xterm.js WebGL renderer compatibility issues and fixes
Cluster 45520 · dashboard. Data as of
Nothing open on GitHub. Fix merged in #133937 on 6 Oct 2026. Check it covers your case.
The short answer
- Known?
- Yes. 3 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #133937. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #133937. That is separate from the fix event. - Still open
- Nothing open on GitHub.
These issues and PRs concern problems with the xterm.js WebGL renderer in the dashboard, including unavailability on Linux VPS environments, glyph atlas corruption on Wayland, and garbled Unicode box-drawing characters in Safari. Several fixes address pre-checking WebGL availability and patching renderer behavior for affected environments.
Open issues0
Open PRs0
Fixes on record
-
#133937 fix(dashboard): gate the chat xterm WebGL renderer and fall back to DOM
files:
web/src/lib/chat-channel-id.test.ts,web/src/lib/chat-channel-id.ts,web/src/lib/chat-copy-last.ts,web/src/lib/chat-image-drop.ts,web/src/lib/xterm-webgl-gating.test.ts,web/src/lib/xterm-webgl-gating.ts,web/src/pages/ChatPage.test.tsx,web/src/pages/ChatPage.tsx
1 PR closed without merging
From the close comments: superseded by another PR 1
- #45528 fix(dashboard): pre-check WebGL availability before loading addon · superseded by another PR
Closed issues · 1
- Closed#45520Dashboard /chat: WebGL unavailable on Linux VPS (llvmpipe) — (regl) webgl not supported
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- dashboard
- Merged PRs
- #133937
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 6 Oct 2026