Hacker ApprovedDepartments

U-Boot

Shares rank 3 of 7 bootloaders by recommenders

Free, powerful bootloader that people value for scriptability; critics find it tedious to write and debug and say it is not a unified firmware interface.

Free, powerful bootloader that people value for scriptability; critics find it tedious to write and debug and say it is not a unified firmware interface.

12 people gave an opinion

recommend it
9
criticize it
3
approval share
75%
Each figure is one person. RecommendsCriticizes

Recommended in 5 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 9 people recommend itNeeds 10 or more, not met.
  • 3 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 5 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Powerful, scriptable bootloader

    “It's the most powerful bootloader I've ever worked with, but writing new stuff and debugging it is tedious.”

    Comment from 13 Nov 2025 in “Denx (a.k.a. U-Boot) Retires”

    “I like how scriptable it is.”

    Comment from 13 Nov 2025 in “Denx (a.k.a. U-Boot) Retires”

What people warn about

Each mark is one comment

  • Not a unified firmware replacement

    “And UBoot is great. But it isn't a standalone replacement for a unified firmware interface”

    Comment from 28 Oct 2026 in “Code-execution flaw in UEFI firmware threatens most servers on planet Earth”

    “Recent uboot supports efi which then muddies the water more.”

    Comment from 28 Oct 2026 in “Code-execution flaw in UEFI firmware threatens most servers on planet Earth”
  • Too large for x86 use

    “Uboot on x86 is like a snowplow on a hatchback.”

    Comment from 18 Oct 2026 in “Libreboot 26.10 "Ominous Olive" released with UEFI, Chromebook support”

    “I know u-boot can do it, but that's 8+ MB.”

    Comment from 3 Feb 2026 in “Floppinux – An Embedded Linux on a Single Floppy, 2025 Edition”

Other bootloaders people recommend

The four most recommended other bootloaders, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

U-Boot compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
systemd-boot140100%7—Approved
ZFSBootMenu13287%8—Approved
U-BootThis page9375%5——
GNU GRUB92427%5——
OpenCore8189%7——
See all 7 bootloaders, ranked

What people said

10 of the 12 comments that mention it, newest first. Each links to the original comment.

“Recent uboot supports efi which then muddies the water more.”

CriticizesComment from 28 Oct 2026 in “Code-execution flaw in UEFI firmware threatens most servers on planet Earth”

“And UBoot is great. But it isn't a standalone replacement for a unified firmware interface”

MixedComment from 28 Oct 2026 in “Code-execution flaw in UEFI firmware threatens most servers on planet Earth”

“Uboot on x86 is like a snowplow on a hatchback.”

CriticizesComment from 18 Oct 2026 in “Libreboot 26.10 "Ominous Olive" released with UEFI, Chromebook support”

“u-boot with display support and graphical menu”

RecommendsComment from 13 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”

“personally I've always fared better with U-Boot”

RecommendsComment from 11 Jun 2026 in “macOS 27 Beta Breaks the Ability to Boot Asahi Linux”

“U-boot and coreboot are free”

RecommendsComment from 12 Mar 2026 in “Never Bet Against x86”

“it sucks at having to plug a damn USB-serial cable in 2026 in order to get a prompt”

MixedComment from 6 Mar 2026 in “Never Bet Against x86”

“I know u-boot can do it, but that's 8+ MB.”

CriticizesComment from 3 Feb 2026 in “Floppinux – An Embedded Linux on a Single Floppy, 2025 Edition”

“It's the most powerful bootloader I've ever worked with, but writing new stuff and debugging it is tedious.”

MixedComment from 13 Nov 2025 in “Denx (a.k.a. U-Boot) Retires”

“I like how scriptable it is.”

RecommendsComment from 13 Nov 2025 in “Denx (a.k.a. U-Boot) Retires”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.