0 27 0 27
June 27th, 2021 0 0 17 0 17
June 20th, 2021 0 0 20 0 20
June 13th, 2021 0 0 14 0 14
June 6th, 2021 0 0 16 0 16
May 30th, 2021 0 0 10 0 10
May 23rd, 2021 0 0 9 0 9
May 16th, 2021 0 0 12 0 12
May 9th, 2021 0 0 9 0 9
May 2nd, 2021 0 0 6 0 6
April 25th, 2021 0 0 8 0 8
April 18th, 2021 0 0 10 0 10
April 11th, 2021 0 0 6 0 6
April 4th, 2021 0 0 5 0 5
March 28th, 2021 0 0 3 0 3
March 21st, 2021 0 0 2 0 2
March 14th, 2021 0 0 1 0 1

Recent release usage

Release June 14th, 2026 June 7th, 2026 May 31st, 2026 May 24th, 2026 May 17th, 2026 May 10th, 2026
2.1.0 6 7 6 6 4 6
2.1.1 533 470 467 561 531 446
2.2.0 221 227 226 235 242 217

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