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Pulse snapshot for 19 October 2026

https://github.com/microsoft/TypeScript

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Committers: summary • month-by-month • graphs: committers per month • commits per month • total committers

Issues: open • resolved • summary • month-by-month • age stats • time-to-close stats • graphs: opened/closed • increase/decrease

PRs: open • merged/closed • summary • month-by-month • age stats • time-to-close stats • graphs: opened/merged/closed • increase/decrease

🔗 Committer pulse

Committers Mo-
nthly
com-
mits 		Month range
Monthly Cu-
mula-
tive
New Uniq %New
4 20 20 949 107 Sep 19 – Oct 19 2025 ending 12mo back
4 22 18 953 147 Oct 19 – Nov 19 2025 ending 11mo back
7 30 23 960 145 Nov 19 – Dec 19 2025 ending 10mo back
3 14 21 963 63 Dec 19 – Jan 19 2026 ending 9mo back
12 31 38 975 195 Jan 19 – Feb 19 2026 ending 8mo back
6 24 25 981 195 Feb 19 – Mar 19 2026 ending 7mo back
8 23 34 989 176 Mar 19 – Apr 19 2026 ending 6mo back
6 23 26 995 202 Apr 19 – May 19 2026 ending 5mo back
7 22 31 1002 166 May 19 – Jun 19 2026 ending 4mo back
8 22 36 1010 118 Jun 19 – Jul 19 2026 ending 3mo back
12 30 40 1022 122 Jul 19 – Aug 19 2026 ending 2mo back
9 27 33 1031 139 Aug 19 – Sep 19 2026 ending 1mo back
20 37 54 1051 185 Sep 19 – Oct 19 2026 ending 13:58 UTC
Committerspermonth Produced by GNUPLOT 6.0 patchlevel 5 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 10 15 20 25 30 35 40 New committers Total committers New committers New committers Total committers Total committers New committers Total committers Months before 19 October 2026 🔗 Committers per month – microsoft/TypeScript

🔗 For the last 13 months:

Cumulative total committers grew by 102 (from 949 to 1051) in 12 months.

Totalcommittersandnew Produced by GNUPLOT 6.0 patchlevel 5 15 20 25 30 35 40 45 50 55 0 2 4 6 8 10 12 940 960 980 1000 1020 1040 1060 New commiters percentage Cumulative total committers New commiters percentage New commiters percentage Cumulative total committers Cumulative total committers New commiters percentage Cumulative total committers Months before 19 October 2026 🔗 Total committers and % new – microsoft/TypeScript Commitspermonth Produced by GNUPLOT 6.0 patchlevel 5 60 80 100 120 140 160 180 200 220 0 2 4 6 8 10 12 Commitspermonth_plot_1 Commits per month Months before 19 October 2026 🔗 Commits per month – microsoft/TypeScript

🔗 Issue and PR pulse

Issues PRs Month range
Clsd Opnd + - Mrgd Clsd Opnd + -
85 105 +20 29 17 46 0 Sep 19 – Oct 19 2025 ending 12mo back
241 79 -162 39 17 67 +11 Oct 19 – Nov 19 2025 ending 11mo back
562 75 -487 27 49 51 -25 Nov 19 – Dec 19 2025 ending 10mo back
50 60 +10 14 17 39 +8 Dec 19 – Jan 19 2026 ending 9mo back
70 75 +5 48 22 70 0 Jan 19 – Feb 19 2026 ending 8mo back
38 59 +21 12 13 37 +12 Feb 19 – Mar 19 2026 ending 7mo back
58 86 +28 15 525 51 -489 Mar 19 – Apr 19 2026 ending 6mo back
33 50 +17 4 26 37 +7 Apr 19 – May 19 2026 ending 5mo back
26 53 +27 9 22 34 +3 May 19 – Jun 19 2026 ending 4mo back
34 68 +34 3 31 38 +4 Jun 19 – Jul 19 2026 ending 3mo back
93 106 +13 2 26 26 -2 Jul 19 – Aug 19 2026 ending 2mo back
423 145 -278 133 27 317 +157 Aug 19 – Sep 19 2026 ending 1mo back
125 172 +47 198 26 328 +104 Sep 19 – Oct 19 2026 ending 13:58 UTC
IncreasedecreaseinopenissuesPRs Produced by GNUPLOT 6.0 patchlevel 5 -500 -400 -300 -200 -100 0 100 0 2 4 6 8 10 12 -500 -400 -300 -200 -100 0 100 200 Increase/decrease in open issues Increase/decrease in open PRs Increase/decrease in open issues Increase/decrease in open issues Increase/decrease in open PRs Increase/decrease in open PRs Increase/decrease in open issues Increase/decrease in open PRs Months before 19 October 2026 🔗 Increase/decrease in open issues/PRs – microsoft/TypeScript

🔗 For the last 13 months:

Issuesclosedandopened Produced by GNUPLOT 6.0 patchlevel 5 0 100 200 300 400 500 600 0 2 4 6 8 10 12 40 60 80 100 120 140 160 180 Issues closed Issues opened Issues closed Issues closed Issues opened Issues opened Issues closed Issues opened Months before 19 October 2026 🔗 Issues closed and opened – microsoft/TypeScript PRsmergedclosedandopened Produced by GNUPLOT 6.0 patchlevel 5 0 100 200 300 400 500 600 0 2 4 6 8 10 12 0 50 100 150 200 250 300 350 PRs merged+closed PRs opened PRs merged+closed PRs merged+closed PRs opened PRs opened PRs merged+closed PRs opened Months before 19 October 2026 🔗 PRs merged/closed and opened – microsoft/TypeScript

🔗 Open issues

4904 issues were open as of 19 Oct 2026

56.37 times as many issues currently open as the
average number of issues opened per month.

7.90 times as many closed issues as open issues.

Latest1000openissues Produced by GNUPLOT 6.0 patchlevel 5 2026-10 2026-09 2026-08 2026-07 2026-06 2026-05 2026-04 2026-03 2026-02 2026-01 2025-12 2025-11 2025-10 2025-09 2025-08 2025-07 2025-06 2025-05 2025-04 2025-03 2025-02 2025-01 2024-12 2024-11 2024-10 2024-09 2024-08 2024-07 2024-06 2024-05 2024-04 2024-03 2024-02 2024-01 2023-11 2023-10 2023-09 2023-08 2023-07 2023-06 2023-05 2023-04 2023-03 2023-02 2023-01 2022-12 2022-11 2022-10 2022-09 2022-08 2022-07 2022-06 2022-05 2022-04 2022-03 2022-02 2022-01 2021-12 2021-11 2021-10 2021-09 2021-08 2021-07 2021-06 2021-05 2021-04 2021-03 2021-02 2021-01 2020-12 2020-11 2020-10 2020-09 2020-08 2020-07 2020-06 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-10 2016-09 2016-08 2016-07 2016-04 2016-03 2016-01 2015-12 2015-09 2015-08 2015-07 2015-06 2014-11 2014-09 2014-08 2014-07 Number of issues still open Latest1000openissues_plot_2 79 79 51 34 27 13 28 26 20 18 25 16 13 6 9 9 6 7 3 9 5 6 6 9 18 27 18 13 17 20 14 1 5 3 4 4 9 2 9 4 5 3 3 4 2 2 8 3 4 4 2 2 3 3 5 2 4 2 6 4 5 9 3 3 4 7 5 4 8 4 5 5 4 5 4 3 3 5 6 2 5 3 2 3 4 2 6 3 2 10 3 6 5 4 9 7 6 4 2 1 5 1 2 3 5 2 3 4 6 3 2 1 5 1 1 3 5 1 2 2 3 1 1 1 2 1 1 1 2 1 2 3 Number of issues still open Number of issues still open Latest1000openissues_plot_2 Month created Latest 1000 open issues

🔗 Age statistics for latest 1000 open issues
Newest 1st Qu Median Mean 3rd Qu 𝜂90th Oldest
0 days 118 days 698 days 1067 days 1885 days 2900 days 4471 days
Standard deviation: 1138 days

🔗 Open PRs

225 PRs were open as of 19 Oct 2026

2.59 times as many PRs currently open as the
average number of PRs opened per month.

87.28 times as many closed PRs as open PRs.

Produced by GNUPLOT 6.0 patchlevel 5 2026-10 2026-09 2026-08 2026-05 2026-04 2026-01 2025-07 2025-06 2025-05 2024-09 2024-08 2023-12 2022-08 2022-03 Number of PRs still open _plot_2 102 77 33 1 3 1 1 1 1 1 1 1 1 1 Number of PRs still open Number of PRs still open _plot_2 Month created

🔗 Age statistics for all open PRs
Newest 1st Qu Median Mean 3rd Qu 𝜂90th Oldest
0 days 10 days 20 days 60 days 42 days 60 days 1682 days
Standard deviation: 187 days

🔗 Issues resolved

38757 issues were closed as of 19 Oct 2026

7.90 times as many closed issues as open issues.

97 percent ratio of total closed issues to total commits.

Latest1000closedissues Produced by GNUPLOT 6.0 patchlevel 5 2026-10 2026-09 2026-08 2026-07 2026-06 2026-05 2026-04 2026-03 2026-02 2026-01 2025-12 2025-11 2025-10 2025-09 2025-06 2025-03 2025-01 2024-11 2024-08 2024-03 2024-02 2024-01 2023-11 2023-06 2022-08 2022-06 2021-10 2021-09 2020-07 2020-02 2018-08 Number of issues closed Latest1000closedissues_plot_2 42 372 203 44 34 28 47 37 38 36 8 5 82 4 1 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 Number of issues closed Number of issues closed Latest1000closedissues_plot_2 Month created Latest 1000 closed issues

🔗 Time-to-close statistics for latest 1000 closed issues
Fastest 1st Qu Median Mean 3rd Qu 𝜂90th Longest
0 days 2 days 155 days 991 days 2085 days 2790 days 4192 days
Standard deviation: 1204 days

🔗 PRs merged/closed

19637 PRs were merged/closed as of 19 Oct 2026

87.28 times as many closed PRs as open PRs.

Latest1000mergedclosedPRs Produced by GNUPLOT 6.0 patchlevel 5 2026-10 2026-09 2026-08 2026-07 2026-06 2026-05 2026-04 2026-03 2026-02 2026-01 2025-12 2025-11 2025-10 2025-09 2025-08 2025-07 2025-06 2025-05 2025-04 2025-03 2025-02 2024-12 2024-11 2024-10 2024-09 2024-08 2024-07 2024-06 2024-05 2024-04 2024-03 2024-01 2023-12 2023-11 2023-09 2023-08 2023-07 2023-05 2023-04 2023-03 2023-01 2022-12 2022-11 2022-10 2022-08 2022-07 2022-05 2022-03 2022-02 2022-01 2021-10 2021-09 2021-08 2021-06 2021-05 2021-04 2021-03 2021-01 2020-08 2020-06 2020-04 2020-03 2020-02 2020-01 2019-11 2019-09 2019-08 2019-07 2019-06 2019-05 2019-01 2018-09 2018-08 2018-06 2018-04 Number of PRs merged/closed Latest1000mergedclosedPRs_plot_2 139 221 97 42 37 20 1 54 40 49 72 22 2 8 1 3 4 5 31 8 1 2 1 1 4 6 9 7 2 4 4 1 1 1 2 3 1 1 1 1 2 3 3 2 5 2 16 5 4 1 2 1 1 1 1 2 2 1 3 1 5 2 1 2 3 4 1 2 1 1 1 3 3 2 2 Number of PRs merged/closed Number of PRs merged/closed Latest1000mergedclosedPRs_plot_2 Month created Latest 1000 merged/closed PRs

🔗 Time-to-close statistics for latest 1000 merged/closed PRs
Fastest 1st Qu Median Mean 3rd Qu 𝜂90th Longest
0 days 0 days 2 days 122 days 42 days 530 days 1818 days
Standard deviation: 272 days

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