mathjax/MathJax

View on GitHub

Beautiful and accessible math in all browsers

Stars: 10.9k
Forks: 1.2k
Open beginner issues: 0
Indexed issues: 181

Dominant language: JavaScript
License: Apache-2.0
Last GitHub push: Jul 3, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

181 open issues indexed

Self-hosting instructions don't cover font extensions Open

Needs Documentation v4

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

mathjax/MathJax#3610 · 1 comment · Opened Sep 15, 2026
Context Menu keyboard and focus improvements Open

Accepted Ready for Review

Difficulty 3/5 1-2 days Newbie friendliness 55/100

mathjax/MathJax#3609 · 1 comment · Opened Sep 15, 2026
Add luciole font to MathJax Open

Feature Request v4

Difficulty 3/5 1-2 days Newbie friendliness 52/100

mathjax/MathJax#3606 · 1 comment · Opened Sep 2, 2026
Radical is not stretched to its radicand when \dfrac restores display style inside a scaled context Open

Cannot Reproduce v4

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mathjax/MathJax#3605 · 1 comment · Opened Aug 27, 2026
Would it be possible to have native/WebAssembly compilation with scriptc? Open

Feature Request

Difficulty 5/5 Over a week Newbie friendliness 30/100

mathjax/MathJax#3604 · 1 comment · Opened Aug 20, 2026
Support `\providecommand` in TeX input Open

Code Example Feature Request Ready for Review v4

mathjax/MathJax#3603 · 2 comments · 1 assignee · Opened Aug 19, 2026
`\blacksquare` (and other AMS geometric symbols) with the Gyre Pagella CHTML font they get inline `font-style: italic` and are slanted by the browser Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

mathjax/MathJax#3601 · Opened Aug 18, 2026
Support for `bb` style blackboard fonts Open

Feature Request v4

Difficulty 5/5 Over a week Newbie friendliness 45/100

mathjax/MathJax#3599 · 1 comment · Opened Aug 11, 2026
Context menu dialog "Show Math As > TeX Commands" misaligned vertically Open

Accepted

mathjax/MathJax#3598 · 2 comments · 1 assignee · Opened Aug 7, 2026
[v4.1.3] Synchronous dynamic font loading causes infinite recursion with multiple SVG output jax instances Open

Accepted Code Example Merged v4

Difficulty 4/5 3-5 days Newbie friendliness 68/100

mathjax/MathJax#3597 · 1 comment · Opened Aug 3, 2026
mmultiscripts spacing between children is too narrow Open

Feature Request v4

Difficulty 3/5 1-2 days Newbie friendliness 52/100

mathjax/MathJax#3596 · 1 comment · Opened Jul 28, 2026
Displaystyle="true" does not apply to all elements within an mrow Open

Code Example Expected Behavior v4

Difficulty 3/5 1-2 days Newbie friendliness 56/100

mathjax/MathJax#3595 · 2 comments · Opened Jul 28, 2026
Directionality of text is not respected in MathML output Open

Feature Request v4

Difficulty 4/5 3-5 days Newbie friendliness 52/100

mathjax/MathJax#3594 · 1 comment · Opened Jul 28, 2026
Math input error when mixing MathML and a HTML hyperlink Open

Code Example Expected Behavior v4

Difficulty 3/5 1-2 days Newbie friendliness 52/100

mathjax/MathJax#3593 · 2 comments · Opened Jul 28, 2026
\phantom seems to be under-calculating width Open

Accepted SRE v4

Difficulty 3/5 1-2 days Newbie friendliness 52/100

mathjax/MathJax#3592 · 3 comments · Opened Jul 15, 2026
Memory leak when linking to MathJax directly Open

Accepted Investigate v4

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mathjax/MathJax#3591 · 2 comments · Opened Jul 13, 2026
Support for explicit direction commands inside MathJax to allow nice embedding of RTL words/phases using \text{}. Open

Code Example Feature Request

Difficulty 5/5 Over a week Newbie friendliness 45/100

mathjax/MathJax#3590 · 1 comment · Opened Jul 9, 2026
Issues with MathJax 4 in RTL settings: SVG had serious ordering issue, and CHTML is not rendering in an overall LTR manner as expected Open

Accepted Code Example Merged v3 v4

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mathjax/MathJax#3589 · 3 comments · Opened Jul 9, 2026
LiteParser fails to parse opening tags when attributes are separated by CRLF, tab, or form-feed Open

Accepted Merged v4

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

mathjax/MathJax#3588 · Opened Jul 7, 2026
[4.1.3] [SVG] extra space after `$\implies$` Open

Accepted Merged v4

Difficulty 4/5 3-5 days Newbie friendliness 42/100

mathjax/MathJax#3587 · 4 comments · Opened Jul 6, 2026
Can't install via npm for client (browser) applications (via vite) Open

Code Example Expected Behavior v4

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mathjax/MathJax#3584 · 12 comments · Opened Jun 28, 2026
process MathML nested inside mtext Open

Code Example Feature Request v4

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mathjax/MathJax#3583 · 1 comment · Opened Jun 28, 2026
brackets from macros get matched in comments Open

Accepted Ready for Review

Difficulty 3/5 1-2 days Newbie friendliness 58/100

mathjax/MathJax#3577 · 1 comment · Opened Jun 15, 2026
mathvariant=Monospace produces bold letters Open

Expected Behavior v4

Difficulty 3/5 1-2 days Newbie friendliness 55/100

mathjax/MathJax#3567 · 4 comments · Opened May 29, 2026
[CHTML/Fira] Extra spacing after \underbrace group and subsequent characters Open

Expected Behavior

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mathjax/MathJax#3564 · 1 comment · Opened May 22, 2026
Multi-letter alignment not based on baseline in Safari Open

Browser Bug Code Example Duplicate

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mathjax/MathJax#3563 · 5 comments · Opened May 21, 2026
[A] omitting open bracket close bracket in speech (v4) Open

Expected Behavior SRE v4

Difficulty 3/5 1-2 days Newbie friendliness 68/100

mathjax/MathJax#3561 · 1 comment · Opened May 7, 2026
SRE generates "times" for both \cdot and \times Open

Code Example Expected Behavior SRE v4

Difficulty 5/5 Over a week Newbie friendliness 38/100

mathjax/MathJax#3559 · 4 comments · Opened May 6, 2026
Use of Unicode braille in aria-braillelabel vs (draft) ARIA 1.3 guidance Open

Question v4

Difficulty 4/5 3-5 days Newbie friendliness 32/100

mathjax/MathJax#3554 · 3 comments · Opened Apr 21, 2026
STIX font alignment differences in SVG text (√ rendering) between MathJax 2.7.4 and 4.1.0 Open

Expected Behavior Upstream

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mathjax/MathJax#3553 · 4 comments · Opened Apr 20, 2026
Spacing after `bmatrix`/fenced expressions before `\text` is wider in version 4 than version 3 Open

Expected Behavior v4

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mathjax/MathJax#3544 · 2 comments · Opened Mar 20, 2026
style transform origin incorrect in svg mode Open

Code Example Expected Behavior

Difficulty 3/5 1-2 days Newbie friendliness 42/100

mathjax/MathJax#3542 · 2 comments · Opened Mar 12, 2026
fitch.sty module (Küwer's fitch.sty, improved by Kocurek). Open

Duplicate Feature Request

Difficulty 5/5 Over a week Newbie friendliness 35/100

mathjax/MathJax#3541 · 1 comment · Opened Mar 12, 2026
Add or document rendering hints for MathML Core input Open

Code Example Expected Behavior

Difficulty 4/5 3-5 days Newbie friendliness 42/100

mathjax/MathJax#3540 · 3 comments · Opened Mar 12, 2026
Add XCharter font to MathJax Open

Feature Request

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mathjax/MathJax#3538 · 1 comment · Opened Mar 9, 2026
[v4.1.1] Font commands not respected when using Unicode characters Open

Accepted Code Example v4

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mathjax/MathJax#3536 · 11 comments · Opened Mar 3, 2026
[v4.1.0] Speech output misreads adjacent identifiers (e.g., "F C right arrow up tack F D right arrow" instead of " Ray FC up tack ray FD" ) Open

Expected Behavior v4

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mathjax/MathJax#3535 · 1 comment · Opened Mar 2, 2026
[v4.1.0] Spacing Difference Around "=" and "-" After Upgrading from MathJax 2.7.4 to 4.1.0 Open

Code Example Expected Behavior v4

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mathjax/MathJax#3533 · 6 comments · Opened Feb 24, 2026
"bold" modifier read simultaneously with letter Open

Accepted SRE v4

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mathjax/MathJax#3525 · 6 comments · Opened Feb 16, 2026
bussproofs: \doubeLine missing Open

Feature Request

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mathjax/MathJax#3523 · 1 comment · Opened Feb 15, 2026
MathJax 4: Vertically misaligned prime symbol `'` inside `\boldsymbol` Open

Accepted Code Example v4

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mathjax/MathJax#3518 · 4 comments · Opened Feb 5, 2026
Support `\diff` from `esdiff` latex package Open

Code Example Feature Request Good first contribution

Difficulty 3/5 1-2 days Newbie friendliness 42/100

mathjax/MathJax#3513 · 1 comment · Opened Feb 3, 2026
\Vvert / triple norm Open

Code Example Feature Request v4

mathjax/MathJax#3509 · 4 comments · 1 assignee · Opened Jan 25, 2026
Make MathML selectable for great interop with apps that consume MathML in HTML such as Word and PowerPoint Open

Feature Request

mathjax/MathJax#3508 · 9 comments · 1 assignee · Opened Jan 24, 2026
mml3: XSTL support after December 26 Open

Accepted v3 v4

mathjax/MathJax#3507 · 1 comment · 1 assignee · Opened Jan 22, 2026
Could outputs use document.adoptedStyleSheets? Open

Code Example Feature Request v4

Difficulty 5/5 Over a week Newbie friendliness 35/100

mathjax/MathJax#3499 · 4 comments · Opened Jan 16, 2026
Overflow bug with quotation marks inside \text Open

Accepted v3 v4

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mathjax/MathJax#3494 · 6 comments · Opened Jan 8, 2026
mhchem arrows produce PUA characters in AssistiveMML, causing broken speech text (MathJax 4+) Open

Accepted Ready for Review SRE v4

mathjax/MathJax#3486 · 11 comments · 1 assignee · Opened Dec 24, 2025
Support a elements as alias for mrow elements Open

Code Example Feature Request v4

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mathjax/MathJax#3484 · 5 comments · Opened Dec 22, 2025
Support for \mleft and \mright Open

Code Example Feature Request

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mathjax/MathJax#3482 · 2 comments · 1 reaction · Opened Dec 21, 2025

mathjax/MathJax

Get new issues in your inbox