1 Release 8.1.2 Mar-15-2026
═══════════════════════════

  1. matlab-ts-mode: improved performance of electric indent.

     Previously we were using (treesit-node-at (point)) to obtain the
     language elements to indent. Now we use treesit-capture-query which
     is faster.

     This is the first step in speeding up electric indent. Future
     possible optimizations include using symbols from the
     treesit-capture for language element identification rather than
     treesit-node-type, simplification of matrix alignment and the other
     alignments, additional removal of treesit-node-at, etc.

  2. matlab-ts-mode: fixed trailing comment alignment problems.

     Now we only align consecutive statements when in same scope. For
     example, first comment below is in a different scope so not aligned
     with the last two comments:

     ┌────
     │ fooBarGooToo = [something, ...
     │                 [otherThing(wIndex) : theEndIndex(wIndex) - 1, ...
     │                  otherThing(wIndex) + 1 : theEndIndex(wIndex); ...
     │                  otherThing(wIndex) + 1 : theEndIndex(wIndex), ...
     │                  otherThing(wIndex) : theEndIndex(wIndex) - 1]]; %#ok<AGROW>
     │ P0 = [P0, foo.blah{wIndex}.foobarGooOrig(:, 1 : end - 1)]; %#ok<AGROW>
     │ P1 = [P1, foo.blah{wIndex}.foobarGooOrig(:, 2 : end)];     %#ok<AGROW>
     └────

  3. matlab-ts-mode: when using keywords (end, arguments, etc.) as
     variables or functions, they now indent correctly. Note, MATLAB
     allows end.m, arguments = 10, etc.

  4. matlab-ts-mode: An ellipsis at start of file no longer causes a
     hang

  5. matlab-shell: add matlab-shell-before-start-hook

  6. matlab-shell: hyperlink syntax error


2 Release 8.1.1 Feb-22-2026
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  1. Enable matlab-ts-mode with Emacs 30.2 which is using tree-sitter
     ABI 15 (or 14). Note, Emacs 30.1 is using tree-sitter ABI 14 which
     continues to work.

  2. Update installation instructions for the MATLAB Language Server

  3. Fix mlint.el issue ("Do not permit multiple groups with the same
     name")


3 Release 8.1.0 Feb-16-2026
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  1. The behavior of TAB and RET in matlab-ts-mode to electric
     indent/code-format adjacent lines of code.  There is no change in
     the indent/code-format rules. The goal of this change is to improve
     editing interactions with the MATLAB indent/code-format engine.


  • TAB behavior example. Given

    ┌────
    │ a = 1;
    │ foo = 2;
    │ foobar = 3;
    └────

    A TAB on any these code lines results in:

    ┌────
    │ a      = 1;
    │ foo    = 2;
    │ foobar = 3;
    └────

  • RET behavior example. Given

    ┌────
    │ v1=1;
    │ var2= [1,1];
    └────

    Typing the 4 characters, `x=3;', on the 3rd line (without typing
    RET) gives us:

    ┌────
    │ v1=1;
    │ var2= [1,1];
    │ x=3;
    └────

    When we type the RET, we get:

    ┌────
    │ v1   = 1;
    │ var2 = [1, 1];
    │ x    = 3;
    │ 
    └────

    Now, if we type a RET at the end of the 2nd line, we get the
    following. Notice that the alignment of x assignment has changed.

    ┌────
    │ v1   = 1;
    │ var2 = [1, 1];
    │ 
    │ x = 3;
    │ 
    └────

  1. An "electric ends" edge case issues in matlab-ts-mode has been
     fixed. When typing a statement that is terminated by an end,
     e.g. "if", "function", "classdef", etc. the "end" keyword is
     automatically added for you. For example, given:

     ┌────
     │ if a
     └────

     typing RET at the end of the "if a" line results in:

     ┌────
     │ if a
     │ 
     │ end
     └────

     where the point is left on the 2nd line, indented to 4 spaces.

     There were some edge cases where an end-statement was being
     incorrectly inserted. This primarily occurred with continued
     (ellipsis) conditions following the "if" and similar
     statements. For example, given the following, typing RET at the end
     of the first line will not add an end-statement
  …  …
