diff --git a/.github/workflows/erlang.yml b/.github/workflows/erlang.yml
index 99cdf3a..f1f40b9 100644
--- a/.github/workflows/erlang.yml
+++ b/.github/workflows/erlang.yml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        otp: ['25']
+        otp: ['26']
         rebar: ['3.24']
 
     steps:
diff --git a/rebar.config b/rebar.config
index 65e75ef..7f77978 100644
--- a/rebar.config
+++ b/rebar.config
@@ -18,7 +18,8 @@
   {rebar3_sheldon, "~> 0.4.3"},
   {rebar3_ex_doc, "~> 0.2.24"}]}.
 
-{dialyzer, [{warnings, [no_return, unmatched_returns, error_handling, underspecs]}]}.
+{dialyzer,
+ [{warnings, [no_unknown, no_return, unmatched_returns, error_handling, underspecs]}]}.
 
 {edoc_opts, [{todo, true}, {overview, "priv/overview.edoc"}]}.
 
diff --git a/src/formatters/default_formatter.erl b/src/formatters/default_formatter.erl
index ba37528..c98db7e 100644
--- a/src/formatters/default_formatter.erl
+++ b/src/formatters/default_formatter.erl
@@ -606,6 +606,11 @@ lay_no_comments(Node, Ctxt) ->
                           prettypr:beside(
                               prettypr:text("<= "), D2)],
                          Ctxt1#ctxt.break_indent);
+        map_generator ->
+            Ctxt1 = reset_prec(Ctxt),
+            D1 = lay(erl_syntax:map_generator_pattern(Node), Ctxt1),
+            D2 = lay(erl_syntax:map_generator_body(Node), Ctxt1),
+            prettypr:par([D1, prettypr:beside(prettypr:text("<- "), D2)], Ctxt1#ctxt.break_indent);
         implicit_fun ->
             D = lay(erl_syntax:implicit_fun_name(Node), reset_prec(Ctxt)),
             prettypr:beside(lay_text_float("fun "), D);
@@ -621,6 +626,12 @@ lay_no_comments(Node, Ctxt) ->
             D2 = lay_items(erl_syntax:binary_comp_body(Node), Ctxt1, fun lay/2),
             D3 = prettypr:beside(lay_text_float("|| "), prettypr:beside(D2, lay_text_float(" >>"))),
             prettypr:beside(lay_text_float("<< "), prettypr:par([D1, D3]));
+        map_comp ->
+            Ctxt1 = reset_prec(Ctxt),
+            D1 = lay(erl_syntax:map_comp_template(Node), Ctxt1),
+            D2 = lay_items(erl_syntax:map_comp_body(Node), Ctxt1, fun lay/2),
+            D3 = prettypr:beside(lay_text_float("|| "), prettypr:beside(D2, lay_text_float("}"))),
+            prettypr:beside(lay_text_float("#{"),prettypr:par([D1, D3]));
         macro ->
             %% This is formatted similar to a normal function call or a variable
             N = macro_name(Node, variable),
diff --git a/test_app/after/src/brackets.erl b/test_app/after/src/brackets.erl
index 7c9a386..895c33d 100644
--- a/test_app/after/src/brackets.erl
+++ b/test_app/after/src/brackets.erl
@@ -1,6 +1,6 @@
 -module(brackets).
 
--format #{inline_items => all, paper => 50}.
+-format #{paper => 50, inline_items => all}.
 
 -compile(export_all).
 
diff --git a/test_app/after/src/inline_items/inline_items_when_over.erl b/test_app/after/src/inline_items/inline_items_when_over.erl
index c77e270..ba744a1 100644
--- a/test_app/after/src/inline_items/inline_items_when_over.erl
+++ b/test_app/after/src/inline_items/inline_items_when_over.erl
@@ -3,7 +3,7 @@
 %%      per line if they're larger than 5 elements.
 -module(inline_items_when_over).
 
--format #{inline_items => {when_over, 5}, paper => 80}.
+-format #{paper => 80, inline_items => {when_over, 5}}.
 
 -export([short_tuple/0, short_list/0, short_fun/0]).
 -export([short_bin/0, short_guard/1, short_lc/0]).
diff --git a/test_app/after/src/inline_items/inline_items_when_under.erl b/test_app/after/src/inline_items/inline_items_when_under.erl
index 55bc77c..b26e42c 100644
--- a/test_app/after/src/inline_items/inline_items_when_under.erl
+++ b/test_app/after/src/inline_items/inline_items_when_under.erl
@@ -1,6 +1,6 @@
 -module(inline_items_when_under).
 
--format #{inline_items => {when_under, 5}, paper => 80}.
+-format #{paper => 80, inline_items => {when_under, 5}}.
 
 -export([short_tuple/0, short_list/0, short_fun/0]).
 -export([short_bin/0, short_guard/1, short_lc/0]).
diff --git a/test_app/after/src/inline_items/inline_no_items.erl b/test_app/after/src/inline_items/inline_no_items.erl
index 0ab7b30..86db03c 100644
--- a/test_app/after/src/inline_items/inline_no_items.erl
+++ b/test_app/after/src/inline_items/inline_no_items.erl
@@ -3,7 +3,7 @@
 %%      per line if they're large.
 -module(inline_no_items).
 
--format #{inline_items => none, paper => 80}.
+-format #{paper => 80, inline_items => none}.
 
 -export([short_tuple/0, short_list/0, short_fun/0]).
 -export([short_bin/0, short_guard/1, short_lc/0]).
diff --git a/test_app/after/src/paper_and_ribbon/indent_18.erl b/test_app/after/src/paper_and_ribbon/indent_18.erl
index c342542..dc7f951 100644
--- a/test_app/after/src/paper_and_ribbon/indent_18.erl
+++ b/test_app/after/src/paper_and_ribbon/indent_18.erl
@@ -1,9 +1,9 @@
 -module(indent_18).
 
--format #{break_indent => 1,
-          inline_clause_bodies => true,
+-format #{sub_indent => 8,
+          break_indent => 1,
           paper => 50,
-          sub_indent => 8}.
+          inline_clause_bodies => true}.
 
 -record(record,
         {fields =
diff --git a/test_app/after/src/paper_and_ribbon/indent_81.erl b/test_app/after/src/paper_and_ribbon/indent_81.erl
index 4b00c9d..b4324a8 100644
--- a/test_app/after/src/paper_and_ribbon/indent_81.erl
+++ b/test_app/after/src/paper_and_ribbon/indent_81.erl
@@ -1,8 +1,8 @@
 -module(indent_81).
 
--format #{break_indent => 8,
-          paper => 50,
-          sub_indent => 1}.
+-format #{sub_indent => 1,
+          break_indent => 8,
+          paper => 50}.
 -format #{inline_clause_bodies => true}.
 
 -record(record,