Update changelog for the v25.12 release [skip ci]

[nvauto]

Update change log with CLI:

scripts/generate-changelog --token=<GIT_TOKEN> --releases=25.10,25.12

[greptile-apps]

Greptile Overview

Greptile Summary

Updated changelog with v25.12 release notes and archived older release notes into CHANGELOG_25.02-to-25.08.md.

• Added comprehensive v25.12 release documentation including 36 features, 5 performance improvements, 96 bugs fixed, and 144 PRs
• Updated main CHANGELOG.md generation date from 2025-10-21 to 2025-12-16
• Renamed archived changelog from CHANGELOG_25.02-to-25.06.md to CHANGELOG_25.02-to-25.08.md and added v25.08 release notes
• Maintained proper structure with markdown tables and GitHub issue/PR links throughout

Confidence Score: 5/5

• This PR is safe to merge with minimal risk - it's an automated changelog update for release documentation
• This is a routine changelog update generated by an automated script for the v25.12 release. The changes follow expected patterns: adding new release notes to the main changelog, updating the generation date, and archiving older releases. The PR title includes [skip ci] indicating it's documentation-only with no code changes.
• No files require special attention

Important Files Changed

File Analysis

Filename	Score	Overview
CHANGELOG.md	5/5	Added v25.12 release notes to the top of the changelog, updated generation date from 2025-10-21 to 2025-12-16
docs/archives/CHANGELOG_25.02-to-25.08.md	5/5	Renamed from CHANGELOG_25.02-to-25.06.md and added v25.08 release notes at the top of the archived changelog

Sequence Diagram

sequenceDiagram
    participant Script as generate-changelog script
    participant Git as Git Repository
    participant Main as CHANGELOG.md
    participant Archive as docs/archives/CHANGELOG_25.02-to-25.08.md
    
    Script->>Git: Query releases 25.10, 25.12
    Git-->>Script: Return issues, PRs, commits
    Script->>Main: Update generation date to 2025-12-16
    Script->>Main: Add v25.12 release notes at top
    Script->>Archive: Rename from CHANGELOG_25.02-to-25.06.md
    Script->>Archive: Add v25.08 release notes
    Script->>Git: Commit changes with [skip ci]

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[greptile-apps]

_{2 files reviewed, no comments}

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[NvTimLiu]

This change is made for in-advance review, we'll up-merge latest change logs before the final release build.

@sameerz Can you help review this PR? Thanks!

[pxLi]

We are going to re-generate the changelog to reflect the latest changes, and merge this to unblock RC build. Since this is the doc-only update, we can continually update the content later cc @sameerz @GaryShen2008

[NvTimLiu]

build

[greptile-apps]

_{2 files reviewed, no comments}

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[greptile-apps]

_{2 files reviewed, no comments}

_{Edit Code Review Agent Settings | Greptile}

[pxLi]

build