Confessions of a Code Addict newsletter by Abhinav Upadhyay: latest issues, cadence and price
by Abhinav Upadhyay · Substack · Free and paid · every two weeks · last issue Oct 2, 2026 · Active
I write about how computers work underneath the abstractions: compilers, operating systems, memory, performance, and low-level programming.
The feed did not answer on the last read (answered 429). Issues below are from earlier reads.
Fri Oct 21 issue
Sun Sep 271 issue
Sat Aug 291 issue
Sun Aug 231 issue
Sun Aug 91 issue
Mon Jun 221 issue
Sun Jun 211 issue
Tue Jun 161 issue
Sat Jun 61 issue
Wed Jun 31 issue
Sun May 311 issue
Sun May 241 issue
Sun May 101 issue
Thu Dec 18, 20251 issue
Wed Nov 12, 20251 issue
Thu Oct 23, 20251 issue
Sat Oct 11, 20251 issue
Tue Sep 30, 20251 issue
Tue Sep 23, 20251 issue
Tue Sep 16, 20251 issue
Fri Aug 15, 20251 issue
Sun Aug 3, 20251 issue
22 issues on file since Aug 3, 2025; every one is in its own archive ↗.
About this newsletter
Photo
Abhinav Upadhyay: Author photo, from Confessions of a Code Addict
Free or paid
Free and paid on Substack. 92% of its latest 12 issues are for paying subscribers (from its public archive, checked weekly).
Issues per week, last 26 weeks
Issues by month
Writes about
AI and agents (9), Chips and infrastructure (3) in the last six months.
More on ai and agents
History
Now free with a paid tier, was free to read.