Backdrop scene never animates

“A mod backdrop drawn with Svg renders correctly in the Code tab but is completely static.”

Is this your bug? What gets counted gets fixed. Pile on.

Paste this into your agent. It files your report, with your error and version.

I hit this bug: rapsheet.dev/sheets/claude-code/issues/28764/file
Follow it to file my report. Show me the text before you send.

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Mod theme backdrop Svg scenes never animate in Code tab. Backdrop scene renders as a still picture; CSS keyframes and SMIL do not play, though the same markup animates in an AbovePrompt band.

Is this your bug?

File my report

Where: Desktop Code tab
Versions: 2.1.325. Still reported on the newest version, 2.1.325.
Platforms: Linux, macOS
How bad: Cosmetic: looks wrong, still works.

Not quite your bug?

State change rebuilds render sites8 people

Original reports2, newest first

Nov 14, 2026Desktop Linux: mod theme backdrops render but never animate (CSS and SMIL both static)#109903
Nov 13, 2026Desktop Code tab: a mod's theme backdrop never animates (Svg scene drawn as a still picture; Client and APNG image grounds draw nothing)#109766

Backdrop scene never animates

Is this your bug? What gets counted gets fixed. Pile on.

Is this your bug?

Not quite your bug?

Original reports2, newest first

Do you work on Claude Code?