Before revision:  A^+b\| \leq \varepsilon\|A^+b\| in \mathcal{O}  \frac{\|A\|_{\mathrm{F}^6\|A\|^2}{\sigma^8\varepsilon^4}} \Big(}^6\|A\|^2}{\sigma^8\varepsilon^4}}\Big) time, improving on previous "quantum-inspired" algorithms in this line of research by a factor of \|A\|^{14}{\sigma^{14}\varepsilon^2} [Chia et al., STOC'20].
After revision:  A^+b\| \leq \varepsilon\|A^+b\| in \mathcal{O}  }^6\|A\|^2}{\sigma^8\varepsilon^4}} \Big(}^6\|A\|^2}{\sigma^8\varepsilon^4}}\Big) time, improving on previous "quantum-inspired" algorithms in this line of research by a factor of \|A\|^{14}{\sigma^{14}\varepsilon^2} [Chia et al., STOC'20].