← New upload Analyse with AI ↓ PR Analysis (created by Lamp Bristol) demo project 999 pull requests · Jan 2020 – Jun 2026 · snapshot 4 Jun 2026

OPEN · 4 JUN 26

40

16 open > 90 days

OPENED · MAY 26

37

up from 22

MERGED · MAY 26

25

up from 20

MERGED ≤ 1 DAY · MAY 26

56%

14 of 25 merged PRs

NET OPEN · MAY 26

+6

backlog grew

BACKLOG MEDIAN AGE

73d

across 40 open PRs

BACKLOG HEALTH

Open PRs on the 1st

total open at month start, split by staleness

Age of open backlog

mean & median age in days

Open PRs by size at snapshot

the backlog as of 4 Jun 2026, smallest at the bottom

Open PR age pyramid

the backlog as of 4 Jun 2026, youngest at the bottom

FLOW & THROUGHPUT

Opened · merged · closed

raw churn counts per month

Merged pull requests

merged count per month

Closed pull requests

closed unmerged count per month

Net open change

opened − merged − closed · positive = backlog grew

Merge deficit

opened − merged · positive = PRs arriving faster than they merge

CODE VOLUME

Merged churn

lines added + removed across merged PRs

Lines merged (net)

lines added − removed per month

SIZE & SPEED

Merged PR sizes

stacked S → XXL by lines changed

Time to merge

merged PRs, by age when they merged

Time to close

closed unmerged PRs, by age when they closed

Days to merge

median, mean and p90 days from open to merge

Size vs time to merge

one dot per merged PR · log scales

PERCENTAGE BREAKDOWNS

Time to merge %

each month's merges as shares summing to 100%

Time to close %

each month's closes as shares summing to 100%

Merged PR sizes %

S → XXL shares of each month's merges

Closed unmerged %

closed ÷ (closed + merged) each month

MONTHLY SUMMARY

MONTH OPEN ON 1ST OPENED MERGED CLOSED NET OPEN MERGE RATE MED. DAYS MEAN AGE
May 26 33 37 25 6 +6 81% 0.1 114.8
Apr 26 34 22 20 3 -1 87% 2.7 90.9
Mar 26 28 47 33 8 +6 80% 2.4 94.9
Feb 26 20 48 32 8 +8 80% 0.5 118.2
Jan 26 19 31 30 0 +1 100% 4 105.6
Dec 25 11 28 20 0 +8 100% 0.5 141.6
Nov 25 12 24 23 2 -1 92% 2.1 120.9
Oct 25 12 16 15 1 0 94% 0.3 111.4
Sep 25 11 13 12 0 +1 100% 2.4 111.2
Aug 25 9 12 10 0 +2 100% 3.6 103.9
Jul 25 12 29 31 1 -3 97% 1.9 73.9
Jun 25 18 19 20 5 -6 80% 5.1 110.5

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