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![arXiv doesn't run BibTeX. That's why your references show as [?].](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fm7ei1mggwegmcm2di86v.png)

When you compile locally: pdflatex → bibtex → pdflatex → pdflatex. arXiv runs pdflatex only. It skip...


Most publishers just want a .tex file. ACM has TAPS (The ACM Publishing System). It does not just...


MDPI updates their official LaTeX template (mdpi.cls) several times a year. The version on Overleaf'...


Elsevier's Editorial Manager runs TeX Live 2022. Overleaf runs a newer version. That gap causes real...