Newslettersby GlyphThe T-Shaped Dev newsletter by Petar Ivanov: latest issues, cadence and price
by Petar Ivanov · Substack · Free · weekly · last issue Nov 7, 2026 · Active
Production-grade engineering for full-stack JavaScript developers who want to think like architects, React, Node, software architecture, and building real AI systems. No fluff, every week.
Sat Nov 71 issue
Wed Nov 41 issue
Thu Oct 221 issue
Tue Oct 201 issue
Tue Oct 131 issue
Tue Oct 61 issue
Sat Oct 31 issue
Tue Sep 291 issue
Thu Sep 241 issue
Fri Sep 181 issue
Tue Sep 151 issue
Sat Sep 121 issue
Tue Sep 81 issue
Sat Aug 291 issue
Tue Jul 281 issue
Wed Jul 81 issue
Sun Jul 51 issue
Sat Jun 271 issue
Sun Jun 211 issue
Tue Jun 161 issue
Tue Jun 91 issue
Sat May 231 issue
Wed May 131 issue
Sat May 91 issue
Sat May 21 issue
28 issues on file since Mar 29, 2026; every one is in its own archive ↗.
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Photo
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Free or paid
Free on Substack. 0% of its latest 12 issues are for paying subscribers (from its public archive, checked weekly).
Issues per week, last 26 weeks
weekly, measured over the last six months (or since the feed's oldest issue)
Issues by month
Writes about
AI and agents (20), AI research (1), Product and growth (1) in the last six months.