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Anton Bershanskyi . resolved

Hi Victor,
this CL cleans up flag which we shipped in M144. Since we are already in M145 cycle, may we remove the flag already or should we wait a few more milestones?
Thanks!

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Victor Tan (Gerrit)

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Dec 2, 2025, 10:51:20 AM12/2/25

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Anton Bershanskyi . resolved

Hi Victor,
this CL cleans up flag which we shipped in M144. Since we are already in M145 cycle, may we remove the flag already or should we wait a few more milestones?
Thanks!

Victor Tan

let's just wait a few more milestones instead of removing them immediately after shipping. thanks.

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Mike Taylor (Gerrit)

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Dec 2, 2025, 10:57:59 AM12/2/25

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Anton Bershanskyi . resolved

Hi Victor,
this CL cleans up flag which we shipped in M144. Since we are already in M145 cycle, may we remove the flag already or should we wait a few more milestones?
Thanks!

Victor Tan

let's just wait a few more milestones instead of removing them immediately after shipping. thanks.

Mike Taylor

+1 - sometimes bugs can take a few milestones to get discovered/reported.

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Anton Bershanskyi (Gerrit)

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Anton Bershanskyi . resolved

Postponing until later milestone.

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Anton Bershanskyi (Gerrit)

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Jan 24, 2026, 8:35:55 AMJan 24

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Commit message

[Client Hints] Remove flag for reduced Linux platform version

The new proposed privacy-respecting behavior was shipped in M144. Remove
now obsolete flag ReduceUserAgentDataLinuxPlatformVersion.

Bug: 40245146

Change-Id: Ica3af2ab5816db273607a18848eb36804ff7f17a

Change diff

Change information

Files:

M chrome/browser/about_flags.cc
M chrome/browser/flag_descriptions.h
M components/embedder_support/user_agent_utils.cc
M components/embedder_support/user_agent_utils_unittest.cc
M third_party/blink/renderer/platform/runtime_enabled_features.json5

Change size: M

Delta: 5 files changed, 2 insertions(+), 50 deletions(-)

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Anton Bershanskyi (Gerrit)

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Apr 7, 2026, 6:23:13 AMApr 7

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Anton Bershanskyi . resolved

Hi Victor,

Should we proceed with removal of Linux platform hint flag or should we wait for a bit longer?

M144 shipped the new behavior to hide kernel version number on Linux (in your CL 7134391). Since then, M144 and M145 shipped to stable and became obsolete, and M146 shipped to stable. Also, recently M148 branched from `main` and M149 dev cycle began. Is now a suitable time to move ahead with the flag removal?

Sincerely,
Anton.

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Victor Tan (Gerrit)

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Anton Bershanskyi . resolved

Hi Victor,
Should we proceed with removal of Linux platform hint flag or should we wait for a bit longer?
M144 shipped the new behavior to hide kernel version number on Linux (in your CL 7134391). Since then, M144 and M145 shipped to stable and became obsolete, and M146 shipped to stable. Also, recently M148 branched from `main` and M149 dev cycle began. Is now a suitable time to move ahead with the flag removal?
Sincerely,
Anton.

Victor Tan

thanks for the reminder and sorry for the late reply. Currently i'm focusing on other projects.:). I already put this on the queue and have a reminder for this and will review the metrics to see any impacts by the end of April since removing such flag is very urgent.

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Anton Bershanskyi (Gerrit)

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Anton Bershanskyi . resolved

Hi Victor,
Should we proceed with removal of Linux platform hint flag or should we wait for a bit longer?
M144 shipped the new behavior to hide kernel version number on Linux (in your CL 7134391). Since then, M144 and M145 shipped to stable and became obsolete, and M146 shipped to stable. Also, recently M148 branched from `main` and M149 dev cycle began. Is now a suitable time to move ahead with the flag removal?
Sincerely,
Anton.

Victor Tan

thanks for the reminder and sorry for the late reply. Currently i'm focusing on other projects.:). I already put this on the queue and have a reminder for this and will review the metrics to see any impacts by the end of April since removing such flag is very urgent.

Anton Bershanskyi

thanks for the reply. Of course, there is no rush, I just wanted to ensure I'm not leaving behind temporary code/flags which I introduce. Please take your time.

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Anton Bershanskyi (Gerrit)

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Apr 25, 2026, 6:10:13 AM (10 days ago) Apr 25

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Anton Bershanskyi . resolved

I rebased the CL to avoid a merge conflict. No other changes.

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Anton Bershanskyi (Gerrit)

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Anton Bershanskyi . resolved

Hi Victor,

the flag responsible for Linux Platform Version hint has `expiry_milestone` set to `150`. The `main` branch `chrome/VERSION` was recently updated indicating M150 dev cycle start. We should consider either postponing `expiry_milestone` in case it still has any usage or removing the flag entirely. Would you like me to create a one-liner CL updating `expiry_milestone` to, say 153?

Thanks,
Anton.

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Victor Tan (Gerrit)

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Anton Bershanskyi . resolved

Hi Victor,
the flag responsible for Linux Platform Version hint has `expiry_milestone` set to `150`. The `main` branch `chrome/VERSION` was recently updated indicating M150 dev cycle start. We should consider either postponing `expiry_milestone` in case it still has any usage or removing the flag entirely. Would you like me to create a one-liner CL updating `expiry_milestone` to, say 153?
Thanks,
Anton.

Victor Tan

sorry for the late reply, feel free to do so, anyway LGTM.

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Victor Tan (Gerrit)

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Anton Bershanskyi . resolved

Hi Mike, this CL removes one flag which has been flipped since M144, would you be interested in reviewing this? Thanks!

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Mike Taylor . resolved

Great, thank you!

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