[github-actions]

Automated update of upstream metadata, generated TypeScript next-tag sources, and Nix inputs.

Version updates

• TypeScript next: typescript@next 7.1.0-dev.20261023.1 -> 7.1.0-dev.20261025.1

TypeScript compiler

• Previous commit: a91e93821feafd081641f9f5d161eba626d0b2ce
• Updated commit: 8a62bbe746909624b69b6e671026b454da2f02cf
• Compare: microsoft/TypeScript@a91e938...8a62bbe

Upstream commits

• 8d9b6da Lazy member resolution for class and interface types (#64915)
• 8a62bbe Don't resolve mapped type members to find their signatures (#64873)

[github-actions]

Effect perf vs stock tsgo: 4 flagged rows

• next · Symbols over stock · 🟩 -271,815 (-48.19%)
• next · Types over stock · 🟩 -395 (-0.13%)
• next · Instantiations over stock · 🟩 -424 (-0.04%)
• next · Memory allocs over stock · 🔻 +1.4 pts

Details

Metric	base	pr	Delta	Best	Worst	p-value
latest · 7.0.2 · effect (all rules)
Errors	1	1	~	1	1	counter, n=5
Warnings	3	3	~	3	3	counter, n=5
Symbols over stock	+712,131 (±3)	+712,125 (±4)	~	+712,124	+712,131	counter, n=5
Types over stock	+340,921 (±10)	+340,919 (±7)	~	+340,915	+340,929	counter, n=5
Instantiations over stock	+1,208,803 (±11)	+1,208,787 (±11)	~	+1,208,784	+1,208,806	counter, n=5
Memory allocs over stock	+17.8% (17.5 to 18.1)	+17.9% (17.8 to 18.0)	~	+17.8%	+18.0%	p=0.690 n=5
Check time over stock	+38.5% (35.8 to 47.7)	+36.7% (27.2 to 41.7)	~	+27.2%	+41.7%	p=0.421 n=5
Total time over stock	+24.5% (23.4 to 33.1)	+23.7% (21.2 to 28.8)	~	+21.2%	+28.8%	p=0.310 n=5
beta · 7.1.0-beta · effect (all rules)
Errors	18	18	~	18	18	counter, n=5
Warnings	3	3	~	3	3	counter, n=5
Symbols over stock	+564,089 (±3)	+564,095 (±3)	~	+564,089	+564,095	counter, n=5
Types over stock	+299,202 (±4)	+299,206 (±4)	~	+299,200	+299,208	counter, n=5
Instantiations over stock	+1,001,213 (±11)	+1,001,229 (±11)	~	+1,001,210	+1,001,232	counter, n=5
Memory allocs over stock	+16.3% (16.2 to 16.9)	+16.4% (15.8 to 17.4)	~	+15.8%	+17.4%	p=0.548 n=5
Check time over stock	+35.5% (25.8 to 37.5)	+36.2% (18.8 to 43.0)	~	+18.8%	+43.0%	p=0.690 n=5
Total time over stock	+24.8% (21.5 to 26.2)	+26.9% (16.0 to 31.8)	~	+16.0%	+31.8%	p=0.548 n=5
next · 7.1.0-dev.20261023.1 → 7.1.0-dev.20261025.1 · effect (all rules) · compiler changed
Errors	18	18	~	18	18	counter, n=5
Warnings	3	3	~	3	3	counter, n=5
Symbols over stock	+564,095 (±3)	+292,280 (±5)	🟩 -271,815 (-48.19%)	+292,277	+292,286	counter, n=5
Types over stock	+299,206 (±3)	+298,811 (±4)	🟩 -395 (-0.13%)	+298,809	+298,817	counter, n=5
Instantiations over stock	+1,001,229 (±10)	+1,000,805 (±11)	🟩 -424 (-0.04%)	+1,000,802	+1,000,824	counter, n=5
Memory allocs over stock	+15.9% (15.4 to 16.0)	+17.3% (16.0 to 18.0)	🔻 +1.4 pts	+16.0%	+18.0%	p=0.008 n=5
Check time over stock	+46.0% (25.9 to 53.4)	+46.3% (33.8 to 50.8)	~	+33.8%	+50.8%	p=0.841 n=5
Total time over stock	+31.2% (18.6 to 36.8)	+31.6% (27.5 to 34.8)	~	+27.5%	+34.8%	p=1.000 n=5

• Stock counters, latest: 7.0.2 symbols 18,255,290 (±1) · types 6,184,373 · instantiations 26,135,429
• Stock counters, beta: 7.1.0-beta symbols 17,711,128 · types 5,960,725 · instantiations 25,181,429
• Stock counters, next: 7.1.0-dev.20261023.1 symbols 17,711,128 · types 5,960,725 · instantiations 25,181,429; 7.1.0-dev.20261025.1 symbols 11,627,943 · types 5,909,244 · instantiations 25,121,966
• Workload: https://github.com/Effect-TS/effect@7f524e25cfb49a71ac39b0f44278d08d40dda5de with every Effect rule executing (skipDisabledOptimization: true)
• Pairs per side: 5, alternating stock-first and patched-first
• Commits: base 8e4d61885a49031d12033490bbc373dae195f682 · head 57acd789d1141a6c5470b51d189d7b8cc6528758
• Counters are patched − stock per pair (median ±half-range); allocs and times are patched / stock − 1 per pair, median (min to max). Time and alloc deltas are flagged only when the exact two-sided Mann-Whitney U p < 0.01.