ui: fix mobile chat form overflow and bust stale bundle cache#24158
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On mobile browsers the root container uses h-screen (100vh), which measures the large viewport with the browser UI retracted. With the Chrome toolbar visible the chat form sinks below the visual viewport by exactly the toolbar height. Switch to h-dvh so the layout always tracks the visible height. In standalone PWA and on desktop dvh equals vh, so nothing changes there. Checking such CSS details on a real phone is painful: bundle.js and bundle.css keep fixed names, so a normal reload serves stale cached bundles. The build plugin now appends the Vite hash as a query string (bundle.js?<hash>), so every new build is fetched fresh after a simple reload.
Contributor
Author
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cc @allozaur Can you test it with your llama.app packaging and your smartphone? This should not change anything for you while repairing Android. |
Contributor
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works nicely on ios too 
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Contributor
Author
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Thanks for the iPhone test! |
Contributor
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Just a side note that we will have mobile UI improvements implemented in nearest future, but let's merge the fix to address this particular issue. |
allozaur
approved these changes
Jun 5, 2026
ggerganov
approved these changes
Jun 9, 2026
Merged
Jcfunk
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to Jcfunk/llama.cpp
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Jun 11, 2026
* upstream/HEAD: (329 commits) vendor : update LibreSSL to 4.3.2 (ggml-org#24397) Remove padding and multiple D2D copies for MTP (ggml-org#24086) chat: fix LFM2/LFM2.5 ignoring json_schema (ggml-org#24377) CUDA: Fix ssm_scan_f32 data-races (ggml-org#24360) ci : bump komac version (ggml-org#24396) speculative : fix "ngram-map-k4v" name in logging (ggml-org#24253) webui: implement pinned conversations support (ggml-org#21387) graph: Fix granite speech model inference by applying embedding scale when deepstack is not used (ggml-org#24357) ci : fix windows release (ggml-org#24369) ui: add opt-in run_javascript frontend tool (ggml-org#24244) mtmd: build_vit batching (ggml-org#24352) vulkan: reduce iq1 shared memory usage for mul_mm (ggml-org#24287) vulkan: add `v_dot2_f32_f16` support in matrix-matrix multiplication and Flash Attention (ggml-org#24123) ui: Fix excessive style recalculation on hover (ggml-org#24243) mtmd: refactor video subproc handling (ggml-org#24316) server: log prompts to directory (ggml-org#22031) ui: fix mobile chat form overflow and bust stale bundle cache (ggml-org#24158) ggml : add GGML_OP_COL2IM_1D (ggml-org#24206) server : do not clear slots without unified KV cache (ggml-org#24190) models : fix plamo2 attention_key/value_length regression (ggml-org#24317) ...
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Overview
This PR fixes a mobile nitpick and a developer pain point in one go
Additional information
Chat form overflowing below the visual viewport on mobile browsers: the root container moves from h-screen to h-dvh so the layout tracks the actual visible height, with identical behavior in standalone PWA and on desktop.
Stale bundle cache busting: the build plugin appends the Vite hash as a query string to bundle.js and bundle.css in index.html, so a simple reload always fetches the latest build. Essential when iterating on UI fixes and verifying them on a real device.
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