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Weekly AI roundups, research notes, and essays — written for engineers, students, and curious readers in Bangladesh and beyond.

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This week The Name That Matched Twice: Unicode Normalization, Grapheme Clusters, and Getting Bengali Text Right The same Bengali name can arrive as two different byte sequences, and your unique index, your search box and your audit log will each disagree about whether it is one … Engineering 26 min read Feature The Complete Guide to LLM Benchmarks (2026): What They Measure, How They Work, and Which One to Use If you are new to AI development and find LLM leaderboards confusing, this is the guide I wish I had. We walk through every benchmark that matters in 2026 — MMLU-Pro, … Guide 44 min read

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Writing worth keeping

The Username That Ate the Password: Argon2id, NIST SP 800-63B-4, and Storing Passwords in 2026 Between July and October 2024, an Okta login path accepted any password for some users, because bcrypt reads only the first 72 bytes of its input and a long username … Research 24 min read The Primary Key That Knew What Time It Was: UUIDv7, RFC 9562, and Choosing Identifiers That Age Well RFC 9562 replaced the 2005 UUID specification in May 2024 and added UUIDv7: a 48-bit Unix millisecond timestamp followed by random bits, so identifiers sort by creation … Research 28 min read The Login Link Landed in Spam: SPF, DKIM, DMARC, and the Year DMARC Became a Standard If your product signs people in with a one-time code or a magic link, email is part of your authentication system, and three DNS records decide whether that email … Research 30 min read The Instruction Was in the Ticket: Designing LLM Agents That Survive Prompt Injection EchoLeak, the GitHub MCP leak, and the Supabase support-ticket exfiltration all had the same shape: an agent read text an attacker wrote, and that text chose the agent's … Research 27 min read The Token That Published the Worm: Trusted Publishing, Sigstore, and Provenance After Shai-Hulud Shai-Hulud did not exploit npm. It read publish tokens out of developers' .npmrc files and environment variables, used them to push poisoned versions of the victims' … Research 27 min read The Certificate Nobody Renewed: 47-Day TLS, ACME Renewal Information, and the End of Revocation as a Safety Net The 200-day certificate limit has been in force since 15 March 2026. The 100-day limit arrives on 15 March 2027 and the 47-day limit two years after that, with … Engineering 26 min read

The Series

Ai Weekly

Five global stories and five from home, every week.

Latest issue

Weekly AI Roundup: What Happened in AI This Past Week (October 31–November 6, 2026) Five global AI stories that mattered this week, and five that hit closer to home in Bangladesh. Globally, the week turned on one question: who controls the pace? Anthropic told investors its AI may soon be speeding up its own research … Ai Weekly 27 min read

June 2026

Weekly AI Roundup: What Happened in AI This Past Week (June 13–19, 2026) Five global AI stories that mattered this week, and five more that hit closer to home in Bangladesh. From the US government deploying an AI kill switch for the first time … Ai Weekly 42 min read Weekly AI Roundup: What Happened in AI This Past Week (June 6–12, 2026) Five global AI stories that mattered this week, and five more that hit closer to home in Bangladesh — every load-bearing fact checked against a primary source. From … Ai Weekly 23 min read Weekly AI Roundup: What Happened in AI This Past Week (May 30 – June 5, 2026) Five global AI stories that mattered this week, and five more that hit closer to home in Bangladesh. From the largest IPO in history pricing at $1.77 trillion to a Dhaka … Ai Weekly 40 min read

May 2026

Weekly AI Roundup: What Happened in AI This Past Week (May 23–29, 2026) Five global AI stories that mattered this week, and five more that hit closer to home in Bangladesh. From an AI model quietly disproving a conjecture mathematicians had … Ai Weekly 37 min read Weekly AI Roundup: What Happened in AI This Past Week (May 16–22, 2026) Five global AI stories that mattered this week, and five more that hit closer to home in Bangladesh. From Anthropic agreeing to pay SpaceX $1.25 billion every month for … Ai Weekly 40 min read Weekly AI Roundup: What Happened in AI This Past Week (May 9–15, 2026) Five global AI stories that mattered this week, and five more that hit closer to home in Bangladesh. From OpenAI starting a deployment company with $4 billion in backing … Ai Weekly 37 min read Weekly AI Roundup: What Happened in AI This Past Week (May 2–8, 2026) Five global AI stories that mattered this week, and five more that hit closer to home in Bangladesh. From ChatGPT's smarter default model and Anthropic crossing $30 … Ai Weekly 13 min read Weekly AI Roundup: What Happened in AI This Past Week (April 25 – May 1, 2026) Big Tech's AI spending finally met its reckoning in the quarterly earnings room. Elon Musk took the stand against OpenAI. The Microsoft–OpenAI exclusivity era ended. … Ai Weekly 14 min read

April 2026

Weekly AI Roundup: What Happened in AI This Past Week (April 23–29, 2026) Five global AI stories that mattered this week, and five more that hit closer to home in Bangladesh. From GPT-5.5 and DeepSeek V4 to the Hour of AI campaign in our … Ai Weekly 9 min read